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Merge branch 'develop' of https://github.com/paboyle/Grid into develop

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This commit is contained in:
Peter Boyle 2020-04-23 04:35:42 -04:00
commit c2c3cad20d
307 changed files with 4394 additions and 31968 deletions
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5
Grid/algorithms/Algorithms.h
View File

@ -35,17 +35,22 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
#include <Grid/algorithms/approx/Zolotarev.h>
#include <Grid/algorithms/approx/Chebyshev.h>
#include <Grid/algorithms/approx/JacobiPolynomial.h>
#include <Grid/algorithms/approx/Remez.h>
#include <Grid/algorithms/approx/MultiShiftFunction.h>
#include <Grid/algorithms/approx/Forecast.h>
#include <Grid/algorithms/approx/RemezGeneral.h>
#include <Grid/algorithms/approx/ZMobius.h>
#include <Grid/algorithms/iterative/Deflation.h>
#include <Grid/algorithms/iterative/ConjugateGradient.h>
#include <Grid/algorithms/iterative/BiCGSTAB.h>
#include <Grid/algorithms/iterative/ConjugateResidual.h>
#include <Grid/algorithms/iterative/NormalEquations.h>
#include <Grid/algorithms/iterative/SchurRedBlack.h>
#include <Grid/algorithms/iterative/ConjugateGradientMultiShift.h>
#include <Grid/algorithms/iterative/ConjugateGradientMixedPrec.h>
#include <Grid/algorithms/iterative/BiCGSTABMixedPrec.h>
#include <Grid/algorithms/iterative/BlockConjugateGradient.h>
#include <Grid/algorithms/iterative/ConjugateGradientReliableUpdate.h>
#include <Grid/algorithms/iterative/MinimalResidual.h>

761
Grid/algorithms/CoarsenedMatrix.h
View File

@ -1,3 +1,14 @@
// blockZaxpy in bockPromote - 3s, 5%
// noncoalesced linalg in Preconditionoer ~ 3s 5%
// Lancos tuning or replace 10-20s ~ 25%, open ended
// setup tuning 5s ~ 8%
// -- e.g. ordermin, orderstep tunables.
// MdagM path without norm in LinOp code. few seconds
// Mdir calc blocking kernels
// Fuse kernels in blockMaskedInnerProduct
// preallocate Vectors in Cayley 5D ~ few percent few seconds
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
@ -34,8 +45,29 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
NAMESPACE_BEGIN(Grid);
template<class vobj,class CComplex>
inline void blockMaskedInnerProduct(Lattice<CComplex> &CoarseInner,
const Lattice<decltype(innerProduct(vobj(),vobj()))> &FineMask,
const Lattice<vobj> &fineX,
const Lattice<vobj> &fineY)
{
typedef decltype(innerProduct(vobj(),vobj())) dotp;
GridBase *coarse(CoarseInner.Grid());
GridBase *fine (fineX.Grid());
Lattice<dotp> fine_inner(fine); fine_inner.Checkerboard() = fineX.Checkerboard();
Lattice<dotp> fine_inner_msk(fine);
// Multiply could be fused with innerProduct
// Single block sum kernel could do both masks.
fine_inner = localInnerProduct(fineX,fineY);
mult(fine_inner_msk, fine_inner,FineMask);
blockSum(CoarseInner,fine_inner_msk);
}
class Geometry {
// int dimension;
public:
int npoint;
std::vector<int> directions ;
@ -52,10 +84,10 @@ public:
directions.resize(npoint);
displacements.resize(npoint);
for(int d=0;d<_d;d++){
directions[2*d ] = d+base;
directions[2*d+1] = d+base;
displacements[2*d ] = +1;
displacements[2*d+1] = -1;
directions[d ] = d+base;
directions[d+_d] = d+base;
displacements[d ] = +1;
displacements[d+_d]= -1;
}
directions [2*_d]=0;
displacements[2*_d]=0;
@ -63,7 +95,7 @@ public:
//// report back
std::cout<<GridLogMessage<<"directions :";
for(int d=0;d<npoint;d++) std::cout<< directions[d]<< " ";
std::cout <<std::endl;
std::cout<<std::endl;
std::cout<<GridLogMessage<<"displacements :";
for(int d=0;d<npoint;d++) std::cout<< displacements[d]<< " ";
std::cout<<std::endl;
@ -115,10 +147,10 @@ public:
void Orthogonalise(void){
CoarseScalar InnerProd(CoarseGrid);
std::cout << GridLogMessage <<" Gramm-Schmidt pass 1"<<std::endl;
blockOrthogonalise(InnerProd,subspace);
std::cout << GridLogMessage <<" Gramm-Schmidt pass 2"<<std::endl;
std::cout << GridLogMessage <<" Block Gramm-Schmidt pass 1"<<std::endl;
blockOrthogonalise(InnerProd,subspace);
// std::cout << GridLogMessage <<" Block Gramm-Schmidt pass 2"<<std::endl; // Really have to do twice? Yuck
// blockOrthogonalise(InnerProd,subspace);
// std::cout << GridLogMessage <<" Gramm-Schmidt checking orthogonality"<<std::endl;
// CheckOrthogonal();
}
@ -128,7 +160,7 @@ public:
for(int i=0;i<nbasis;i++){
blockProject(iProj,subspace[i],subspace);
eProj=Zero();
thread_for(ss, CoarseGrid->oSites(),{
accelerator_for(ss, CoarseGrid->oSites(),1,{
eProj[ss](i)=CComplex(1.0);
});
eProj=eProj - iProj;
@ -146,61 +178,9 @@ public:
void CreateSubspaceRandom(GridParallelRNG &RNG){
for(int i=0;i<nbasis;i++){
random(RNG,subspace[i]);
std::cout<<GridLogMessage<<" norm subspace["<<i<<"] "<<norm2(subspace[i])<<std::endl;
}
Orthogonalise();
}
/*
virtual void CreateSubspaceLanczos(GridParallelRNG &RNG,LinearOperatorBase<FineField> &hermop,int nn=nbasis)
{
// Run a Lanczos with sloppy convergence
const int Nstop = nn;
const int Nk = nn+20;
const int Np = nn+20;
const int Nm = Nk+Np;
const int MaxIt= 10000;
RealD resid = 1.0e-3;
Chebyshev<FineField> Cheb(0.5,64.0,21);
ImplicitlyRestartedLanczos<FineField> IRL(hermop,Cheb,Nstop,Nk,Nm,resid,MaxIt);
// IRL.lock = 1;
FineField noise(FineGrid); gaussian(RNG,noise);
FineField tmp(FineGrid);
std::vector<RealD> eval(Nm);
std::vector<FineField> evec(Nm,FineGrid);
int Nconv;
IRL.calc(eval,evec,
noise,
Nconv);
// pull back nn vectors
for(int b=0;b<nn;b++){
subspace[b] = evec[b];
std::cout << GridLogMessage <<"subspace["<<b<<"] = "<<norm2(subspace[b])<<std::endl;
hermop.Op(subspace[b],tmp);
std::cout<<GridLogMessage << "filtered["<<b<<"] <f|MdagM|f> "<<norm2(tmp)<<std::endl;
noise = tmp - sqrt(eval[b])*subspace[b] ;
std::cout<<GridLogMessage << " lambda_"<<b<<" = "<< eval[b] <<" ; [ M - Lambda ]_"<<b<<" vec_"<<b<<" = " <<norm2(noise)<<std::endl;
noise = tmp + eval[b]*subspace[b] ;
std::cout<<GridLogMessage << " lambda_"<<b<<" = "<< eval[b] <<" ; [ M - Lambda ]_"<<b<<" vec_"<<b<<" = " <<norm2(noise)<<std::endl;
}
Orthogonalise();
for(int b=0;b<nn;b++){
std::cout << GridLogMessage <<"subspace["<<b<<"] = "<<norm2(subspace[b])<<std::endl;
}
}
*/
virtual void CreateSubspace(GridParallelRNG &RNG,LinearOperatorBase<FineField> &hermop,int nn=nbasis) {
RealD scale;
@ -232,44 +212,305 @@ public:
subspace[b] = noise;
}
Orthogonalise();
}
virtual void CreateSubspaceChebyshev(GridParallelRNG &RNG,LinearOperatorBase<FineField> &hermop,int nn=nbasis) {
////////////////////////////////////////////////////////////////////////////////////////////////
// World of possibilities here. But have tried quite a lot of experiments (250+ jobs run on Summit)
// and this is the best I found
////////////////////////////////////////////////////////////////////////////////////////////////
#if 1
virtual void CreateSubspaceChebyshev(GridParallelRNG &RNG,LinearOperatorBase<FineField> &hermop,
int nn,
double hi,
double lo,
int orderfilter,
int ordermin,
int orderstep,
double filterlo
) {
RealD scale;
Chebyshev<FineField> Cheb(0.1,64.0,900);
FineField noise(FineGrid);
FineField Mn(FineGrid);
FineField tmp(FineGrid);
for(int b=0;b<nn;b++){
// New normalised noise
gaussian(RNG,noise);
scale = std::pow(norm2(noise),-0.5);
noise=noise*scale;
hermop.Op(noise,Mn); std::cout<<GridLogMessage << "noise ["<<b<<"] <n|MdagM|n> "<<norm2(Mn)<<std::endl;
// Initial matrix element
hermop.Op(noise,Mn); std::cout<<GridLogMessage << "noise <n|MdagM|n> "<<norm2(Mn)<<std::endl;
int b =0;
{
// Filter
Chebyshev<FineField> Cheb(lo,hi,orderfilter);
Cheb(hermop,noise,Mn);
scale = std::pow(norm2(Mn),-0.5);
Mn=Mn*scale;
// normalise
scale = std::pow(norm2(Mn),-0.5); Mn=Mn*scale;
subspace[b] = Mn;
hermop.Op(Mn,noise); std::cout<<GridLogMessage << "filtered["<<b<<"] <f|MdagM|f> "<<norm2(noise)<<std::endl;
hermop.Op(Mn,tmp);
std::cout<<GridLogMessage << "filt ["<<b<<"] <n|MdagM|n> "<<norm2(tmp)<<std::endl;
b++;
}
Orthogonalise();
// Generate a full sequence of Chebyshevs
{
lo=filterlo;
noise=Mn;
FineField T0(FineGrid); T0 = noise;
FineField T1(FineGrid);
FineField T2(FineGrid);
FineField y(FineGrid);
FineField *Tnm = &T0;
FineField *Tn = &T1;
FineField *Tnp = &T2;
// Tn=T1 = (xscale M + mscale)in
RealD xscale = 2.0/(hi-lo);
RealD mscale = -(hi+lo)/(hi-lo);
hermop.HermOp(T0,y);
T1=y*xscale+noise*mscale;
for(int n=2;n<=ordermin+orderstep*(nn-2);n++){
hermop.HermOp(*Tn,y);
auto y_v = y.View();
auto Tn_v = Tn->View();
auto Tnp_v = Tnp->View();
auto Tnm_v = Tnm->View();
const int Nsimd = CComplex::Nsimd();
accelerator_forNB(ss, FineGrid->oSites(), Nsimd, {
coalescedWrite(y_v[ss],xscale*y_v(ss)+mscale*Tn_v(ss));
coalescedWrite(Tnp_v[ss],2.0*y_v(ss)-Tnm_v(ss));
});
// Possible more fine grained control is needed than a linear sweep,
// but huge productivity gain if this is simple algorithm and not a tunable
int m =1;
if ( n>=ordermin ) m=n-ordermin;
if ( (m%orderstep)==0 ) {
Mn=*Tnp;
scale = std::pow(norm2(Mn),-0.5); Mn=Mn*scale;
subspace[b] = Mn;
hermop.Op(Mn,tmp);
std::cout<<GridLogMessage << n<<" filt ["<<b<<"] <n|MdagM|n> "<<norm2(tmp)<<std::endl;
b++;
}
// Cycle pointers to avoid copies
FineField *swizzle = Tnm;
Tnm =Tn;
Tn =Tnp;
Tnp =swizzle;
}
}
assert(b==nn);
}
#endif
#if 0
virtual void CreateSubspaceChebyshev(GridParallelRNG &RNG,LinearOperatorBase<FineField> &hermop,
int nn,
double hi,
double lo,
int orderfilter,
int ordermin,
int orderstep,
double filterlo
) {
RealD scale;
FineField noise(FineGrid);
FineField Mn(FineGrid);
FineField tmp(FineGrid);
FineField combined(FineGrid);
// New normalised noise
gaussian(RNG,noise);
scale = std::pow(norm2(noise),-0.5);
noise=noise*scale;
// Initial matrix element
hermop.Op(noise,Mn); std::cout<<GridLogMessage << "noise <n|MdagM|n> "<<norm2(Mn)<<std::endl;
int b =0;
#define FILTERb(llo,hhi,oorder) \
{ \
Chebyshev<FineField> Cheb(llo,hhi,oorder); \
Cheb(hermop,noise,Mn); \
scale = std::pow(norm2(Mn),-0.5); Mn=Mn*scale; \
subspace[b] = Mn; \
hermop.Op(Mn,tmp); \
std::cout<<GridLogMessage << oorder<< " Cheb filt ["<<b<<"] <n|MdagM|n> "<<norm2(tmp)<<std::endl; \
b++; \
}
// JacobiPolynomial<FineField> Cheb(0.002,60.0,1500,-0.5,3.5); \
RealD alpha=-0.8;
RealD beta =-0.8;
#define FILTER(llo,hhi,oorder) \
{ \
Chebyshev<FineField> Cheb(llo,hhi,oorder); \
/* JacobiPolynomial<FineField> Cheb(0.0,60.0,oorder,alpha,beta);*/\
Cheb(hermop,noise,Mn); \
scale = std::pow(norm2(Mn),-0.5); Mn=Mn*scale; \
subspace[b] = Mn; \
hermop.Op(Mn,tmp); \
std::cout<<GridLogMessage << oorder<< "filt ["<<b<<"] <n|MdagM|n> "<<norm2(tmp)<<std::endl; \
b++; \
}
#define FILTERc(llo,hhi,oorder) \
{ \
Chebyshev<FineField> Cheb(llo,hhi,oorder); \
Cheb(hermop,noise,combined); \
}
double node = 0.000;
FILTERb(lo,hi,orderfilter);// 0
// FILTERc(node,hi,51);// 0
noise = Mn;
int base = 0;
int mult = 100;
FILTER(node,hi,base+1*mult);
FILTER(node,hi,base+2*mult);
FILTER(node,hi,base+3*mult);
FILTER(node,hi,base+4*mult);
FILTER(node,hi,base+5*mult);
FILTER(node,hi,base+6*mult);
FILTER(node,hi,base+7*mult);
FILTER(node,hi,base+8*mult);
FILTER(node,hi,base+9*mult);
FILTER(node,hi,base+10*mult);
FILTER(node,hi,base+11*mult);
FILTER(node,hi,base+12*mult);
FILTER(node,hi,base+13*mult);
FILTER(node,hi,base+14*mult);
FILTER(node,hi,base+15*mult);
assert(b==nn);
}
#endif
#if 0
virtual void CreateSubspaceChebyshev(GridParallelRNG &RNG,LinearOperatorBase<FineField> &hermop,
int nn,
double hi,
double lo,
int orderfilter,
int ordermin,
int orderstep,
double filterlo
) {
RealD scale;
FineField noise(FineGrid);
FineField Mn(FineGrid);
FineField tmp(FineGrid);
FineField combined(FineGrid);
// New normalised noise
gaussian(RNG,noise);
scale = std::pow(norm2(noise),-0.5);
noise=noise*scale;
// Initial matrix element
hermop.Op(noise,Mn); std::cout<<GridLogMessage << "noise <n|MdagM|n> "<<norm2(Mn)<<std::endl;
int b =0;
{
Chebyshev<FineField> JacobiPoly(0.005,60.,1500);
// JacobiPolynomial<FineField> JacobiPoly(0.002,60.0,1500,-0.5,3.5);
//JacobiPolynomial<FineField> JacobiPoly(0.03,60.0,500,-0.5,3.5);
// JacobiPolynomial<FineField> JacobiPoly(0.00,60.0,1000,-0.5,3.5);
JacobiPoly(hermop,noise,Mn);
scale = std::pow(norm2(Mn),-0.5); Mn=Mn*scale;
subspace[b] = Mn;
hermop.Op(Mn,tmp);
std::cout<<GridLogMessage << "filt ["<<b<<"] <n|MdagM|n> "<<norm2(tmp)<<std::endl;
b++;
// scale = std::pow(norm2(tmp),-0.5); tmp=tmp*scale;
// subspace[b] = tmp; b++;
// }
}
#define FILTER(lambda) \
{ \
hermop.HermOp(subspace[0],tmp); \
tmp = tmp - lambda *subspace[0]; \
scale = std::pow(norm2(tmp),-0.5); \
tmp=tmp*scale; \
subspace[b] = tmp; \
hermop.Op(subspace[b],tmp); \
std::cout<<GridLogMessage << "filt ["<<b<<"] <n|MdagM|n> "<<norm2(tmp)<<std::endl; \
b++; \
}
// scale = std::pow(norm2(tmp),-0.5); tmp=tmp*scale;
// subspace[b] = tmp; b++;
// }
FILTER(2.0e-5);
FILTER(2.0e-4);
FILTER(4.0e-4);
FILTER(8.0e-4);
FILTER(8.0e-4);
FILTER(2.0e-3);
FILTER(3.0e-3);
FILTER(4.0e-3);
FILTER(5.0e-3);
FILTER(6.0e-3);
FILTER(2.5e-3);
FILTER(3.5e-3);
FILTER(4.5e-3);
FILTER(5.5e-3);
FILTER(6.5e-3);
// FILTER(6.0e-5);//6
// FILTER(7.0e-5);//8
// FILTER(8.0e-5);//9
// FILTER(9.0e-5);//3
/*
// FILTER(1.0e-4);//10
FILTER(2.0e-4);//11
// FILTER(3.0e-4);//12
// FILTER(4.0e-4);//13
FILTER(5.0e-4);//14
FILTER(6.0e-3);//4
FILTER(7.0e-4);//1
FILTER(8.0e-4);//7
FILTER(9.0e-4);//15
FILTER(1.0e-3);//2
FILTER(2.0e-3);//2
FILTER(3.0e-3);//2
FILTER(4.0e-3);//2
FILTER(5.0e-3);//2
FILTER(6.0e-3);//2
FILTER(7.0e-3);//2
FILTER(8.0e-3);//2
FILTER(1.0e-2);//2
*/
std::cout << GridLogMessage <<"Jacobi filtering done" <<std::endl;
assert(b==nn);
}
#endif
};
// Fine Object == (per site) type of fine field
// nbasis == number of deflation vectors
template<class Fobj,class CComplex,int nbasis>
@ -277,9 +518,10 @@ class CoarsenedMatrix : public SparseMatrixBase<Lattice<iVector<CComplex,nbasis
public:
typedef iVector<CComplex,nbasis > siteVector;
typedef Lattice<CComplex > CoarseComplexField;
typedef Lattice<siteVector> CoarseVector;
typedef Lattice<iMatrix<CComplex,nbasis > > CoarseMatrix;
typedef iMatrix<CComplex,nbasis > Cobj;
typedef Lattice< CComplex > CoarseScalar; // used for inner products on fine field
typedef Lattice<Fobj > FineField;
@ -294,7 +536,6 @@ public:
std::vector<CoarseMatrix> A;
///////////////////////
// Interface
///////////////////////
@ -305,33 +546,71 @@ public:
conformable(_grid,in.Grid());
conformable(in.Grid(),out.Grid());
RealD Nin = norm2(in);
// RealD Nin = norm2(in);
SimpleCompressor<siteVector> compressor;
double comms_usec = -usecond();
Stencil.HaloExchange(in,compressor);
comms_usec += usecond();
auto in_v = in.View();
auto out_v = out.View();
thread_for(ss,Grid()->oSites(),{
siteVector res = Zero();
siteVector nbr;
typedef LatticeView<Cobj> Aview;
Vector<Aview> AcceleratorViewContainer;
for(int p=0;p<geom.npoint;p++) AcceleratorViewContainer.push_back(A[p].View());
Aview *Aview_p = & AcceleratorViewContainer[0];
const int Nsimd = CComplex::Nsimd();
typedef decltype(coalescedRead(in_v[0])) calcVector;
typedef decltype(coalescedRead(in_v[0](0))) calcComplex;
GridStopWatch ArithmeticTimer;
int osites=Grid()->oSites();
// double flops = osites*Nsimd*nbasis*nbasis*8.0*geom.npoint;
// double bytes = osites*nbasis*nbasis*geom.npoint*sizeof(CComplex);
double usecs =-usecond();
// assert(geom.npoint==9);
accelerator_for(sss, Grid()->oSites()*nbasis, Nsimd, {
int ss = sss/nbasis;
int b = sss%nbasis;
calcComplex res = Zero();
calcVector nbr;
int ptype;
StencilEntry *SE;
int lane=SIMTlane(Nsimd);
for(int point=0;point<geom.npoint;point++){
SE=Stencil.GetEntry(ptype,point,ss);
if(SE->_is_local&&SE->_permute) {
permute(nbr,in_v[SE->_offset],ptype);
} else if(SE->_is_local) {
nbr = in_v[SE->_offset];
if(SE->_is_local) {
nbr = coalescedReadPermute(in_v[SE->_offset],ptype,SE->_permute,lane);
} else {
nbr = Stencil.CommBuf()[SE->_offset];
nbr = coalescedRead(Stencil.CommBuf()[SE->_offset],lane);
}
auto A_point = A[point].View();
res = res + A_point[ss]*nbr;
synchronise();
for(int bb=0;bb<nbasis;bb++) {
res = res + coalescedRead(Aview_p[point][ss](b,bb))*nbr(bb);
}
vstream(out_v[ss],res);
}
coalescedWrite(out_v[ss](b),res,lane);
});
usecs +=usecond();
double nrm_usec=-usecond();
RealD Nout= norm2(out);
nrm_usec+=usecond();
/*
std::cout << GridLogMessage << "\tNorm " << nrm_usec << " us" <<std::endl;
std::cout << GridLogMessage << "\tHalo " << comms_usec << " us" <<std::endl;
std::cout << GridLogMessage << "\tMatrix " << usecs << " us" <<std::endl;
std::cout << GridLogMessage << "\t mflop/s " << flops/usecs<<std::endl;
std::cout << GridLogMessage << "\t MB/s " << bytes/usecs<<std::endl;
*/
return Nout;
};
@ -349,25 +628,54 @@ public:
return norm2(out);
}
};
void Mdir(const CoarseVector &in, CoarseVector &out, int dir, int disp){
conformable(_grid,in.Grid());
conformable(in.Grid(),out.Grid());
void MdirComms(const CoarseVector &in)
{
SimpleCompressor<siteVector> compressor;
Stencil.HaloExchange(in,compressor);
}
void MdirCalc(const CoarseVector &in, CoarseVector &out, int point)
{
conformable(_grid,in.Grid());
conformable(_grid,out.Grid());
auto point = [dir, disp](){
if(dir == 0 and disp == 0)
return 8;
else
return (4 * dir + 1 - disp) / 2;
}();
typedef LatticeView<Cobj> Aview;
Vector<Aview> AcceleratorViewContainer;
for(int p=0;p<geom.npoint;p++) AcceleratorViewContainer.push_back(A[p].View());
Aview *Aview_p = & AcceleratorViewContainer[0];
auto out_v = out.View();
auto in_v = in.View();
thread_for(ss,Grid()->oSites(),{
const int Nsimd = CComplex::Nsimd();
typedef decltype(coalescedRead(in_v[0])) calcVector;
typedef decltype(coalescedRead(in_v[0](0))) calcComplex;
accelerator_for(sss, Grid()->oSites()*nbasis, Nsimd, {
int ss = sss/nbasis;
int b = sss%nbasis;
calcComplex res = Zero();
calcVector nbr;
int ptype;
StencilEntry *SE;
int lane=SIMTlane(Nsimd);
SE=Stencil.GetEntry(ptype,point,ss);
if(SE->_is_local) {
nbr = coalescedReadPermute(in_v[SE->_offset],ptype,SE->_permute,lane);
} else {
nbr = coalescedRead(Stencil.CommBuf()[SE->_offset],lane);
}
synchronise();
for(int bb=0;bb<nbasis;bb++) {
res = res + coalescedRead(Aview_p[point][ss](b,bb))*nbr(bb);
}
coalescedWrite(out_v[ss](b),res,lane);
});
#if 0
accelerator_for(ss,Grid()->oSites(),1,{
siteVector res = Zero();
siteVector nbr;
int ptype;
@ -382,16 +690,65 @@ public:
} else {
nbr = Stencil.CommBuf()[SE->_offset];
}
synchronise();
auto A_point = A[point].View();
res = res + A_point[ss]*nbr;
res = res + Aview_p[point][ss]*nbr;
vstream(out_v[ss],res);
out_v[ss]=res;
});
#endif
}
void MdirAll(const CoarseVector &in,std::vector<CoarseVector> &out)
{
this->MdirComms(in);
int ndir=geom.npoint-1;
if ((out.size()!=ndir)&&(out.size()!=ndir+1)) {
std::cout <<"MdirAll out size "<< out.size()<<std::endl;
std::cout <<"MdirAll ndir "<< ndir<<std::endl;
assert(0);
}
for(int p=0;p<ndir;p++){
MdirCalc(in,out[p],p);
}
};
void Mdir(const CoarseVector &in, CoarseVector &out, int dir, int disp){
this->MdirComms(in);
int ndim = in.Grid()->Nd();
//////////////
// 4D action like wilson
// 0+ => 0
// 0- => 1
// 1+ => 2
// 1- => 3
// etc..
//////////////
// 5D action like DWF
// 1+ => 0
// 1- => 1
// 2+ => 2
// 2- => 3
// etc..
auto point = [dir, disp, ndim](){
if(dir == 0 and disp == 0)
return 8;
else if ( ndim==4 ) {
return (4 * dir + 1 - disp) / 2;
} else {
return (4 * (dir-1) + 1 - disp) / 2;
}
}();
MdirCalc(in,out,point);
};
void Mdiag(const CoarseVector &in, CoarseVector &out){
Mdir(in, out, 0, 0); // use the self coupling (= last) point of the stencil
void Mdiag(const CoarseVector &in, CoarseVector &out)
{
int point=geom.npoint-1;
MdirCalc(in, out, point); // No comms
};
@ -406,20 +763,39 @@ public:
};
void CoarsenOperator(GridBase *FineGrid,LinearOperatorBase<Lattice<Fobj> > &linop,
Aggregation<Fobj,CComplex,nbasis> & Subspace){
Aggregation<Fobj,CComplex,nbasis> & Subspace)
{
typedef Lattice<typename Fobj::tensor_reduced> FineComplexField;
typedef typename Fobj::scalar_type scalar_type;
FineField iblock(FineGrid); // contributions from within this block
FineField oblock(FineGrid); // contributions from outwith this block
FineComplexField one(FineGrid); one=scalar_type(1.0,0.0);
FineComplexField zero(FineGrid); zero=scalar_type(0.0,0.0);
std::vector<FineComplexField> masks(geom.npoint,FineGrid);
FineComplexField imask(FineGrid); // contributions from within this block
FineComplexField omask(FineGrid); // contributions from outwith this block
FineComplexField evenmask(FineGrid);
FineComplexField oddmask(FineGrid);
FineField phi(FineGrid);
FineField tmp(FineGrid);
FineField zz(FineGrid); zz=Zero();
FineField Mphi(FineGrid);
FineField Mphie(FineGrid);
FineField Mphio(FineGrid);
std::vector<FineField> Mphi_p(geom.npoint,FineGrid);
Lattice<iScalar<vInteger> > coor(FineGrid);
Lattice<iScalar<vInteger> > coor (FineGrid);
Lattice<iScalar<vInteger> > bcoor(FineGrid);
Lattice<iScalar<vInteger> > bcb (FineGrid); bcb = Zero();
CoarseVector iProj(Grid());
CoarseVector oProj(Grid());
CoarseVector SelfProj(Grid());
CoarseComplexField iZProj(Grid());
CoarseComplexField oZProj(Grid());
CoarseScalar InnerProd(Grid());
// Orthogonalise the subblocks over the basis
@ -428,68 +804,116 @@ public:
// Compute the matrix elements of linop between this orthonormal
// set of vectors.
int self_stencil=-1;
for(int p=0;p<geom.npoint;p++){
for(int p=0;p<geom.npoint;p++)
{
int dir = geom.directions[p];
int disp = geom.displacements[p];
A[p]=Zero();
if( geom.displacements[p]==0){
self_stencil=p;
}
}
assert(self_stencil!=-1);
for(int i=0;i<nbasis;i++){
phi=Subspace.subspace[i];
std::cout<<GridLogMessage<<"("<<i<<").."<<std::endl;
for(int p=0;p<geom.npoint;p++){
int dir = geom.directions[p];
int disp = geom.displacements[p];
Integer block=(FineGrid->_rdimensions[dir])/(Grid()->_rdimensions[dir]);
LatticeCoordinate(coor,dir);
if ( disp==0 ){
linop.OpDiag(phi,Mphi);
///////////////////////////////////////////////////////
// Work out even and odd block checkerboarding for fast diagonal term
///////////////////////////////////////////////////////
if ( disp==1 ) {
bcb = bcb + div(coor,block);
}
else {
linop.OpDir(phi,Mphi,dir,disp);
if ( disp==0 ) {
masks[p]= Zero();
} else if ( disp==1 ) {
masks[p] = where(mod(coor,block)==(block-1),one,zero);
} else if ( disp==-1 ) {
masks[p] = where(mod(coor,block)==(Integer)0,one,zero);
}
}
evenmask = where(mod(bcb,2)==(Integer)0,one,zero);
oddmask = one-evenmask;
assert(self_stencil!=-1);
for(int i=0;i<nbasis;i++){
phi=Subspace.subspace[i];
// std::cout << GridLogMessage<< "CoarsenMatrix vector "<<i << std::endl;
linop.OpDirAll(phi,Mphi_p);
linop.OpDiag (phi,Mphi_p[geom.npoint-1]);
for(int p=0;p<geom.npoint;p++){
Mphi = Mphi_p[p];
int dir = geom.directions[p];
int disp = geom.displacements[p];
if ( (disp==-1) || (!hermitian ) ) {
////////////////////////////////////////////////////////////////////////
// Pick out contributions coming from this cell and neighbour cell
////////////////////////////////////////////////////////////////////////
if ( disp==0 ) {
iblock = Mphi;
oblock = Zero();
} else if ( disp==1 ) {
oblock = where(mod(coor,block)==(block-1),Mphi,zz);
iblock = where(mod(coor,block)!=(block-1),Mphi,zz);
} else if ( disp==-1 ) {
oblock = where(mod(coor,block)==(Integer)0,Mphi,zz);
iblock = where(mod(coor,block)!=(Integer)0,Mphi,zz);
} else {
assert(0);
}
omask = masks[p];
imask = one-omask;
Subspace.ProjectToSubspace(iProj,iblock);
Subspace.ProjectToSubspace(oProj,oblock);
// blockProject(iProj,iblock,Subspace.subspace);
// blockProject(oProj,oblock,Subspace.subspace);
auto iProj_v = iProj.View() ;
auto oProj_v = oProj.View() ;
for(int j=0;j<nbasis;j++){
blockMaskedInnerProduct(oZProj,omask,Subspace.subspace[j],Mphi);
auto iZProj_v = iZProj.View() ;
auto oZProj_v = oZProj.View() ;
auto A_p = A[p].View();
auto A_self = A[self_stencil].View();
thread_for(ss, Grid()->oSites(),{
for(int j=0;j<nbasis;j++){
if( disp!= 0 ) {
A_p[ss](j,i) = oProj_v[ss](j);
accelerator_for(ss, Grid()->oSites(), Fobj::Nsimd(),{ coalescedWrite(A_p[ss](j,i),oZProj_v(ss)); });
// if( disp!= 0 ) { accelerator_for(ss, Grid()->oSites(), Fobj::Nsimd(),{ coalescedWrite(A_p[ss](j,i),oZProj_v(ss)); });}
// accelerator_for(ss, Grid()->oSites(), Fobj::Nsimd(),{ coalescedWrite(A_self[ss](j,i),A_self(ss)(j,i)+iZProj_v(ss)); });
}
A_self[ss](j,i) = A_self[ss](j,i) + iProj_v[ss](j);
}
}
///////////////////////////////////////////
// Faster alternate self coupling.. use hermiticity to save 2x
///////////////////////////////////////////
{
mult(tmp,phi,evenmask); linop.Op(tmp,Mphie);
mult(tmp,phi,oddmask ); linop.Op(tmp,Mphio);
{
auto tmp_ = tmp.View();
auto evenmask_ = evenmask.View();
auto oddmask_ = oddmask.View();
auto Mphie_ = Mphie.View();
auto Mphio_ = Mphio.View();
accelerator_for(ss, FineGrid->oSites(), Fobj::Nsimd(),{
coalescedWrite(tmp_[ss],evenmask_(ss)*Mphie_(ss) + oddmask_(ss)*Mphio_(ss));
});
}
blockProject(SelfProj,tmp,Subspace.subspace);
auto SelfProj_ = SelfProj.View();
auto A_self = A[self_stencil].View();
accelerator_for(ss, Grid()->oSites(), Fobj::Nsimd(),{
for(int j=0;j<nbasis;j++){
coalescedWrite(A_self[ss](j,i), SelfProj_(ss)(j));
}
});
}
}
if(hermitian) {
std::cout << GridLogMessage << " ForceHermitian, new code "<<std::endl;
ForceHermitian();
}
// AssertHermitian();
// ForceDiagonal();
}
#if 0
@ -513,17 +937,26 @@ public:
std::cout<<GridLogMessage<< iProj <<std::endl;
std::cout<<GridLogMessage<<"Computed Coarse Operator"<<std::endl;
#endif
// ForceHermitian();
// AssertHermitian();
// ForceDiagonal();
}
void ForceHermitian(void) {
for(int d=0;d<4;d++){
int dd=d+1;
A[2*d] = adj(Cshift(A[2*d+1],dd,1));
CoarseMatrix Diff (Grid());
for(int p=0;p<geom.npoint;p++){
int dir = geom.directions[p];
int disp = geom.displacements[p];
if(disp==-1) {
// Find the opposite link
for(int pp=0;pp<geom.npoint;pp++){
int dirp = geom.directions[pp];
int dispp = geom.displacements[pp];
if ( (dirp==dir) && (dispp==1) ){
// Diff = adj(Cshift(A[p],dir,1)) - A[pp];
// std::cout << GridLogMessage<<" Replacing stencil leg "<<pp<<" with leg "<<p<< " diff "<<norm2(Diff) <<std::endl;
A[pp] = adj(Cshift(A[p],dir,1));
}
}
}
}
// A[8] = 0.5*(A[8] + adj(A[8]));
}
void AssertHermitian(void) {
CoarseMatrix AA (Grid());

148
Grid/algorithms/LinearOperator.h
View File

@ -47,6 +47,7 @@ public:
// Support for coarsening to a multigrid
virtual void OpDiag (const Field &in, Field &out) = 0; // Abstract base
virtual void OpDir (const Field &in, Field &out,int dir,int disp) = 0; // Abstract base
virtual void OpDirAll (const Field &in, std::vector<Field> &out) = 0; // Abstract base
virtual void Op (const Field &in, Field &out) = 0; // Abstract base
virtual void AdjOp (const Field &in, Field &out) = 0; // Abstract base
@ -83,6 +84,9 @@ public:
void OpDir (const Field &in, Field &out,int dir,int disp) {
_Mat.Mdir(in,out,dir,disp);
}
void OpDirAll (const Field &in, std::vector<Field> &out){
_Mat.MdirAll(in,out);
};
void Op (const Field &in, Field &out){
_Mat.M(in,out);
}
@ -93,8 +97,7 @@ public:
_Mat.MdagM(in,out,n1,n2);
}
void HermOp(const Field &in, Field &out){
RealD n1,n2;
HermOpAndNorm(in,out,n1,n2);
_Mat.MdagM(in,out);
}
};
@ -116,6 +119,9 @@ public:
_Mat.Mdir(in,out,dir,disp);
assert(0);
}
void OpDirAll (const Field &in, std::vector<Field> &out){
assert(0);
};
void Op (const Field &in, Field &out){
_Mat.M(in,out);
assert(0);
@ -154,6 +160,9 @@ public:
void OpDir (const Field &in, Field &out,int dir,int disp) {
_Mat.Mdir(in,out,dir,disp);
}
void OpDirAll (const Field &in, std::vector<Field> &out){
_Mat.MdirAll(in,out);
};
void Op (const Field &in, Field &out){
_Mat.M(in,out);
}
@ -162,7 +171,6 @@ public:
}
void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){
_Mat.M(in,out);
ComplexD dot= innerProduct(in,out); n1=real(dot);
n2=norm2(out);
}
@ -183,6 +191,9 @@ public:
void OpDir (const Field &in, Field &out,int dir,int disp) {
_Mat.Mdir(in,out,dir,disp);
}
void OpDirAll (const Field &in, std::vector<Field> &out){
_Mat.MdirAll(in,out);
};
void Op (const Field &in, Field &out){
_Mat.M(in,out);
}
@ -234,6 +245,9 @@ public:
void OpDir (const Field &in, Field &out,int dir,int disp) {
assert(0);
}
void OpDirAll (const Field &in, std::vector<Field> &out){
assert(0);
};
};
template<class Matrix,class Field>
class SchurDiagMooeeOperator : public SchurOperatorBase<Field> {
@ -320,9 +334,135 @@ public:
return axpy_norm(out,-1.0,tmp,in);
}
};
template<class Field>
class NonHermitianSchurOperatorBase : public LinearOperatorBase<Field>
{
public:
virtual RealD Mpc (const Field& in, Field& out) = 0;
virtual RealD MpcDag (const Field& in, Field& out) = 0;
virtual void MpcDagMpc(const Field& in, Field& out, RealD& ni, RealD& no) {
Field tmp(in.Grid());
tmp.Checkerboard() = in.Checkerboard();
ni = Mpc(in,tmp);
no = MpcDag(tmp,out);
}
virtual void HermOpAndNorm(const Field& in, Field& out, RealD& n1, RealD& n2) {
assert(0);
}
virtual void HermOp(const Field& in, Field& out) {
assert(0);
}
void Op(const Field& in, Field& out) {
Mpc(in, out);
}
void AdjOp(const Field& in, Field& out) {
MpcDag(in, out);
}
// Support for coarsening to a multigrid
void OpDiag(const Field& in, Field& out) {
assert(0); // must coarsen the unpreconditioned system
}
void OpDir(const Field& in, Field& out, int dir, int disp) {
assert(0);
}
};
template<class Matrix, class Field>
class NonHermitianSchurDiagMooeeOperator : public NonHermitianSchurOperatorBase<Field>
{
public:
Matrix& _Mat;
NonHermitianSchurDiagMooeeOperator(Matrix& Mat): _Mat(Mat){};
virtual RealD Mpc(const Field& in, Field& out) {
Field tmp(in.Grid());
tmp.Checkerboard() = !in.Checkerboard();
_Mat.Meooe(in, tmp);
_Mat.MooeeInv(tmp, out);
_Mat.Meooe(out, tmp);
_Mat.Mooee(in, out);
return axpy_norm(out, -1.0, tmp, out);
}
virtual RealD MpcDag(const Field& in, Field& out) {
Field tmp(in.Grid());
_Mat.MeooeDag(in, tmp);
_Mat.MooeeInvDag(tmp, out);
_Mat.MeooeDag(out, tmp);
_Mat.MooeeDag(in, out);
return axpy_norm(out, -1.0, tmp, out);
}
};
template<class Matrix,class Field>
class NonHermitianSchurDiagOneOperator : public NonHermitianSchurOperatorBase<Field>
{
protected:
Matrix &_Mat;
public:
NonHermitianSchurDiagOneOperator (Matrix& Mat): _Mat(Mat){};
virtual RealD Mpc(const Field& in, Field& out) {
Field tmp(in.Grid());
_Mat.Meooe(in, out);
_Mat.MooeeInv(out, tmp);
_Mat.Meooe(tmp, out);
_Mat.MooeeInv(out, tmp);
return axpy_norm(out, -1.0, tmp, in);
}
virtual RealD MpcDag(const Field& in, Field& out) {
Field tmp(in.Grid());
_Mat.MooeeInvDag(in, out);
_Mat.MeooeDag(out, tmp);
_Mat.MooeeInvDag(tmp, out);
_Mat.MeooeDag(out, tmp);
return axpy_norm(out, -1.0, tmp, in);
}
};
template<class Matrix, class Field>
class NonHermitianSchurDiagTwoOperator : public NonHermitianSchurOperatorBase<Field>
{
protected:
Matrix& _Mat;
public:
NonHermitianSchurDiagTwoOperator(Matrix& Mat): _Mat(Mat){};
virtual RealD Mpc(const Field& in, Field& out) {
Field tmp(in.Grid());
_Mat.MooeeInv(in, out);
_Mat.Meooe(out, tmp);
_Mat.MooeeInv(tmp, out);
_Mat.Meooe(out, tmp);
return axpy_norm(out, -1.0, tmp, in);
}
virtual RealD MpcDag(const Field& in, Field& out) {
Field tmp(in.Grid());
_Mat.MeooeDag(in, out);
_Mat.MooeeInvDag(out, tmp);
_Mat.MeooeDag(tmp, out);
_Mat.MooeeInvDag(out, tmp);
return axpy_norm(out, -1.0, tmp, in);
}
};
///////////////////////////////////////////////////////////////////////////////////////////////////
// Left handed Moo^-1 ; (Moo - Moe Mee^-1 Meo) psi = eta --> ( 1 - Moo^-1 Moe Mee^-1 Meo ) psi = Moo^-1 eta
// Right handed Moo^-1 ; (Moo - Moe Mee^-1 Meo) Moo^-1 Moo psi = eta --> ( 1 - Moe Mee^-1 Meo ) Moo^-1 phi=eta ; psi = Moo^-1 phi
// Right handed Moo^-1 ; (Moo - Moe Mee^-1 Meo) Moo^-1 Moo psi = eta --> ( 1 - Moe Mee^-1 Meo Moo^-1) phi=eta ; psi = Moo^-1 phi
///////////////////////////////////////////////////////////////////////////////////////////////////
template<class Matrix,class Field> using SchurDiagOneRH = SchurDiagTwoOperator<Matrix,Field> ;
template<class Matrix,class Field> using SchurDiagOneLH = SchurDiagOneOperator<Matrix,Field> ;

5
Grid/algorithms/SparseMatrix.h
View File

@ -45,8 +45,13 @@ public:
ni=M(in,tmp);
no=Mdag(tmp,out);
}
virtual void MdagM(const Field &in, Field &out) {
RealD ni, no;
MdagM(in,out,ni,no);
}
virtual void Mdiag (const Field &in, Field &out)=0;
virtual void Mdir (const Field &in, Field &out,int dir, int disp)=0;
virtual void MdirAll (const Field &in, std::vector<Field> &out)=0;
};
/////////////////////////////////////////////////////////////////////////////////////////////

36
Grid/algorithms/approx/Chebyshev.h
View File

@ -95,6 +95,24 @@ public:
Coeffs[order-1] = 1.;
};
// PB - more efficient low pass drops high modes above the low as 1/x uses all Chebyshev's.
// Similar kick effect below the threshold as Lanczos filter approach
void InitLowPass(RealD _lo,RealD _hi,int _order)
{
lo=_lo;
hi=_hi;
order=_order;
if(order < 2) exit(-1);
Coeffs.resize(order);
for(int j=0;j<order;j++){
RealD k=(order-1.0);
RealD s=std::cos( j*M_PI*(k+0.5)/order );
Coeffs[j] = s * 2.0/order;
}
};
void Init(RealD _lo,RealD _hi,int _order, RealD (* func)(RealD))
{
lo=_lo;
@ -234,20 +252,20 @@ public:
RealD xscale = 2.0/(hi-lo);
RealD mscale = -(hi+lo)/(hi-lo);
Linop.HermOp(T0,y);
T1=y*xscale+in*mscale;
axpby(T1,xscale,mscale,y,in);
// sum = .5 c[0] T0 + c[1] T1
out = (0.5*Coeffs[0])*T0 + Coeffs[1]*T1;
// out = ()*T0 + Coeffs[1]*T1;
axpby(out,0.5*Coeffs[0],Coeffs[1],T0,T1);
for(int n=2;n<order;n++){
Linop.HermOp(*Tn,y);
y=xscale*y+mscale*(*Tn);
*Tnp=2.0*y-(*Tnm);
out=out+Coeffs[n]* (*Tnp);
// y=xscale*y+mscale*(*Tn);
// *Tnp=2.0*y-(*Tnm);
// out=out+Coeffs[n]* (*Tnp);
axpby(y,xscale,mscale,y,(*Tn));
axpby(*Tnp,2.0,-1.0,y,(*Tnm));
axpy(out,Coeffs[n],*Tnp,out);
// Cycle pointers to avoid copies
Field *swizzle = Tnm;
Tnm =Tn;

129
Grid/algorithms/approx/JacobiPolynomial.h Normal file
View File

@ -0,0 +1,129 @@
#ifndef GRID_JACOBIPOLYNOMIAL_H
#define GRID_JACOBIPOLYNOMIAL_H
#include <Grid/algorithms/LinearOperator.h>
NAMESPACE_BEGIN(Grid);
template<class Field>
class JacobiPolynomial : public OperatorFunction<Field> {
private:
using OperatorFunction<Field>::operator();
int order;
RealD hi;
RealD lo;
RealD alpha;
RealD beta;
public:
void csv(std::ostream &out){
csv(out,lo,hi);
}
void csv(std::ostream &out,RealD llo,RealD hhi){
RealD diff = hhi-llo;
RealD delta = diff*1.0e-5;
for (RealD x=llo-delta; x<=hhi; x+=delta) {
RealD f = approx(x);
out<< x<<" "<<f <<std::endl;
}
return;
}
JacobiPolynomial(){};
JacobiPolynomial(RealD _lo,RealD _hi,int _order,RealD _alpha, RealD _beta)
{
lo=_lo;
hi=_hi;
alpha=_alpha;
beta=_beta;
order=_order;
};
RealD approx(RealD x) // Convenience for plotting the approximation
{
RealD Tn;
RealD Tnm;
RealD Tnp;
RealD y=( x-0.5*(hi+lo))/(0.5*(hi-lo));
RealD T0=1.0;
RealD T1=(alpha-beta)*0.5+(alpha+beta+2.0)*0.5*y;
Tn =T1;
Tnm=T0;
for(int n=2;n<=order;n++){
RealD cnp = 2.0*n*(n+alpha+beta)*(2.0*n-2.0+alpha+beta);
RealD cny = (2.0*n-2.0+alpha+beta)*(2.0*n-1.0+alpha+beta)*(2.0*n+alpha+beta);
RealD cn1 = (2.0*n+alpha+beta-1.0)*(alpha*alpha-beta*beta);
RealD cnm = - 2.0*(n+alpha-1.0)*(n+beta-1.0)*(2.0*n+alpha+beta);
Tnp= ( cny * y *Tn + cn1 * Tn + cnm * Tnm )/ cnp;
Tnm=Tn;
Tn =Tnp;
}
return Tnp;
};
// Implement the required interface
void operator() (LinearOperatorBase<Field> &Linop, const Field &in, Field &out) {
GridBase *grid=in.Grid();
int vol=grid->gSites();
Field T0(grid);
Field T1(grid);
Field T2(grid);
Field y(grid);
Field *Tnm = &T0;
Field *Tn = &T1;
Field *Tnp = &T2;
// RealD T0=1.0;
T0=in;
// RealD y=( x-0.5*(hi+lo))/(0.5*(hi-lo));
// = x * 2/(hi-lo) - (hi+lo)/(hi-lo)
Linop.HermOp(T0,y);
RealD xscale = 2.0/(hi-lo);
RealD mscale = -(hi+lo)/(hi-lo);
Linop.HermOp(T0,y);
y=y*xscale+in*mscale;
// RealD T1=(alpha-beta)*0.5+(alpha+beta+2.0)*0.5*y;
RealD halfAmB = (alpha-beta)*0.5;
RealD halfApBp2= (alpha+beta+2.0)*0.5;
T1 = halfAmB * in + halfApBp2*y;
for(int n=2;n<=order;n++){
Linop.HermOp(*Tn,y);
y=xscale*y+mscale*(*Tn);
RealD cnp = 2.0*n*(n+alpha+beta)*(2.0*n-2.0+alpha+beta);
RealD cny = (2.0*n-2.0+alpha+beta)*(2.0*n-1.0+alpha+beta)*(2.0*n+alpha+beta);
RealD cn1 = (2.0*n+alpha+beta-1.0)*(alpha*alpha-beta*beta);
RealD cnm = - 2.0*(n+alpha-1.0)*(n+beta-1.0)*(2.0*n+alpha+beta);
// Tnp= ( cny * y *Tn + cn1 * Tn + cnm * Tnm )/ cnp;
cny=cny/cnp;
cn1=cn1/cnp;
cn1=cn1/cnp;
cnm=cnm/cnp;
*Tnp=cny*y + cn1 *(*Tn) + cnm * (*Tnm);
// Cycle pointers to avoid copies
Field *swizzle = Tnm;
Tnm =Tn;
Tn =Tnp;
Tnp =swizzle;
}
out=*Tnp;
}
};
NAMESPACE_END(Grid);
#endif

473
Grid/algorithms/approx/RemezGeneral.cc Normal file
View File

@ -0,0 +1,473 @@
#include<math.h>
#include<stdio.h>
#include<stdlib.h>
#include<string>
#include<iostream>
#include<iomanip>
#include<cassert>
#include<Grid/algorithms/approx/RemezGeneral.h>
// Constructor
AlgRemezGeneral::AlgRemezGeneral(double lower, double upper, long precision,
bigfloat (*f)(bigfloat x, void *data), void *data): f(f),
data(data),
prec(precision),
apstrt(lower), apend(upper), apwidt(upper - lower),
n(0), d(0), pow_n(0), pow_d(0)
{
bigfloat::setDefaultPrecision(prec);
std::cout<<"Approximation bounds are ["<<apstrt<<","<<apend<<"]\n";
std::cout<<"Precision of arithmetic is "<<precision<<std::endl;
}
//Determine the properties of the numerator and denominator polynomials
void AlgRemezGeneral::setupPolyProperties(int num_degree, int den_degree, PolyType num_type_in, PolyType den_type_in){
pow_n = num_degree;
pow_d = den_degree;
if(pow_n % 2 == 0 && num_type_in == PolyType::Odd) assert(0);
if(pow_n % 2 == 1 && num_type_in == PolyType::Even) assert(0);
if(pow_d % 2 == 0 && den_type_in == PolyType::Odd) assert(0);
if(pow_d % 2 == 1 && den_type_in == PolyType::Even) assert(0);
num_type = num_type_in;
den_type = den_type_in;
num_pows.resize(pow_n+1);
den_pows.resize(pow_d+1);
int n_in = 0;
bool odd = num_type == PolyType::Full || num_type == PolyType::Odd;
bool even = num_type == PolyType::Full || num_type == PolyType::Even;
for(int i=0;i<=pow_n;i++){
num_pows[i] = -1;
if(i % 2 == 0 && even) num_pows[i] = n_in++;
if(i % 2 == 1 && odd) num_pows[i] = n_in++;
}
std::cout << n_in << " terms in numerator" << std::endl;
--n_in; //power is 1 less than the number of terms, eg pow=1 a x^1 + b x^0
int d_in = 0;
odd = den_type == PolyType::Full || den_type == PolyType::Odd;
even = den_type == PolyType::Full || den_type == PolyType::Even;
for(int i=0;i<=pow_d;i++){
den_pows[i] = -1;
if(i % 2 == 0 && even) den_pows[i] = d_in++;
if(i % 2 == 1 && odd) den_pows[i] = d_in++;
}
std::cout << d_in << " terms in denominator" << std::endl;
--d_in;
n = n_in;
d = d_in;
}
//Setup algorithm
void AlgRemezGeneral::reinitializeAlgorithm(){
spread = 1.0e37;
iter = 0;
neq = n + d + 1; //not +2 because highest-power term in denominator is fixed to 1
param.resize(neq);
yy.resize(neq+1);
//Initialize linear equation temporaries
A.resize(neq*neq);
B.resize(neq);
IPS.resize(neq);
//Initialize maximum and minimum errors
xx.resize(neq+2);
mm.resize(neq+1);
initialGuess();
//Initialize search steps
step.resize(neq+1);
stpini();
}
double AlgRemezGeneral::generateApprox(const int num_degree, const int den_degree,
const PolyType num_type_in, const PolyType den_type_in,
const double _tolerance, const int report_freq){
//Setup the properties of the polynomial
setupPolyProperties(num_degree, den_degree, num_type_in, den_type_in);
//Setup the algorithm
reinitializeAlgorithm();
bigfloat tolerance = _tolerance;
//Iterate until convergance
while (spread > tolerance) {
if (iter++ % report_freq==0)
std::cout<<"Iteration " <<iter-1<<" spread "<<(double)spread<<" delta "<<(double)delta << std::endl;
equations();
if (delta < tolerance) {
std::cout<<"Iteration " << iter-1 << " delta too small (" << delta << "<" << tolerance << "), try increasing precision\n";
assert(0);
};
assert( delta>= tolerance );
search();
}
int sign;
double error = (double)getErr(mm[0],&sign);
std::cout<<"Converged at "<<iter<<" iterations; error = "<<error<<std::endl;
// Return the maximum error in the approximation
return error;
}
// Initial values of maximal and minimal errors
void AlgRemezGeneral::initialGuess(){
// Supply initial guesses for solution points
long ncheb = neq; // Degree of Chebyshev error estimate
// Find ncheb+1 extrema of Chebyshev polynomial
bigfloat a = ncheb;
bigfloat r;
mm[0] = apstrt;
for (long i = 1; i < ncheb; i++) {
r = 0.5 * (1 - cos((M_PI * i)/(double) a));
//r *= sqrt_bf(r);
r = (exp((double)r)-1.0)/(exp(1.0)-1.0);
mm[i] = apstrt + r * apwidt;
}
mm[ncheb] = apend;
a = 2.0 * ncheb;
for (long i = 0; i <= ncheb; i++) {
r = 0.5 * (1 - cos(M_PI * (2*i+1)/(double) a));
//r *= sqrt_bf(r); // Squeeze to low end of interval
r = (exp((double)r)-1.0)/(exp(1.0)-1.0);
xx[i] = apstrt + r * apwidt;
}
}
// Initialise step sizes
void AlgRemezGeneral::stpini(){
xx[neq+1] = apend;
delta = 0.25;
step[0] = xx[0] - apstrt;
for (int i = 1; i < neq; i++) step[i] = xx[i] - xx[i-1];
step[neq] = step[neq-1];
}
// Search for error maxima and minima
void AlgRemezGeneral::search(){
bigfloat a, q, xm, ym, xn, yn, xx1;
int emsign, ensign, steps;
int meq = neq + 1;
bigfloat eclose = 1.0e30;
bigfloat farther = 0l;
bigfloat xx0 = apstrt;
for (int i = 0; i < meq; i++) {
steps = 0;
xx1 = xx[i]; // Next zero
if (i == meq-1) xx1 = apend;
xm = mm[i];
ym = getErr(xm,&emsign);
q = step[i];
xn = xm + q;
if (xn < xx0 || xn >= xx1) { // Cannot skip over adjacent boundaries
q = -q;
xn = xm;
yn = ym;
ensign = emsign;
} else {
yn = getErr(xn,&ensign);
if (yn < ym) {
q = -q;
xn = xm;
yn = ym;
ensign = emsign;
}
}
while(yn >= ym) { // March until error becomes smaller.
if (++steps > 10)
break;
ym = yn;
xm = xn;
emsign = ensign;
a = xm + q;
if (a == xm || a <= xx0 || a >= xx1)
break;// Must not skip over the zeros either side.
xn = a;
yn = getErr(xn,&ensign);
}
mm[i] = xm; // Position of maximum
yy[i] = ym; // Value of maximum
if (eclose > ym) eclose = ym;
if (farther < ym) farther = ym;
xx0 = xx1; // Walk to next zero.
} // end of search loop
q = (farther - eclose); // Decrease step size if error spread increased
if (eclose != 0.0) q /= eclose; // Relative error spread
if (q >= spread)
delta *= 0.5; // Spread is increasing; decrease step size
spread = q;
for (int i = 0; i < neq; i++) {
q = yy[i+1];
if (q != 0.0) q = yy[i] / q - (bigfloat)1l;
else q = 0.0625;
if (q > (bigfloat)0.25) q = 0.25;
q *= mm[i+1] - mm[i];
step[i] = q * delta;
}
step[neq] = step[neq-1];
for (int i = 0; i < neq; i++) { // Insert new locations for the zeros.
xm = xx[i] - step[i];
if (xm <= apstrt)
continue;
if (xm >= apend)
continue;
if (xm <= mm[i])
xm = (bigfloat)0.5 * (mm[i] + xx[i]);
if (xm >= mm[i+1])
xm = (bigfloat)0.5 * (mm[i+1] + xx[i]);
xx[i] = xm;
}
}
// Solve the equations
void AlgRemezGeneral::equations(){
bigfloat x, y, z;
bigfloat *aa;
for (int i = 0; i < neq; i++) { // set up the equations for solution by simq()
int ip = neq * i; // offset to 1st element of this row of matrix
x = xx[i]; // the guess for this row
y = func(x); // right-hand-side vector
z = (bigfloat)1l;
aa = A.data()+ip;
int t = 0;
for (int j = 0; j <= pow_n; j++) {
if(num_pows[j] != -1){ *aa++ = z; t++; }
z *= x;
}
assert(t == n+1);
z = (bigfloat)1l;
t = 0;
for (int j = 0; j < pow_d; j++) {
if(den_pows[j] != -1){ *aa++ = -y * z; t++; }
z *= x;
}
assert(t == d);
B[i] = y * z; // Right hand side vector
}
// Solve the simultaneous linear equations.
if (simq()){
std::cout<<"simq failed\n";
exit(0);
}
}
// Evaluate the rational form P(x)/Q(x) using coefficients
// from the solution vector param
bigfloat AlgRemezGeneral::approx(const bigfloat x) const{
// Work backwards toward the constant term.
int c = n;
bigfloat yn = param[c--]; // Highest order numerator coefficient
for (int i = pow_n-1; i >= 0; i--) yn = x * yn + (num_pows[i] != -1 ? param[c--] : bigfloat(0l));
c = n+d;
bigfloat yd = 1l; //Highest degree coefficient is 1.0
for (int i = pow_d-1; i >= 0; i--) yd = x * yd + (den_pows[i] != -1 ? param[c--] : bigfloat(0l));
return(yn/yd);
}
// Compute size and sign of the approximation error at x
bigfloat AlgRemezGeneral::getErr(bigfloat x, int *sign) const{
bigfloat f = func(x);
bigfloat e = approx(x) - f;
if (f != 0) e /= f;
if (e < (bigfloat)0.0) {
*sign = -1;
e = -e;
}
else *sign = 1;
return(e);
}
// Solve the system AX=B
int AlgRemezGeneral::simq(){
int ip, ipj, ipk, ipn;
int idxpiv;
int kp, kp1, kpk, kpn;
int nip, nkp;
bigfloat em, q, rownrm, big, size, pivot, sum;
bigfloat *aa;
bigfloat *X = param.data();
int n = neq;
int nm1 = n - 1;
// Initialize IPS and X
int ij = 0;
for (int i = 0; i < n; i++) {
IPS[i] = i;
rownrm = 0.0;
for(int j = 0; j < n; j++) {
q = abs_bf(A[ij]);
if(rownrm < q) rownrm = q;
++ij;
}
if (rownrm == (bigfloat)0l) {
std::cout<<"simq rownrm=0\n";
return(1);
}
X[i] = (bigfloat)1.0 / rownrm;
}
for (int k = 0; k < nm1; k++) {
big = 0.0;
idxpiv = 0;
for (int i = k; i < n; i++) {
ip = IPS[i];
ipk = n*ip + k;
size = abs_bf(A[ipk]) * X[ip];
if (size > big) {
big = size;
idxpiv = i;
}
}
if (big == (bigfloat)0l) {
std::cout<<"simq big=0\n";
return(2);
}
if (idxpiv != k) {
int j = IPS[k];
IPS[k] = IPS[idxpiv];
IPS[idxpiv] = j;
}
kp = IPS[k];
kpk = n*kp + k;
pivot = A[kpk];
kp1 = k+1;
for (int i = kp1; i < n; i++) {
ip = IPS[i];
ipk = n*ip + k;
em = -A[ipk] / pivot;
A[ipk] = -em;
nip = n*ip;
nkp = n*kp;
aa = A.data()+nkp+kp1;
for (int j = kp1; j < n; j++) {
ipj = nip + j;
A[ipj] = A[ipj] + em * *aa++;
}
}
}
kpn = n * IPS[n-1] + n - 1; // last element of IPS[n] th row
if (A[kpn] == (bigfloat)0l) {
std::cout<<"simq A[kpn]=0\n";
return(3);
}
ip = IPS[0];
X[0] = B[ip];
for (int i = 1; i < n; i++) {
ip = IPS[i];
ipj = n * ip;
sum = 0.0;
for (int j = 0; j < i; j++) {
sum += A[ipj] * X[j];
++ipj;
}
X[i] = B[ip] - sum;
}
ipn = n * IPS[n-1] + n - 1;
X[n-1] = X[n-1] / A[ipn];
for (int iback = 1; iback < n; iback++) {
//i goes (n-1),...,1
int i = nm1 - iback;
ip = IPS[i];
nip = n*ip;
sum = 0.0;
aa = A.data()+nip+i+1;
for (int j= i + 1; j < n; j++)
sum += *aa++ * X[j];
X[i] = (X[i] - sum) / A[nip+i];
}
return(0);
}
void AlgRemezGeneral::csv(std::ostream & os) const{
os << "Numerator" << std::endl;
for(int i=0;i<=pow_n;i++){
os << getCoeffNum(i) << "*x^" << i;
if(i!=pow_n) os << " + ";
}
os << std::endl;
os << "Denominator" << std::endl;
for(int i=0;i<=pow_d;i++){
os << getCoeffDen(i) << "*x^" << i;
if(i!=pow_d) os << " + ";
}
os << std::endl;
//For a true minimax solution the errors should all be equal and the signs should oscillate +-+-+- etc
int sign;
os << "Errors at maxima: coordinate, error, (sign)" << std::endl;
for(int i=0;i<neq+1;i++){
os << mm[i] << " " << getErr(mm[i],&sign) << " (" << sign << ")" << std::endl;
}
os << "Scan over range:" << std::endl;
int npt = 60;
bigfloat dlt = (apend - apstrt)/bigfloat(npt-1);
for (bigfloat x=apstrt; x<=apend; x = x + dlt) {
double f = evaluateFunc(x);
double r = evaluateApprox(x);
os<< x<<","<<r<<","<<f<<","<<r-f<<std::endl;
}
return;
}

170
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/*
C.Kelly Jan 2020 based on implementation by M. Clark May 2005
AlgRemezGeneral is an implementation of the Remez algorithm for approximating an arbitrary function by a rational polynomial
It includes optional restriction to odd/even polynomials for the numerator and/or denominator
*/
#ifndef INCLUDED_ALG_REMEZ_GENERAL_H
#define INCLUDED_ALG_REMEZ_GENERAL_H
#include <stddef.h>
#include <Grid/GridStd.h>
#ifdef HAVE_LIBGMP
#include "bigfloat.h"
#else
#include "bigfloat_double.h"
#endif
class AlgRemezGeneral{
public:
enum PolyType { Even, Odd, Full };
private:
// In GSL-style, pass the function as a function pointer. Any data required to evaluate the function is passed in as a void pointer
bigfloat (*f)(bigfloat x, void *data);
void *data;
// The approximation parameters
std::vector<bigfloat> param;
bigfloat norm;
// The number of non-zero terms in the numerator and denominator
int n, d;
// The numerator and denominator degree (i.e. the largest power)
int pow_n, pow_d;
// Specify if the numerator and/or denominator are odd/even polynomials
PolyType num_type;
PolyType den_type;
std::vector<int> num_pows; //contains the mapping, with -1 if not present
std::vector<int> den_pows;
// The bounds of the approximation
bigfloat apstrt, apwidt, apend;
// Variables used to calculate the approximation
int nd1, iter;
std::vector<bigfloat> xx;
std::vector<bigfloat> mm;
std::vector<bigfloat> step;
bigfloat delta, spread;
// Variables used in search
std::vector<bigfloat> yy;
// Variables used in solving linear equations
std::vector<bigfloat> A;
std::vector<bigfloat> B;
std::vector<int> IPS;
// The number of equations we must solve at each iteration (n+d+1)
int neq;
// The precision of the GNU MP library
long prec;
// Initialize member variables associated with the polynomial's properties
void setupPolyProperties(int num_degree, int den_degree, PolyType num_type_in, PolyType den_type_in);
// Initial values of maximal and minmal errors
void initialGuess();
// Initialise step sizes
void stpini();
// Initialize the algorithm
void reinitializeAlgorithm();
// Solve the equations
void equations();
// Search for error maxima and minima
void search();
// Calculate function required for the approximation
inline bigfloat func(bigfloat x) const{
return f(x, data);
}
// Compute size and sign of the approximation error at x
bigfloat getErr(bigfloat x, int *sign) const;
// Solve the system AX=B where X = param
int simq();
// Evaluate the rational form P(x)/Q(x) using coefficients from the solution vector param
bigfloat approx(bigfloat x) const;
public:
AlgRemezGeneral(double lower, double upper, long prec,
bigfloat (*f)(bigfloat x, void *data), void *data);
inline int getDegree(void) const{
assert(n==d);
return n;
}
// Reset the bounds of the approximation
inline void setBounds(double lower, double upper) {
apstrt = lower;
apend = upper;
apwidt = apend - apstrt;
}
// Get the bounds of the approximation
inline void getBounds(double &lower, double &upper) const{
lower=(double)apstrt;
upper=(double)apend;
}
// Run the algorithm to generate the rational approximation
double generateApprox(int num_degree, int den_degree,
PolyType num_type, PolyType den_type,
const double tolerance = 1e-15, const int report_freq = 1000);
inline double generateApprox(int num_degree, int den_degree,
const double tolerance = 1e-15, const int report_freq = 1000){
return generateApprox(num_degree, den_degree, Full, Full, tolerance, report_freq);
}
// Evaluate the rational form P(x)/Q(x) using coefficients from the
// solution vector param
inline double evaluateApprox(double x) const{
return (double)approx((bigfloat)x);
}
// Evaluate the rational form Q(x)/P(x) using coefficients from the solution vector param
inline double evaluateInverseApprox(double x) const{
return 1.0/(double)approx((bigfloat)x);
}
// Calculate function required for the approximation
inline double evaluateFunc(double x) const{
return (double)func((bigfloat)x);
}
// Calculate inverse function required for the approximation
inline double evaluateInverseFunc(double x) const{
return 1.0/(double)func((bigfloat)x);
}
// Dump csv of function, approx and error
void csv(std::ostream &os = std::cout) const;
// Get the coefficient of the term x^i in the numerator
inline double getCoeffNum(const int i) const{
return num_pows[i] == -1 ? 0. : double(param[num_pows[i]]);
}
// Get the coefficient of the term x^i in the denominator
inline double getCoeffDen(const int i) const{
if(i == pow_d) return 1.0;
else return den_pows[i] == -1 ? 0. : double(param[den_pows[i]+n+1]);
}
};
#endif

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/algorithms/approx/ZMobius.cc
Copyright (C) 2015
Author: Christopher Kelly <ckelly@phys.columbia.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Grid/algorithms/approx/ZMobius.h>
#include <Grid/algorithms/approx/RemezGeneral.h>
NAMESPACE_BEGIN(Grid);
NAMESPACE_BEGIN(Approx);
//Compute the tanh approximation
inline double epsilonMobius(const double x, const std::vector<ComplexD> &w){
int Ls = w.size();
ComplexD fxp = 1., fmp = 1.;
for(int i=0;i<Ls;i++){
fxp = fxp * ( w[i] + x );
fmp = fmp * ( w[i] - x );
}
return ((fxp - fmp)/(fxp + fmp)).real();
}
inline double epsilonMobius(const double x, const std::vector<RealD> &w){
int Ls = w.size();
double fxp = 1., fmp = 1.;
for(int i=0;i<Ls;i++){
fxp = fxp * ( w[i] + x );
fmp = fmp * ( w[i] - x );
}
return (fxp - fmp)/(fxp + fmp);
}
//Compute the tanh approximation in a form suitable for the Remez
bigfloat epsilonMobius(bigfloat x, void* data){
const std::vector<RealD> &omega = *( (std::vector<RealD> const*)data );
bigfloat fxp(1.0);
bigfloat fmp(1.0);
for(int i=0;i<omega.size();i++){
fxp = fxp * ( bigfloat(omega[i]) + x);
fmp = fmp * ( bigfloat(omega[i]) - x);
}
return (fxp - fmp)/(fxp + fmp);
}
//Compute the Zmobius Omega parameters suitable for eigenvalue range -lambda_bound <= lambda <= lambda_bound
//Note omega_i = 1/(b_i + c_i) where b_i and c_i are the Mobius parameters
void computeZmobiusOmega(std::vector<ComplexD> &omega_out, const int Ls_out,
const std::vector<RealD> &omega_in, const int Ls_in,
const RealD lambda_bound){
assert(omega_in.size() == Ls_in);
omega_out.resize(Ls_out);
//Use the Remez algorithm to generate the appropriate rational polynomial
//For odd polynomial, to satisfy Haar condition must take either positive or negative half of range (cf https://arxiv.org/pdf/0803.0439.pdf page 6)
AlgRemezGeneral remez(0, lambda_bound, 64, &epsilonMobius, (void*)&omega_in);
remez.generateApprox(Ls_out-1, Ls_out,AlgRemezGeneral::Odd, AlgRemezGeneral::Even, 1e-15, 100);
remez.csv(std::cout);
//The rational approximation has the form [ f(x) - f(-x) ] / [ f(x) + f(-x) ] where f(x) = \Prod_{i=0}^{L_s-1} ( \omega_i + x )
//cf https://academiccommons.columbia.edu/doi/10.7916/D8T72HD7 pg 102
//omega_i are therefore the negative of the complex roots of f(x)
//We can find the roots by recognizing that the eigenvalues of a matrix A are the roots of the characteristic polynomial
// \rho(\lambda) = det( A - \lambda I ) where I is the unit matrix
//The matrix whose characteristic polynomial is an arbitrary monic polynomial a0 + a1 x + a2 x^2 + ... x^n is the companion matrix
// A = | 0 1 0 0 0 .... 0 |
// | 0 0 1 0 0 .... 0 |
// | : : : : : : |
// | 0 0 0 0 0 1
// | -a0 -a1 -a2 ... ... -an|
//Note the Remez defines the largest power to have unit coefficient
std::vector<RealD> coeffs(Ls_out+1);
for(int i=0;i<Ls_out+1;i+=2) coeffs[i] = coeffs[i] = remez.getCoeffDen(i); //even powers
for(int i=1;i<Ls_out+1;i+=2) coeffs[i] = coeffs[i] = remez.getCoeffNum(i); //odd powers
std::vector<std::complex<RealD> > roots(Ls_out);
//Form the companion matrix
Eigen::MatrixXd compn(Ls_out,Ls_out);
for(int i=0;i<Ls_out-1;i++) compn(i,0) = 0.;
compn(Ls_out - 1, 0) = -coeffs[0];
for(int j=1;j<Ls_out;j++){
for(int i=0;i<Ls_out-1;i++) compn(i,j) = i == j-1 ? 1. : 0.;
compn(Ls_out - 1, j) = -coeffs[j];
}
//Eigensolve
Eigen::EigenSolver<Eigen::MatrixXd> slv(compn, false);
const auto & ev = slv.eigenvalues();
for(int i=0;i<Ls_out;i++)
omega_out[i] = -ev(i);
//Sort ascending (smallest at start of vector!)
std::sort(omega_out.begin(), omega_out.end(),
[&](const ComplexD &a, const ComplexD &b){ return a.real() < b.real() || (a.real() == b.real() && a.imag() < b.imag()); });
//McGlynn thesis pg 122 suggest improved iteration counts if magnitude of omega diminishes towards the center of the 5th dimension
std::vector<ComplexD> omega_tmp = omega_out;
int s_low=0, s_high=Ls_out-1, ss=0;
for(int s_from = Ls_out-1; s_from >= 0; s_from--){ //loop from largest omega
int s_to;
if(ss % 2 == 0){
s_to = s_low++;
}else{
s_to = s_high--;
}
omega_out[s_to] = omega_tmp[s_from];
++ss;
}
std::cout << "Resulting omega_i:" << std::endl;
for(int i=0;i<Ls_out;i++)
std::cout << omega_out[i] << std::endl;
std::cout << "Test result matches the approximate polynomial found by the Remez" << std::endl;
std::cout << "<x> <remez approx> <poly approx> <diff poly approx remez approx> <exact> <diff poly approx exact>\n";
int npt = 60;
double dlt = lambda_bound/double(npt-1);
for (int i =0; i<npt; i++){
double x = i*dlt;
double r = remez.evaluateApprox(x);
double p = epsilonMobius(x, omega_out);
double e = epsilonMobius(x, omega_in);
std::cout << x<< " " << r << " " << p <<" " <<r-p << " " << e << " " << e-p << std::endl;
}
}
//mobius_param = b+c with b-c=1
void computeZmobiusOmega(std::vector<ComplexD> &omega_out, const int Ls_out, const RealD mobius_param, const int Ls_in, const RealD lambda_bound){
std::vector<RealD> omega_in(Ls_in, 1./mobius_param);
computeZmobiusOmega(omega_out, Ls_out, omega_in, Ls_in, lambda_bound);
}
//ZMobius class takes gamma_i = (b+c) omega_i as its input, where b, c are factored out
void computeZmobiusGamma(std::vector<ComplexD> &gamma_out,
const RealD mobius_param_out, const int Ls_out,
const RealD mobius_param_in, const int Ls_in,
const RealD lambda_bound){
computeZmobiusOmega(gamma_out, Ls_out, mobius_param_in, Ls_in, lambda_bound);
for(int i=0;i<Ls_out;i++) gamma_out[i] = gamma_out[i] * mobius_param_out;
}
//Assumes mobius_param_out == mobius_param_in
void computeZmobiusGamma(std::vector<ComplexD> &gamma_out, const int Ls_out, const RealD mobius_param, const int Ls_in, const RealD lambda_bound){
computeZmobiusGamma(gamma_out, mobius_param, Ls_out, mobius_param, Ls_in, lambda_bound);
}
NAMESPACE_END(Approx);
NAMESPACE_END(Grid);

57
Grid/algorithms/approx/ZMobius.h Normal file
View File

@ -0,0 +1,57 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/algorithms/approx/ZMobius.h
Copyright (C) 2015
Author: Christopher Kelly <ckelly@phys.columbia.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef GRID_ZMOBIUS_APPROX_H
#define GRID_ZMOBIUS_APPROX_H
#include <Grid/GridCore.h>
NAMESPACE_BEGIN(Grid);
NAMESPACE_BEGIN(Approx);
//Compute the Zmobius Omega parameters suitable for eigenvalue range -lambda_bound <= lambda <= lambda_bound
//Note omega_i = 1/(b_i + c_i) where b_i and c_i are the Mobius parameters
void computeZmobiusOmega(std::vector<ComplexD> &omega_out, const int Ls_out,
const std::vector<RealD> &omega_in, const int Ls_in,
const RealD lambda_bound);
//mobius_param = b+c with b-c=1
void computeZmobiusOmega(std::vector<ComplexD> &omega_out, const int Ls_out, const RealD mobius_param, const int Ls_in, const RealD lambda_bound);
//ZMobius class takes gamma_i = (b+c) omega_i as its input, where b, c are factored out
void computeZmobiusGamma(std::vector<ComplexD> &gamma_out,
const RealD mobius_param_out, const int Ls_out,
const RealD mobius_param_in, const int Ls_in,
const RealD lambda_bound);
//Assumes mobius_param_out == mobius_param_in
void computeZmobiusGamma(std::vector<ComplexD> &gamma_out, const int Ls_out, const RealD mobius_param, const int Ls_in, const RealD lambda_bound);
NAMESPACE_END(Approx);
NAMESPACE_END(Grid);
#endif

6
Grid/algorithms/approx/bigfloat_double.h
View File

@ -25,6 +25,10 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef INCLUDED_BIGFLOAT_DOUBLE_H
#define INCLUDED_BIGFLOAT_DOUBLE_H
#include <math.h>
typedef double mfloat;
@ -186,4 +190,6 @@ public:
// friend bigfloat& random(void);
};
#endif

222
Grid/algorithms/iterative/BiCGSTAB.h Normal file
View File

@ -0,0 +1,222 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/algorithms/iterative/BiCGSTAB.h
Copyright (C) 2015
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: paboyle <paboyle@ph.ed.ac.uk>
Author: juettner <juettner@soton.ac.uk>
Author: David Murphy <djmurphy@mit.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
#ifndef GRID_BICGSTAB_H
#define GRID_BICGSTAB_H
NAMESPACE_BEGIN(Grid);
/////////////////////////////////////////////////////////////
// Base classes for iterative processes based on operators
// single input vec, single output vec.
/////////////////////////////////////////////////////////////
template <class Field>
class BiCGSTAB : public OperatorFunction<Field>
{
public:
using OperatorFunction<Field>::operator();
bool ErrorOnNoConverge; // throw an assert when the CG fails to converge.
// Defaults true.
RealD Tolerance;
Integer MaxIterations;
Integer IterationsToComplete; //Number of iterations the CG took to finish. Filled in upon completion
BiCGSTAB(RealD tol, Integer maxit, bool err_on_no_conv = true) :
Tolerance(tol), MaxIterations(maxit), ErrorOnNoConverge(err_on_no_conv){};
void operator()(LinearOperatorBase<Field>& Linop, const Field& src, Field& psi)
{
psi.Checkerboard() = src.Checkerboard();
conformable(psi, src);
RealD cp(0), rho(1), rho_prev(0), alpha(1), beta(0), omega(1);
RealD a(0), bo(0), b(0), ssq(0);
Field p(src);
Field r(src);
Field rhat(src);
Field v(src);
Field s(src);
Field t(src);
Field h(src);
v = Zero();
p = Zero();
// Initial residual computation & set up
RealD guess = norm2(psi);
assert(std::isnan(guess) == 0);
Linop.Op(psi, v);
b = norm2(v);
r = src - v;
rhat = r;
a = norm2(r);
ssq = norm2(src);
std::cout << GridLogIterative << std::setprecision(8) << "BiCGSTAB: guess " << guess << std::endl;
std::cout << GridLogIterative << std::setprecision(8) << "BiCGSTAB: src " << ssq << std::endl;
std::cout << GridLogIterative << std::setprecision(8) << "BiCGSTAB: mp " << b << std::endl;
std::cout << GridLogIterative << std::setprecision(8) << "BiCGSTAB: r " << a << std::endl;
RealD rsq = Tolerance * Tolerance * ssq;
// Check if guess is really REALLY good :)
if(a <= rsq){ return; }
std::cout << GridLogIterative << std::setprecision(8) << "BiCGSTAB: k=0 residual " << a << " target " << rsq << std::endl;
GridStopWatch LinalgTimer;
GridStopWatch InnerTimer;
GridStopWatch AxpyNormTimer;
GridStopWatch LinearCombTimer;
GridStopWatch MatrixTimer;
GridStopWatch SolverTimer;
SolverTimer.Start();
int k;
for (k = 1; k <= MaxIterations; k++)
{
rho_prev = rho;
LinalgTimer.Start();
InnerTimer.Start();
ComplexD Crho = innerProduct(rhat,r);
InnerTimer.Stop();
rho = Crho.real();
beta = (rho / rho_prev) * (alpha / omega);
LinearCombTimer.Start();
bo = beta * omega;
auto p_v = p.View();
auto r_v = r.View();
auto v_v = v.View();
accelerator_for(ss, p_v.size(), Field::vector_object::Nsimd(),{
coalescedWrite(p_v[ss], beta*p_v(ss) - bo*v_v(ss) + r_v(ss));
});
LinearCombTimer.Stop();
LinalgTimer.Stop();
MatrixTimer.Start();
Linop.Op(p,v);
MatrixTimer.Stop();
LinalgTimer.Start();
InnerTimer.Start();
ComplexD Calpha = innerProduct(rhat,v);
InnerTimer.Stop();
alpha = rho / Calpha.real();
LinearCombTimer.Start();
auto h_v = h.View();
auto psi_v = psi.View();
accelerator_for(ss, h_v.size(), Field::vector_object::Nsimd(),{
coalescedWrite(h_v[ss], alpha*p_v(ss) + psi_v(ss));
});
auto s_v = s.View();
accelerator_for(ss, s_v.size(), Field::vector_object::Nsimd(),{
coalescedWrite(s_v[ss], -alpha*v_v(ss) + r_v(ss));
});
LinearCombTimer.Stop();
LinalgTimer.Stop();
MatrixTimer.Start();
Linop.Op(s,t);
MatrixTimer.Stop();
LinalgTimer.Start();
InnerTimer.Start();
ComplexD Comega = innerProduct(t,s);
InnerTimer.Stop();
omega = Comega.real() / norm2(t);
LinearCombTimer.Start();
auto t_v = t.View();
accelerator_for(ss, psi_v.size(), Field::vector_object::Nsimd(),{
coalescedWrite(psi_v[ss], h_v(ss) + omega * s_v(ss));
coalescedWrite(r_v[ss], -omega * t_v(ss) + s_v(ss));
});
LinearCombTimer.Stop();
cp = norm2(r);
LinalgTimer.Stop();
std::cout << GridLogIterative << "BiCGSTAB: Iteration " << k << " residual " << sqrt(cp/ssq) << " target " << Tolerance << std::endl;
// Stopping condition
if(cp <= rsq)
{
SolverTimer.Stop();
Linop.Op(psi, v);
p = v - src;
RealD srcnorm = sqrt(norm2(src));
RealD resnorm = sqrt(norm2(p));
RealD true_residual = resnorm / srcnorm;
std::cout << GridLogMessage << "BiCGSTAB Converged on iteration " << k << std::endl;
std::cout << GridLogMessage << "\tComputed residual " << sqrt(cp/ssq) << std::endl;
std::cout << GridLogMessage << "\tTrue residual " << true_residual << std::endl;
std::cout << GridLogMessage << "\tTarget " << Tolerance << std::endl;
std::cout << GridLogMessage << "Time breakdown " << std::endl;
std::cout << GridLogMessage << "\tElapsed " << SolverTimer.Elapsed() << std::endl;
std::cout << GridLogMessage << "\tMatrix " << MatrixTimer.Elapsed() << std::endl;
std::cout << GridLogMessage << "\tLinalg " << LinalgTimer.Elapsed() << std::endl;
std::cout << GridLogMessage << "\tInner " << InnerTimer.Elapsed() << std::endl;
std::cout << GridLogMessage << "\tAxpyNorm " << AxpyNormTimer.Elapsed() << std::endl;
std::cout << GridLogMessage << "\tLinearComb " << LinearCombTimer.Elapsed() << std::endl;
if(ErrorOnNoConverge){ assert(true_residual / Tolerance < 10000.0); }
IterationsToComplete = k;
return;
}
}
std::cout << GridLogMessage << "BiCGSTAB did NOT converge" << std::endl;
if(ErrorOnNoConverge){ assert(0); }
IterationsToComplete = k;
}
};
NAMESPACE_END(Grid);
#endif

158
Grid/algorithms/iterative/BiCGSTABMixedPrec.h Normal file
View File

@ -0,0 +1,158 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/algorithms/iterative/BiCGSTABMixedPrec.h
Copyright (C) 2015
Author: Christopher Kelly <ckelly@phys.columbia.edu>
Author: David Murphy <djmurphy@mit.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef GRID_BICGSTAB_MIXED_PREC_H
#define GRID_BICGSTAB_MIXED_PREC_H
NAMESPACE_BEGIN(Grid);
// Mixed precision restarted defect correction BiCGSTAB
template<class FieldD, class FieldF, typename std::enable_if< getPrecision<FieldD>::value == 2, int>::type = 0, typename std::enable_if< getPrecision<FieldF>::value == 1, int>::type = 0>
class MixedPrecisionBiCGSTAB : public LinearFunction<FieldD>
{
public:
RealD Tolerance;
RealD InnerTolerance; // Initial tolerance for inner CG. Defaults to Tolerance but can be changed
Integer MaxInnerIterations;
Integer MaxOuterIterations;
GridBase* SinglePrecGrid; // Grid for single-precision fields
RealD OuterLoopNormMult; // Stop the outer loop and move to a final double prec solve when the residual is OuterLoopNormMult * Tolerance
LinearOperatorBase<FieldF> &Linop_f;
LinearOperatorBase<FieldD> &Linop_d;
Integer TotalInnerIterations; //Number of inner CG iterations
Integer TotalOuterIterations; //Number of restarts
Integer TotalFinalStepIterations; //Number of CG iterations in final patch-up step
//Option to speed up *inner single precision* solves using a LinearFunction that produces a guess
LinearFunction<FieldF> *guesser;
MixedPrecisionBiCGSTAB(RealD tol, Integer maxinnerit, Integer maxouterit, GridBase* _sp_grid,
LinearOperatorBase<FieldF>& _Linop_f, LinearOperatorBase<FieldD>& _Linop_d) :
Linop_f(_Linop_f), Linop_d(_Linop_d), Tolerance(tol), InnerTolerance(tol), MaxInnerIterations(maxinnerit),
MaxOuterIterations(maxouterit), SinglePrecGrid(_sp_grid), OuterLoopNormMult(100.), guesser(NULL) {};
void useGuesser(LinearFunction<FieldF>& g){
guesser = &g;
}
void operator() (const FieldD& src_d_in, FieldD& sol_d)
{
TotalInnerIterations = 0;
GridStopWatch TotalTimer;
TotalTimer.Start();
int cb = src_d_in.Checkerboard();
sol_d.Checkerboard() = cb;
RealD src_norm = norm2(src_d_in);
RealD stop = src_norm * Tolerance*Tolerance;
GridBase* DoublePrecGrid = src_d_in.Grid();
FieldD tmp_d(DoublePrecGrid);
tmp_d.Checkerboard() = cb;
FieldD tmp2_d(DoublePrecGrid);
tmp2_d.Checkerboard() = cb;
FieldD src_d(DoublePrecGrid);
src_d = src_d_in; //source for next inner iteration, computed from residual during operation
RealD inner_tol = InnerTolerance;
FieldF src_f(SinglePrecGrid);
src_f.Checkerboard() = cb;
FieldF sol_f(SinglePrecGrid);
sol_f.Checkerboard() = cb;
BiCGSTAB<FieldF> CG_f(inner_tol, MaxInnerIterations);
CG_f.ErrorOnNoConverge = false;
GridStopWatch InnerCGtimer;
GridStopWatch PrecChangeTimer;
Integer &outer_iter = TotalOuterIterations; //so it will be equal to the final iteration count
for(outer_iter = 0; outer_iter < MaxOuterIterations; outer_iter++)
{
// Compute double precision rsd and also new RHS vector.
Linop_d.Op(sol_d, tmp_d);
RealD norm = axpy_norm(src_d, -1., tmp_d, src_d_in); //src_d is residual vector
std::cout << GridLogMessage << "MixedPrecisionBiCGSTAB: Outer iteration " << outer_iter << " residual " << norm << " target " << stop << std::endl;
if(norm < OuterLoopNormMult * stop){
std::cout << GridLogMessage << "MixedPrecisionBiCGSTAB: Outer iteration converged on iteration " << outer_iter << std::endl;
break;
}
while(norm * inner_tol * inner_tol < stop){ inner_tol *= 2; } // inner_tol = sqrt(stop/norm) ??
PrecChangeTimer.Start();
precisionChange(src_f, src_d);
PrecChangeTimer.Stop();
sol_f = Zero();
//Optionally improve inner solver guess (eg using known eigenvectors)
if(guesser != NULL){ (*guesser)(src_f, sol_f); }
//Inner CG
CG_f.Tolerance = inner_tol;
InnerCGtimer.Start();
CG_f(Linop_f, src_f, sol_f);
InnerCGtimer.Stop();
TotalInnerIterations += CG_f.IterationsToComplete;
//Convert sol back to double and add to double prec solution
PrecChangeTimer.Start();
precisionChange(tmp_d, sol_f);
PrecChangeTimer.Stop();
axpy(sol_d, 1.0, tmp_d, sol_d);
}
//Final trial CG
std::cout << GridLogMessage << "MixedPrecisionBiCGSTAB: Starting final patch-up double-precision solve" << std::endl;
BiCGSTAB<FieldD> CG_d(Tolerance, MaxInnerIterations);
CG_d(Linop_d, src_d_in, sol_d);
TotalFinalStepIterations = CG_d.IterationsToComplete;
TotalTimer.Stop();
std::cout << GridLogMessage << "MixedPrecisionBiCGSTAB: Inner CG iterations " << TotalInnerIterations << " Restarts " << TotalOuterIterations << " Final CG iterations " << TotalFinalStepIterations << std::endl;
std::cout << GridLogMessage << "MixedPrecisionBiCGSTAB: Total time " << TotalTimer.Elapsed() << " Precision change " << PrecChangeTimer.Elapsed() << " Inner CG total " << InnerCGtimer.Elapsed() << std::endl;
}
};
NAMESPACE_END(Grid);
#endif

12
Grid/algorithms/iterative/BlockConjugateGradient.h
View File

@ -52,6 +52,7 @@ class BlockConjugateGradient : public OperatorFunction<Field> {
Integer MaxIterations;
Integer IterationsToComplete; //Number of iterations the CG took to finish. Filled in upon completion
Integer PrintInterval; //GridLogMessages or Iterative
RealD TrueResidual;
BlockConjugateGradient(BlockCGtype cgtype,int _Orthog,RealD tol, Integer maxit, bool err_on_no_conv = true)
: Tolerance(tol), CGtype(cgtype), blockDim(_Orthog), MaxIterations(maxit), ErrorOnNoConverge(err_on_no_conv),PrintInterval(100)
@ -306,7 +307,8 @@ void BlockCGrQsolve(LinearOperatorBase<Field> &Linop, const Field &B, Field &X)
Linop.HermOp(X, AD);
AD = AD-B;
std::cout << GridLogMessage <<"\t True residual is " << std::sqrt(norm2(AD)/norm2(B)) <<std::endl;
TrueResidual = std::sqrt(norm2(AD)/norm2(B));
std::cout << GridLogMessage <<"\tTrue residual is " << TrueResidual <<std::endl;
std::cout << GridLogMessage << "Time Breakdown "<<std::endl;
std::cout << GridLogMessage << "\tElapsed " << SolverTimer.Elapsed() <<std::endl;
@ -442,7 +444,8 @@ void CGmultiRHSsolve(LinearOperatorBase<Field> &Linop, const Field &Src, Field &
Linop.HermOp(Psi, AP);
AP = AP-Src;
std::cout <<GridLogMessage << "\tTrue residual is " << std::sqrt(norm2(AP)/norm2(Src)) <<std::endl;
TrueResidual = std::sqrt(norm2(AP)/norm2(Src));
std::cout <<GridLogMessage << "\tTrue residual is " << TrueResidual <<std::endl;
std::cout << GridLogMessage << "Time Breakdown "<<std::endl;
std::cout << GridLogMessage << "\tElapsed " << SolverTimer.Elapsed() <<std::endl;
@ -653,7 +656,7 @@ void BlockCGrQsolveVec(LinearOperatorBase<Field> &Linop, const std::vector<Field
if ( rr > max_resid ) max_resid = rr;
}
std::cout << GridLogIterative << "\t Block Iteration "<<k<<" ave resid "<< sqrt(rrsum/sssum) << " max "<< sqrt(max_resid) <<std::endl;
std::cout << GridLogIterative << "\t Block Iteration "<<k<<" ave resid "<< std::sqrt(rrsum/sssum) << " max "<< std::sqrt(max_resid) <<std::endl;
if ( max_resid < Tolerance*Tolerance ) {
@ -668,7 +671,8 @@ void BlockCGrQsolveVec(LinearOperatorBase<Field> &Linop, const std::vector<Field
for(int b=0;b<Nblock;b++) Linop.HermOp(X[b], AD[b]);
for(int b=0;b<Nblock;b++) AD[b] = AD[b]-B[b];
std::cout << GridLogMessage <<"\t True residual is " << std::sqrt(normv(AD)/normv(B)) <<std::endl;
TrueResidual = std::sqrt(normv(AD)/normv(B));
std::cout << GridLogMessage << "\tTrue residual is " << TrueResidual <<std::endl;
std::cout << GridLogMessage << "Time Breakdown "<<std::endl;
std::cout << GridLogMessage << "\tElapsed " << SolverTimer.Elapsed() <<std::endl;

42
Grid/algorithms/iterative/ConjugateGradient.h
View File

@ -49,6 +49,7 @@ public:
RealD Tolerance;
Integer MaxIterations;
Integer IterationsToComplete; //Number of iterations the CG took to finish. Filled in upon completion
RealD TrueResidual;
ConjugateGradient(RealD tol, Integer maxit, bool err_on_no_conv = true)
: Tolerance(tol),
@ -72,7 +73,6 @@ public:
RealD guess = norm2(psi);
assert(std::isnan(guess) == 0);
Linop.HermOpAndNorm(psi, mmp, d, b);
r = src - mmp;
@ -82,6 +82,14 @@ public:
cp = a;
ssq = norm2(src);
// Handle trivial case of zero src
if (ssq == 0.){
psi = Zero();
IterationsToComplete = 1;
TrueResidual = 0.;
return;
}
std::cout << GridLogIterative << std::setprecision(8) << "ConjugateGradient: guess " << guess << std::endl;
std::cout << GridLogIterative << std::setprecision(8) << "ConjugateGradient: src " << ssq << std::endl;
std::cout << GridLogIterative << std::setprecision(8) << "ConjugateGradient: mp " << d << std::endl;
@ -93,6 +101,7 @@ public:
// Check if guess is really REALLY good :)
if (cp <= rsq) {
TrueResidual = std::sqrt(a/ssq);
std::cout << GridLogMessage << "ConjugateGradient guess is converged already " << std::endl;
IterationsToComplete = 0;
return;
@ -142,7 +151,7 @@ public:
LinalgTimer.Stop();
std::cout << GridLogIterative << "ConjugateGradient: Iteration " << k
<< " residual^2 " << sqrt(cp/ssq) << " target " << Tolerance << std::endl;
<< " residual " << sqrt(cp/ssq) << " target " << Tolerance << std::endl;
// Stopping condition
if (cp <= rsq) {
@ -154,26 +163,33 @@ public:
RealD resnorm = std::sqrt(norm2(p));
RealD true_residual = resnorm / srcnorm;
std::cout << GridLogMessage << "ConjugateGradient Converged on iteration " << k << std::endl;
std::cout << GridLogMessage << "\tComputed residual " << std::sqrt(cp / ssq)<<std::endl;
std::cout << GridLogMessage << "\tTrue residual " << true_residual<<std::endl;
std::cout << GridLogMessage << "\tTarget " << Tolerance << std::endl;
std::cout << GridLogMessage << "ConjugateGradient Converged on iteration " << k
<< "\tComputed residual " << std::sqrt(cp / ssq)
<< "\tTrue residual " << true_residual
<< "\tTarget " << Tolerance << std::endl;
std::cout << GridLogMessage << "Time breakdown "<<std::endl;
std::cout << GridLogMessage << "\tElapsed " << SolverTimer.Elapsed() <<std::endl;
std::cout << GridLogMessage << "\tMatrix " << MatrixTimer.Elapsed() <<std::endl;
std::cout << GridLogMessage << "\tLinalg " << LinalgTimer.Elapsed() <<std::endl;
std::cout << GridLogMessage << "\tInner " << InnerTimer.Elapsed() <<std::endl;
std::cout << GridLogMessage << "\tAxpyNorm " << AxpyNormTimer.Elapsed() <<std::endl;
std::cout << GridLogMessage << "\tLinearComb " << LinearCombTimer.Elapsed() <<std::endl;
std::cout << GridLogIterative << "Time breakdown "<<std::endl;
std::cout << GridLogIterative << "\tElapsed " << SolverTimer.Elapsed() <<std::endl;
std::cout << GridLogIterative << "\tMatrix " << MatrixTimer.Elapsed() <<std::endl;
std::cout << GridLogIterative << "\tLinalg " << LinalgTimer.Elapsed() <<std::endl;
std::cout << GridLogIterative << "\tInner " << InnerTimer.Elapsed() <<std::endl;
std::cout << GridLogIterative << "\tAxpyNorm " << AxpyNormTimer.Elapsed() <<std::endl;
std::cout << GridLogIterative << "\tLinearComb " << LinearCombTimer.Elapsed() <<std::endl;
if (ErrorOnNoConverge) assert(true_residual / Tolerance < 10000.0);
IterationsToComplete = k;
TrueResidual = true_residual;
return;
}
}
// Failed. Calculate true residual before giving up
Linop.HermOpAndNorm(psi, mmp, d, qq);
p = mmp - src;
TrueResidual = sqrt(norm2(p)/ssq);
std::cout << GridLogMessage << "ConjugateGradient did NOT converge "<<k<<" / "<< MaxIterations<< std::endl;
if (ErrorOnNoConverge) assert(0);

19
Grid/algorithms/iterative/ConjugateGradientMultiShift.h
View File

@ -47,14 +47,18 @@ public:
RealD Tolerance;
Integer MaxIterations;
Integer IterationsToComplete; //Number of iterations the CG took to finish. Filled in upon completion
std::vector<int> IterationsToCompleteShift; // Iterations for this shift
int verbose;
MultiShiftFunction shifts;
std::vector<RealD> TrueResidualShift;
ConjugateGradientMultiShift(Integer maxit,MultiShiftFunction &_shifts) :
MaxIterations(maxit),
shifts(_shifts)
{
verbose=1;
IterationsToCompleteShift.resize(_shifts.order);
TrueResidualShift.resize(_shifts.order);
}
void operator() (LinearOperatorBase<Field> &Linop, const Field &src, Field &psi)
@ -125,6 +129,17 @@ public:
// Residuals "r" are src
// First search direction "p" is also src
cp = norm2(src);
// Handle trivial case of zero src.
if( cp == 0. ){
for(int s=0;s<nshift;s++){
psi[s] = Zero();
IterationsToCompleteShift[s] = 1;
TrueResidualShift[s] = 0.;
}
return;
}
for(int s=0;s<nshift;s++){
rsq[s] = cp * mresidual[s] * mresidual[s];
std::cout<<GridLogMessage<<"ConjugateGradientMultiShift: shift "<<s
@ -270,6 +285,7 @@ public:
for(int s=0;s<nshift;s++){
if ( (!converged[s]) ){
IterationsToCompleteShift[s] = k;
RealD css = c * z[s][iz]* z[s][iz];
@ -299,7 +315,8 @@ public:
axpy(r,-alpha[s],src,tmp);
RealD rn = norm2(r);
RealD cn = norm2(src);
std::cout<<GridLogMessage<<"CGMultiShift: shift["<<s<<"] true residual "<<std::sqrt(rn/cn)<<std::endl;
TrueResidualShift[s] = std::sqrt(rn/cn);
std::cout<<GridLogMessage<<"CGMultiShift: shift["<<s<<"] true residual "<< TrueResidualShift[s] <<std::endl;
}
std::cout << GridLogMessage << "Time Breakdown "<<std::endl;

123
Grid/algorithms/iterative/ImplicitlyRestartedLanczos.h
View File

@ -43,6 +43,11 @@ NAMESPACE_BEGIN(Grid);
template<class Field>
void basisOrthogonalize(std::vector<Field> &basis,Field &w,int k)
{
// If assume basis[j] are already orthonormal,
// can take all inner products in parallel saving 2x bandwidth
// Save 3x bandwidth on the second line of loop.
// perhaps 2.5x speed up.
// 2x overall in Multigrid Lanczos
for(int j=0; j<k; ++j){
auto ip = innerProduct(basis[j],w);
w = w - ip*basis[j];
@ -54,16 +59,15 @@ void basisRotate(std::vector<Field> &basis,Eigen::MatrixXd& Qt,int j0, int j1, i
{
typedef decltype(basis[0].View()) View;
auto tmp_v = basis[0].View();
std::vector<View> basis_v(basis.size(),tmp_v);
Vector<View> basis_v(basis.size(),tmp_v);
typedef typename Field::vector_object vobj;
GridBase* grid = basis[0].Grid();
for(int k=0;k<basis.size();k++){
basis_v[k] = basis[k].View();
}
#if 0
std::vector < vobj , commAllocator<vobj> > Bt(thread_max() * Nm); // Thread private
thread_region
{
vobj* B = Bt.data() + Nm * thread_num();
@ -81,24 +85,89 @@ void basisRotate(std::vector<Field> &basis,Eigen::MatrixXd& Qt,int j0, int j1, i
}
});
}
#else
int nrot = j1-j0;
uint64_t oSites =grid->oSites();
uint64_t siteBlock=(grid->oSites()+nrot-1)/nrot; // Maximum 1 additional vector overhead
// printf("BasisRotate %d %d nrot %d siteBlock %d\n",j0,j1,nrot,siteBlock);
Vector <vobj> Bt(siteBlock * nrot);
auto Bp=&Bt[0];
// GPU readable copy of Eigen matrix
Vector<double> Qt_jv(Nm*Nm);
double *Qt_p = & Qt_jv[0];
for(int k=0;k<Nm;++k){
for(int j=0;j<Nm;++j){
Qt_p[j*Nm+k]=Qt(j,k);
}
}
// Block the loop to keep storage footprint down
vobj zz=Zero();
for(uint64_t s=0;s<oSites;s+=siteBlock){
// remaining work in this block
int ssites=MIN(siteBlock,oSites-s);
// zero out the accumulators
accelerator_for(ss,siteBlock*nrot,vobj::Nsimd(),{
auto z=coalescedRead(zz);
coalescedWrite(Bp[ss],z);
});
accelerator_for(sj,ssites*nrot,vobj::Nsimd(),{
int j =sj%nrot;
int jj =j0+j;
int ss =sj/nrot;
int sss=ss+s;
for(int k=k0; k<k1; ++k){
auto tmp = coalescedRead(Bp[ss*nrot+j]);
coalescedWrite(Bp[ss*nrot+j],tmp+ Qt_p[jj*Nm+k] * coalescedRead(basis_v[k][sss]));
}
});
accelerator_for(sj,ssites*nrot,vobj::Nsimd(),{
int j =sj%nrot;
int jj =j0+j;
int ss =sj/nrot;
int sss=ss+s;
coalescedWrite(basis_v[jj][sss],coalescedRead(Bp[ss*nrot+j]));
});
}
#endif
}
// Extract a single rotated vector
template<class Field>
void basisRotateJ(Field &result,std::vector<Field> &basis,Eigen::MatrixXd& Qt,int j, int k0,int k1,int Nm)
{
typedef decltype(basis[0].View()) View;
typedef typename Field::vector_object vobj;
GridBase* grid = basis[0].Grid();
result.Checkerboard() = basis[0].Checkerboard();
auto result_v=result.View();
thread_for(ss, grid->oSites(),{
vobj B = Zero();
for(int k=k0; k<k1; ++k){
auto basis_k = basis[k].View();
B +=Qt(j,k) * basis_k[ss];
Vector<View> basis_v(basis.size(),result_v);
for(int k=0;k<basis.size();k++){
basis_v[k] = basis[k].View();
}
result_v[ss] = B;
vobj zz=Zero();
Vector<double> Qt_jv(Nm);
double * Qt_j = & Qt_jv[0];
for(int k=0;k<Nm;++k) Qt_j[k]=Qt(j,k);
accelerator_for(ss, grid->oSites(),vobj::Nsimd(),{
auto B=coalescedRead(zz);
for(int k=k0; k<k1; ++k){
B +=Qt_j[k] * coalescedRead(basis_v[k][ss]);
}
coalescedWrite(result_v[ss], B);
});
}
@ -282,7 +351,7 @@ public:
RealD _eresid, // resid in lmdue deficit
int _MaxIter, // Max iterations
RealD _betastp=0.0, // if beta(k) < betastp: converged
int _MinRestart=1, int _orth_period = 1,
int _MinRestart=0, int _orth_period = 1,
IRLdiagonalisation _diagonalisation= IRLdiagonaliseWithEigen) :
SimpleTester(HermOp), _PolyOp(PolyOp), _HermOp(HermOp), _Tester(Tester),
Nstop(_Nstop) , Nk(_Nk), Nm(_Nm),
@ -298,7 +367,7 @@ public:
RealD _eresid, // resid in lmdue deficit
int _MaxIter, // Max iterations
RealD _betastp=0.0, // if beta(k) < betastp: converged
int _MinRestart=1, int _orth_period = 1,
int _MinRestart=0, int _orth_period = 1,
IRLdiagonalisation _diagonalisation= IRLdiagonaliseWithEigen) :
SimpleTester(HermOp), _PolyOp(PolyOp), _HermOp(HermOp), _Tester(SimpleTester),
Nstop(_Nstop) , Nk(_Nk), Nm(_Nm),
@ -347,7 +416,7 @@ until convergence
GridBase *grid = src.Grid();
assert(grid == evec[0].Grid());
GridLogIRL.TimingMode(1);
// GridLogIRL.TimingMode(1);
std::cout << GridLogIRL <<"**************************************************************************"<< std::endl;
std::cout << GridLogIRL <<" ImplicitlyRestartedLanczos::calc() starting iteration 0 / "<< MaxIter<< std::endl;
std::cout << GridLogIRL <<"**************************************************************************"<< std::endl;
@ -372,14 +441,17 @@ until convergence
{
auto src_n = src;
auto tmp = src;
std::cout << GridLogIRL << " IRL source norm " << norm2(src) << std::endl;
const int _MAX_ITER_IRL_MEVAPP_ = 50;
for (int i=0;i<_MAX_ITER_IRL_MEVAPP_;i++) {
normalise(src_n);
_HermOp(src_n,tmp);
// std::cout << GridLogMessage<< tmp<<std::endl; exit(0);
// std::cout << GridLogIRL << " _HermOp " << norm2(tmp) << std::endl;
RealD vnum = real(innerProduct(src_n,tmp)); // HermOp.
RealD vden = norm2(src_n);
RealD na = vnum/vden;
if (fabs(evalMaxApprox/na - 1.0) < 0.05)
if (fabs(evalMaxApprox/na - 1.0) < 0.0001)
i=_MAX_ITER_IRL_MEVAPP_;
evalMaxApprox = na;
std::cout << GridLogIRL << " Approximation of largest eigenvalue: " << evalMaxApprox << std::endl;
@ -577,11 +649,11 @@ until convergence
/* Saad PP. 195
1. Choose an initial vector v1 of 2-norm unity. Set β1 ≡ 0, v0 ≡ 0
2. For k = 1,2,...,m Do:
3. wk:=Avk−βkv_{k−1}
4. αk:=(wk,vk) //
5. wk:=wk−αkvk // wk orthog vk
6. βk+1 := ∥wk∥2. If βk+1 = 0 then Stop
7. vk+1 := wk/βk+1
3. wk:=Avk - b_k v_{k-1}
4. ak:=(wk,vk) //
5. wk:=wk-akvk // wk orthog vk
6. bk+1 := ||wk||_2. If b_k+1 = 0 then Stop
7. vk+1 := wk/b_k+1
8. EndDo
*/
void step(std::vector<RealD>& lmd,
@ -589,6 +661,7 @@ until convergence
std::vector<Field>& evec,
Field& w,int Nm,int k)
{
std::cout<<GridLogIRL << "Lanczos step " <<k<<std::endl;
const RealD tiny = 1.0e-20;
assert( k< Nm );
@ -600,20 +673,20 @@ until convergence
if(k>0) w -= lme[k-1] * evec[k-1];
ComplexD zalph = innerProduct(evec_k,w); // 4. αk:=(wk,vk)
ComplexD zalph = innerProduct(evec_k,w);
RealD alph = real(zalph);
w = w - alph * evec_k;// 5. wk:=wk−αkvk
w = w - alph * evec_k;
RealD beta = normalise(w); // 6. βk+1 := ∥wk∥2. If βk+1 = 0 then Stop
// 7. vk+1 := wk/βk+1
RealD beta = normalise(w);
lmd[k] = alph;
lme[k] = beta;
if (k>0 && k % orth_period == 0) {
if ( (k>0) && ( (k % orth_period) == 0 )) {
std::cout<<GridLogIRL << "Orthogonalising " <<k<<std::endl;
orthogonalize(w,evec,k); // orthonormalise
std::cout<<GridLogIRL << "Orthogonalised " <<std::endl;
std::cout<<GridLogIRL << "Orthogonalised " <<k<<std::endl;
}
if(k < Nm-1) evec[k+1] = w;
@ -621,6 +694,8 @@ until convergence
std::cout<<GridLogIRL << "alpha[" << k << "] = " << zalph << " beta[" << k << "] = "<<beta<<std::endl;
if ( beta < tiny )
std::cout<<GridLogIRL << " beta is tiny "<<beta<<std::endl;
std::cout<<GridLogIRL << "Lanczos step complete " <<k<<std::endl;
}
void diagonalize_Eigen(std::vector<RealD>& lmd, std::vector<RealD>& lme,

62
Grid/algorithms/iterative/NormalEquations.h
View File

@ -33,25 +33,77 @@ NAMESPACE_BEGIN(Grid);
///////////////////////////////////////////////////////////////////////////////////////////////////////
// Take a matrix and form an NE solver calling a Herm solver
///////////////////////////////////////////////////////////////////////////////////////////////////////
template<class Field> class NormalEquations : public OperatorFunction<Field>{
template<class Field> class NormalEquations {
private:
SparseMatrixBase<Field> & _Matrix;
OperatorFunction<Field> & _HermitianSolver;
LinearFunction<Field> & _Guess;
public:
/////////////////////////////////////////////////////
// Wrap the usual normal equations trick
/////////////////////////////////////////////////////
NormalEquations(SparseMatrixBase<Field> &Matrix, OperatorFunction<Field> &HermitianSolver)
: _Matrix(Matrix), _HermitianSolver(HermitianSolver) {};
NormalEquations(SparseMatrixBase<Field> &Matrix, OperatorFunction<Field> &HermitianSolver,
LinearFunction<Field> &Guess)
: _Matrix(Matrix), _HermitianSolver(HermitianSolver), _Guess(Guess) {};
void operator() (const Field &in, Field &out){
Field src(in.Grid());
Field tmp(in.Grid());
MdagMLinearOperator<SparseMatrixBase<Field>,Field> MdagMOp(_Matrix);
_Matrix.Mdag(in,src);
_HermitianSolver(src,out); // Mdag M out = Mdag in
_Guess(src,out);
_HermitianSolver(MdagMOp,src,out); // Mdag M out = Mdag in
}
};
template<class Field> class HPDSolver {
private:
LinearOperatorBase<Field> & _Matrix;
OperatorFunction<Field> & _HermitianSolver;
LinearFunction<Field> & _Guess;
public:
/////////////////////////////////////////////////////
// Wrap the usual normal equations trick
/////////////////////////////////////////////////////
HPDSolver(LinearOperatorBase<Field> &Matrix,
OperatorFunction<Field> &HermitianSolver,
LinearFunction<Field> &Guess)
: _Matrix(Matrix), _HermitianSolver(HermitianSolver), _Guess(Guess) {};
void operator() (const Field &in, Field &out){
_Guess(in,out);
_HermitianSolver(_Matrix,in,out); // Mdag M out = Mdag in
}
};
template<class Field> class MdagMSolver {
private:
SparseMatrixBase<Field> & _Matrix;
OperatorFunction<Field> & _HermitianSolver;
LinearFunction<Field> & _Guess;
public:
/////////////////////////////////////////////////////
// Wrap the usual normal equations trick
/////////////////////////////////////////////////////
MdagMSolver(SparseMatrixBase<Field> &Matrix, OperatorFunction<Field> &HermitianSolver,
LinearFunction<Field> &Guess)
: _Matrix(Matrix), _HermitianSolver(HermitianSolver), _Guess(Guess) {};
void operator() (const Field &in, Field &out){
MdagMLinearOperator<SparseMatrixBase<Field>,Field> MdagMOp(_Matrix);
_Guess(in,out);
_HermitianSolver(MdagMOp,in,out); // Mdag M out = Mdag in
}
};

4
Grid/algorithms/iterative/PowerMethod.h
View File

@ -30,12 +30,12 @@ template<class Field> class PowerMethod
RealD vden = norm2(src_n);
RealD na = vnum/vden;
if ( (fabs(evalMaxApprox/na - 1.0) < 0.01) || (i==_MAX_ITER_EST_-1) ) {
if ( (fabs(evalMaxApprox/na - 1.0) < 0.001) || (i==_MAX_ITER_EST_-1) ) {
evalMaxApprox = na;
std::cout << GridLogMessage << " Approximation of largest eigenvalue: " << evalMaxApprox << std::endl;
return evalMaxApprox;
}
evalMaxApprox = na;
std::cout << GridLogMessage << " Approximation of largest eigenvalue: " << evalMaxApprox << std::endl;
src_n = tmp;
}
assert(0);

70
Grid/algorithms/iterative/PrecGeneralisedConjugateResidual.h
View File

@ -38,10 +38,11 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
///////////////////////////////////////////////////////////////////////////////////////////////////////
NAMESPACE_BEGIN(Grid);
#define GCRLogLevel std::cout << GridLogMessage <<std::string(level,'\t')<< " Level "<<level<<" "
template<class Field>
class PrecGeneralisedConjugateResidual : public OperatorFunction<Field> {
class PrecGeneralisedConjugateResidual : public LinearFunction<Field> {
public:
using OperatorFunction<Field>::operator();
RealD Tolerance;
Integer MaxIterations;
@ -49,23 +50,29 @@ public:
int mmax;
int nstep;
int steps;
int level;
GridStopWatch PrecTimer;
GridStopWatch MatTimer;
GridStopWatch LinalgTimer;
LinearFunction<Field> &Preconditioner;
LinearOperatorBase<Field> &Linop;
PrecGeneralisedConjugateResidual(RealD tol,Integer maxit,LinearFunction<Field> &Prec,int _mmax,int _nstep) :
void Level(int lv) { level=lv; };
PrecGeneralisedConjugateResidual(RealD tol,Integer maxit,LinearOperatorBase<Field> &_Linop,LinearFunction<Field> &Prec,int _mmax,int _nstep) :
Tolerance(tol),
MaxIterations(maxit),
Linop(_Linop),
Preconditioner(Prec),
mmax(_mmax),
nstep(_nstep)
{
level=1;
verbose=1;
};
void operator() (LinearOperatorBase<Field> &Linop,const Field &src, Field &psi){
void operator() (const Field &src, Field &psi){
psi=Zero();
RealD cp, ssq,rsq;
@ -84,9 +91,9 @@ public:
steps=0;
for(int k=0;k<MaxIterations;k++){
cp=GCRnStep(Linop,src,psi,rsq);
cp=GCRnStep(src,psi,rsq);
std::cout<<GridLogMessage<<"VPGCR("<<mmax<<","<<nstep<<") "<< steps <<" steps cp = "<<cp<<" target "<<rsq <<std::endl;
GCRLogLevel <<"PGCR("<<mmax<<","<<nstep<<") "<< steps <<" steps cp = "<<cp<<" target "<<rsq <<std::endl;
if(cp<rsq) {
@ -95,24 +102,26 @@ public:
Linop.HermOp(psi,r);
axpy(r,-1.0,src,r);
RealD tr = norm2(r);
std::cout<<GridLogMessage<<"PrecGeneralisedConjugateResidual: Converged on iteration " <<steps
GCRLogLevel<<"PGCR: Converged on iteration " <<steps
<< " computed residual "<<sqrt(cp/ssq)
<< " true residual " <<sqrt(tr/ssq)
<< " target " <<Tolerance <<std::endl;
std::cout<<GridLogMessage<<"VPGCR Time elapsed: Total "<< SolverTimer.Elapsed() <<std::endl;
std::cout<<GridLogMessage<<"VPGCR Time elapsed: Precon "<< PrecTimer.Elapsed() <<std::endl;
std::cout<<GridLogMessage<<"VPGCR Time elapsed: Matrix "<< MatTimer.Elapsed() <<std::endl;
std::cout<<GridLogMessage<<"VPGCR Time elapsed: Linalg "<< LinalgTimer.Elapsed() <<std::endl;
GCRLogLevel<<"PGCR Time elapsed: Total "<< SolverTimer.Elapsed() <<std::endl;
/*
GCRLogLevel<<"PGCR Time elapsed: Precon "<< PrecTimer.Elapsed() <<std::endl;
GCRLogLevel<<"PGCR Time elapsed: Matrix "<< MatTimer.Elapsed() <<std::endl;
GCRLogLevel<<"PGCR Time elapsed: Linalg "<< LinalgTimer.Elapsed() <<std::endl;
*/
return;
}
}
std::cout<<GridLogMessage<<"Variable Preconditioned GCR did not converge"<<std::endl;
assert(0);
GCRLogLevel<<"Variable Preconditioned GCR did not converge"<<std::endl;
// assert(0);
}
RealD GCRnStep(LinearOperatorBase<Field> &Linop,const Field &src, Field &psi,RealD rsq){
RealD GCRnStep(const Field &src, Field &psi,RealD rsq){
RealD cp;
RealD a, b;
@ -134,9 +143,7 @@ public:
std::vector<Field> p(mmax,grid);
std::vector<RealD> qq(mmax);
std::cout<<GridLogIterative<< " ************** "<< std::endl;
std::cout<<GridLogIterative<< " GCRnStep("<<nstep<<")"<<std::endl;
std::cout<<GridLogIterative<< " ************** "<< std::endl;
GCRLogLevel<< "PGCR nStep("<<nstep<<")"<<std::endl;
//////////////////////////////////
// initial guess x0 is taken as nonzero.
@ -150,35 +157,15 @@ public:
LinalgTimer.Start();
r=src-Az;
LinalgTimer.Stop();
std::cout<<GridLogIterative<< " GCRnStep true residual r = src - A psi "<<norm2(r) <<std::endl;
GCRLogLevel<< "PGCR true residual r = src - A psi "<<norm2(r) <<std::endl;
/////////////////////
// p = Prec(r)
/////////////////////
std::cout<<GridLogIterative<< " GCRnStep apply preconditioner z= M^-1 r "<< std::endl;
std::cout<<GridLogIterative<< " --------------------------------------- "<< std::endl;
PrecTimer.Start();
Preconditioner(r,z);
PrecTimer.Stop();
std::cout<<GridLogIterative<< " --------------------------------------- "<< std::endl;
std::cout<<GridLogIterative<< " GCRnStep called Preconditioner z "<< norm2(z) <<std::endl;
// MatTimer.Start();
// Linop.HermOp(z,tmp);
// MatTimer.Stop();
// LinalgTimer.Start();
// ttmp=tmp;
// tmp=tmp-r;
// LinalgTimer.Stop();
/*
std::cout<<GridLogMessage<<r<<std::endl;
std::cout<<GridLogMessage<<z<<std::endl;
std::cout<<GridLogMessage<<ttmp<<std::endl;
std::cout<<GridLogMessage<<tmp<<std::endl;
*/
MatTimer.Start();
Linop.HermOpAndNorm(z,Az,zAz,zAAz);
@ -190,7 +177,6 @@ public:
p[0]= z;
q[0]= Az;
qq[0]= zAAz;
std::cout<<GridLogIterative<< " GCRnStep p0=z, q0 = A p0 " <<std::endl;
cp =norm2(r);
LinalgTimer.Stop();
@ -212,20 +198,16 @@ public:
cp = axpy_norm(r,-a,q[peri_k],r);
LinalgTimer.Stop();
std::cout<<GridLogMessage<< " VPGCR_step["<<steps<<"] resid " << cp << " target " <<rsq<<std::endl;
GCRLogLevel<< "PGCR step["<<steps<<"] resid " << cp << " target " <<rsq<<std::endl;
if((k==nstep-1)||(cp<rsq)){
return cp;
}
std::cout<<GridLogIterative<< " GCRnStep apply preconditioner z= M^-1 r "<< std::endl;
std::cout<<GridLogIterative<< " --------------------------------------- "<< std::endl;
PrecTimer.Start();
Preconditioner(r,z);// solve Az = r
PrecTimer.Stop();
std::cout<<GridLogIterative<< " --------------------------------------- "<< std::endl;
std::cout<<GridLogIterative<< " GCRnStep called Preconditioner z "<< norm2(z) <<std::endl;
MatTimer.Start();
Linop.HermOpAndNorm(z,Az,zAz,zAAz);

135
Grid/algorithms/iterative/SchurRedBlack.h
View File

@ -405,6 +405,70 @@ namespace Grid {
}
};
template<class Field> class NonHermitianSchurRedBlackDiagMooeeSolve : public SchurRedBlackBase<Field>
{
public:
typedef CheckerBoardedSparseMatrixBase<Field> Matrix;
NonHermitianSchurRedBlackDiagMooeeSolve(OperatorFunction<Field>& RBSolver, const bool initSubGuess = false,
const bool _solnAsInitGuess = false)
: SchurRedBlackBase<Field>(RBSolver, initSubGuess, _solnAsInitGuess) {};
//////////////////////////////////////////////////////
// Override RedBlack specialisation
//////////////////////////////////////////////////////
virtual void RedBlackSource(Matrix& _Matrix, const Field& src, Field& src_e, Field& src_o)
{
GridBase* grid = _Matrix.RedBlackGrid();
GridBase* fgrid = _Matrix.Grid();
Field tmp(grid);
Field Mtmp(grid);
pickCheckerboard(Even, src_e, src);
pickCheckerboard(Odd , src_o, src);
/////////////////////////////////////////////////////
// src_o = Mdag * (source_o - Moe MeeInv source_e)
/////////////////////////////////////////////////////
_Matrix.MooeeInv(src_e, tmp); assert( tmp.Checkerboard() == Even );
_Matrix.Meooe (tmp, Mtmp); assert( Mtmp.Checkerboard() == Odd );
src_o -= Mtmp; assert( src_o.Checkerboard() == Odd );
}
virtual void RedBlackSolution(Matrix& _Matrix, const Field& sol_o, const Field& src_e, Field& sol)
{
GridBase* grid = _Matrix.RedBlackGrid();
GridBase* fgrid = _Matrix.Grid();
Field tmp(grid);
Field sol_e(grid);
Field src_e_i(grid);
///////////////////////////////////////////////////
// sol_e = M_ee^-1 * ( src_e - Meo sol_o )...
///////////////////////////////////////////////////
_Matrix.Meooe(sol_o, tmp); assert( tmp.Checkerboard() == Even );
src_e_i = src_e - tmp; assert( src_e_i.Checkerboard() == Even );
_Matrix.MooeeInv(src_e_i, sol_e); assert( sol_e.Checkerboard() == Even );
setCheckerboard(sol, sol_e); assert( sol_e.Checkerboard() == Even );
setCheckerboard(sol, sol_o); assert( sol_o.Checkerboard() == Odd );
}
virtual void RedBlackSolve(Matrix& _Matrix, const Field& src_o, Field& sol_o)
{
NonHermitianSchurDiagMooeeOperator<Matrix,Field> _OpEO(_Matrix);
this->_HermitianRBSolver(_OpEO, src_o, sol_o); assert(sol_o.Checkerboard() == Odd);
}
virtual void RedBlackSolve(Matrix& _Matrix, const std::vector<Field>& src_o, std::vector<Field>& sol_o)
{
NonHermitianSchurDiagMooeeOperator<Matrix,Field> _OpEO(_Matrix);
this->_HermitianRBSolver(_OpEO, src_o, sol_o);
}
};
///////////////////////////////////////////////////////////////////////////////////////////////////////
// Site diagonal is identity, right preconditioned by Mee^inv
// ( 1 - Meo Moo^inv Moe Mee^inv ) phi =( 1 - Meo Moo^inv Moe Mee^inv ) Mee psi = = eta = eta
@ -482,5 +546,76 @@ namespace Grid {
this->_HermitianRBSolver(_HermOpEO,src_o,sol_o);
}
};
template<class Field> class NonHermitianSchurRedBlackDiagTwoSolve : public SchurRedBlackBase<Field>
{
public:
typedef CheckerBoardedSparseMatrixBase<Field> Matrix;
/////////////////////////////////////////////////////
// Wrap the usual normal equations Schur trick
/////////////////////////////////////////////////////
NonHermitianSchurRedBlackDiagTwoSolve(OperatorFunction<Field>& RBSolver, const bool initSubGuess = false,
const bool _solnAsInitGuess = false)
: SchurRedBlackBase<Field>(RBSolver, initSubGuess, _solnAsInitGuess) {};
virtual void RedBlackSource(Matrix& _Matrix, const Field& src, Field& src_e, Field& src_o)
{
GridBase* grid = _Matrix.RedBlackGrid();
GridBase* fgrid = _Matrix.Grid();
Field tmp(grid);
Field Mtmp(grid);
pickCheckerboard(Even, src_e, src);
pickCheckerboard(Odd , src_o, src);
/////////////////////////////////////////////////////
// src_o = Mdag * (source_o - Moe MeeInv source_e)
/////////////////////////////////////////////////////
_Matrix.MooeeInv(src_e, tmp); assert( tmp.Checkerboard() == Even );
_Matrix.Meooe (tmp, Mtmp); assert( Mtmp.Checkerboard() == Odd );
src_o -= Mtmp; assert( src_o.Checkerboard() == Odd );
}
virtual void RedBlackSolution(Matrix& _Matrix, const Field& sol_o, const Field& src_e, Field& sol)
{
GridBase* grid = _Matrix.RedBlackGrid();
GridBase* fgrid = _Matrix.Grid();
Field sol_o_i(grid);
Field tmp(grid);
Field sol_e(grid);
////////////////////////////////////////////////
// MooeeInv due to pecond
////////////////////////////////////////////////
_Matrix.MooeeInv(sol_o, tmp);
sol_o_i = tmp;
///////////////////////////////////////////////////
// sol_e = M_ee^-1 * ( src_e - Meo sol_o )...
///////////////////////////////////////////////////
_Matrix.Meooe(sol_o_i, tmp); assert( tmp.Checkerboard() == Even );
tmp = src_e - tmp; assert( src_e.Checkerboard() == Even );
_Matrix.MooeeInv(tmp, sol_e); assert( sol_e.Checkerboard() == Even );
setCheckerboard(sol, sol_e); assert( sol_e.Checkerboard() == Even );
setCheckerboard(sol, sol_o_i); assert( sol_o_i.Checkerboard() == Odd );
};
virtual void RedBlackSolve(Matrix& _Matrix, const Field& src_o, Field& sol_o)
{
NonHermitianSchurDiagTwoOperator<Matrix,Field> _OpEO(_Matrix);
this->_HermitianRBSolver(_OpEO, src_o, sol_o);
};
virtual void RedBlackSolve(Matrix& _Matrix, const std::vector<Field>& src_o, std::vector<Field>& sol_o)
{
NonHermitianSchurDiagTwoOperator<Matrix,Field> _OpEO(_Matrix);
this->_HermitianRBSolver(_OpEO, src_o, sol_o);
}
};
}
#endif

10
Grid/allocator/AlignedAllocator.cc
View File

@ -6,6 +6,12 @@ NAMESPACE_BEGIN(Grid);
MemoryStats *MemoryProfiler::stats = nullptr;
bool MemoryProfiler::debug = false;
#ifdef GRID_NVCC
#define SMALL_LIMIT (0)
#else
#define SMALL_LIMIT (4096)
#endif
#ifdef POINTER_CACHE
int PointerCache::victim;
@ -13,7 +19,7 @@ PointerCache::PointerCacheEntry PointerCache::Entries[PointerCache::Ncache];
void *PointerCache::Insert(void *ptr,size_t bytes) {
if (bytes < 4096 ) return ptr;
if (bytes < SMALL_LIMIT ) return ptr;
#ifdef GRID_OMP
assert(omp_in_parallel()==0);
@ -50,7 +56,7 @@ void *PointerCache::Insert(void *ptr,size_t bytes) {
void *PointerCache::Lookup(size_t bytes) {
if (bytes < 4096 ) return NULL;
if (bytes < SMALL_LIMIT ) return NULL;
#ifdef GRID_OMP
assert(omp_in_parallel()==0);

9
Grid/allocator/AlignedAllocator.h
View File

@ -49,8 +49,13 @@ NAMESPACE_BEGIN(Grid);
#ifdef POINTER_CACHE
class PointerCache {
private:
/*Pinning pages is costly*/
/*Could maintain separate large and small allocation caches*/
#ifdef GRID_NVCC
static const int Ncache=128;
#else
static const int Ncache=8;
#endif
static int victim;
typedef struct {
@ -63,7 +68,6 @@ private:
public:
static void *Insert(void *ptr,size_t bytes) ;
static void *Lookup(size_t bytes) ;
@ -170,6 +174,7 @@ public:
// Unified (managed) memory
////////////////////////////////////
if ( ptr == (_Tp *) NULL ) {
// printf(" alignedAllocater cache miss %ld bytes ",bytes); BACKTRACEFP(stdout);
auto err = cudaMallocManaged((void **)&ptr,bytes);
if( err != cudaSuccess ) {
ptr = (_Tp *) NULL;

8
Grid/cartesian/Cartesian_base.h
View File

@ -47,20 +47,19 @@ public:
// Give Lattice access
template<class object> friend class Lattice;
GridBase(const Coordinate & processor_grid) : CartesianCommunicator(processor_grid) {};
GridBase(const Coordinate & processor_grid) : CartesianCommunicator(processor_grid) { LocallyPeriodic=0;};
GridBase(const Coordinate & processor_grid,
const CartesianCommunicator &parent,
int &split_rank)
: CartesianCommunicator(processor_grid,parent,split_rank) {};
: CartesianCommunicator(processor_grid,parent,split_rank) {LocallyPeriodic=0;};
GridBase(const Coordinate & processor_grid,
const CartesianCommunicator &parent)
: CartesianCommunicator(processor_grid,parent,dummy) {};
: CartesianCommunicator(processor_grid,parent,dummy) {LocallyPeriodic=0;};
virtual ~GridBase() = default;
// Physics Grid information.
Coordinate _simd_layout;// Which dimensions get relayed out over simd lanes.
Coordinate _fdimensions;// (full) Global dimensions of array prior to cb removal
@ -81,6 +80,7 @@ public:
Coordinate _lend ; // local end of array in gcoors _processor_coor[d]*_ldimensions[d]+_ldimensions_[d]-1
bool _isCheckerBoarded;
int LocallyPeriodic;
public:

1
Grid/lattice/Lattice_base.h
View File

@ -173,6 +173,7 @@ public:
///////////////////////////////////////////////////
typedef typename vobj::scalar_type scalar_type;
typedef typename vobj::vector_type vector_type;
typedef typename vobj::scalar_object scalar_object;
typedef vobj vector_object;
private:

9
Grid/lattice/Lattice_coordinate.h
View File

@ -37,19 +37,18 @@ template<class iobj> inline void LatticeCoordinate(Lattice<iobj> &l,int mu)
GridBase *grid = l.Grid();
int Nsimd = grid->iSites();
auto l_v = l.View();
thread_for( o, grid->oSites(), {
vector_type vI;
Coordinate gcoor;
ExtractBuffer<scalar_type> mergebuf(Nsimd);
vector_type vI;
auto l_v = l.View();
for(int o=0;o<grid->oSites();o++){
for(int i=0;i<grid->iSites();i++){
grid->RankIndexToGlobalCoor(grid->ThisRank(),o,i,gcoor);
mergebuf[i]=(Integer)gcoor[mu];
}
merge<vector_type,scalar_type>(vI,mergebuf);
l_v[o]=vI;
}
});
};
// LatticeCoordinate();

4
Grid/lattice/Lattice_peekpoke.h
View File

@ -156,7 +156,7 @@ void peekSite(sobj &s,const Lattice<vobj> &l,const Coordinate &site){
// Peek a scalar object from the SIMD array
//////////////////////////////////////////////////////////
template<class vobj,class sobj>
void peekLocalSite(sobj &s,const Lattice<vobj> &l,Coordinate &site){
accelerator_inline void peekLocalSite(sobj &s,const Lattice<vobj> &l,Coordinate &site){
GridBase *grid = l.Grid();
@ -185,7 +185,7 @@ void peekLocalSite(sobj &s,const Lattice<vobj> &l,Coordinate &site){
};
template<class vobj,class sobj>
void pokeLocalSite(const sobj &s,Lattice<vobj> &l,Coordinate &site){
accelerator_inline void pokeLocalSite(const sobj &s,Lattice<vobj> &l,Coordinate &site){
GridBase *grid=l.Grid();

182
Grid/lattice/Lattice_transfer.h
View File

@ -1,5 +1,4 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/lattice/Lattice_transfer.h
@ -83,7 +82,6 @@ template<class vobj> inline void setCheckerboard(Lattice<vobj> &full,const Latti
});
}
template<class vobj,class CComplex,int nbasis>
inline void blockProject(Lattice<iVector<CComplex,nbasis > > &coarseData,
const Lattice<vobj> &fineData,
@ -91,6 +89,30 @@ inline void blockProject(Lattice<iVector<CComplex,nbasis > > &coarseData,
{
GridBase * fine = fineData.Grid();
GridBase * coarse= coarseData.Grid();
Lattice<CComplex> ip(coarse);
// auto fineData_ = fineData.View();
auto coarseData_ = coarseData.View();
auto ip_ = ip.View();
for(int v=0;v<nbasis;v++) {
blockInnerProduct(ip,Basis[v],fineData);
accelerator_for( sc, coarse->oSites(), vobj::Nsimd(), {
coalescedWrite(coarseData_[sc](v),ip_(sc));
});
}
}
template<class vobj,class CComplex,int nbasis>
inline void blockProject1(Lattice<iVector<CComplex,nbasis > > &coarseData,
const Lattice<vobj> &fineData,
const std::vector<Lattice<vobj> > &Basis)
{
typedef iVector<CComplex,nbasis > coarseSiteData;
coarseSiteData elide;
typedef decltype(coalescedRead(elide)) ScalarComplex;
GridBase * fine = fineData.Grid();
GridBase * coarse= coarseData.Grid();
int _ndimension = coarse->_ndimension;
// checks
@ -106,26 +128,40 @@ inline void blockProject(Lattice<iVector<CComplex,nbasis > > &coarseData,
block_r[d] = fine->_rdimensions[d] / coarse->_rdimensions[d];
assert(block_r[d]*coarse->_rdimensions[d] == fine->_rdimensions[d]);
}
int blockVol = fine->oSites()/coarse->oSites();
coarseData=Zero();
auto fineData_ = fineData.View();
auto coarseData_ = coarseData.View();
// Loop over coars parallel, and then loop over fine associated with coarse.
thread_for( sf, fine->oSites(), {
int sc;
Coordinate coor_c(_ndimension);
Coordinate coor_f(_ndimension);
Lexicographic::CoorFromIndex(coor_f,sf,fine->_rdimensions);
for(int d=0;d<_ndimension;d++) coor_c[d]=coor_f[d]/block_r[d];
Lexicographic::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
////////////////////////////////////////////////////////////////////////////////////////////////////////
// To make this lock free, loop over coars parallel, and then loop over fine associated with coarse.
// Otherwise do fine inner product per site, and make the update atomic
////////////////////////////////////////////////////////////////////////////////////////////////////////
accelerator_for( sci, nbasis*coarse->oSites(), vobj::Nsimd(), {
thread_critical {
for(int i=0;i<nbasis;i++) {
auto sc=sci/nbasis;
auto i=sci%nbasis;
auto Basis_ = Basis[i].View();
coarseData_[sc](i)=coarseData_[sc](i) + innerProduct(Basis_[sf],fineData_[sf]);
}
Coordinate coor_c(_ndimension);
Lexicographic::CoorFromIndex(coor_c,sc,coarse->_rdimensions); // Block coordinate
int sf;
decltype(innerProduct(Basis_(sf),fineData_(sf))) reduce=Zero();
for(int sb=0;sb<blockVol;sb++){
Coordinate coor_b(_ndimension);
Coordinate coor_f(_ndimension);
Lexicographic::CoorFromIndex(coor_b,sb,block_r);
for(int d=0;d<_ndimension;d++) coor_f[d]=coor_c[d]*block_r[d]+coor_b[d];
Lexicographic::IndexFromCoor(coor_f,sf,fine->_rdimensions);
reduce=reduce+innerProduct(Basis_(sf),fineData_(sf));
}
coalescedWrite(coarseData_[sc](i),reduce);
});
return;
}
@ -160,7 +196,7 @@ inline void blockZAXPY(Lattice<vobj> &fineZ,
auto fineY_ = fineY.View();
auto coarseA_= coarseA.View();
thread_for(sf, fine->oSites(), {
accelerator_for(sf, fine->oSites(), CComplex::Nsimd(), {
int sc;
Coordinate coor_c(_ndimension);
@ -171,7 +207,7 @@ inline void blockZAXPY(Lattice<vobj> &fineZ,
Lexicographic::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
// z = A x + y
fineZ_[sf]=coarseA_[sc]*fineX_[sf]+fineY_[sf];
coalescedWrite(fineZ_[sf],coarseA_(sc)*fineX_(sf)+fineY_(sf));
});
@ -196,7 +232,7 @@ inline void blockInnerProduct(Lattice<CComplex> &CoarseInner,
fine_inner = localInnerProduct(fineX,fineY);
blockSum(coarse_inner,fine_inner);
thread_for(ss, coarse->oSites(),{
accelerator_for(ss, coarse->oSites(), 1, {
CoarseInner_[ss] = coarse_inner_[ss];
});
}
@ -226,23 +262,29 @@ inline void blockSum(Lattice<vobj> &coarseData,const Lattice<vobj> &fineData)
for(int d=0 ; d<_ndimension;d++){
block_r[d] = fine->_rdimensions[d] / coarse->_rdimensions[d];
}
int blockVol = fine->oSites()/coarse->oSites();
// Turn this around to loop threaded over sc and interior loop
// over sf would thread better
coarseData=Zero();
auto coarseData_ = coarseData.View();
auto fineData_ = fineData.View();
thread_for(sf,fine->oSites(),{
int sc;
accelerator_for(sc,coarse->oSites(),1,{
// One thread per sub block
Coordinate coor_c(_ndimension);
Lexicographic::CoorFromIndex(coor_c,sc,coarse->_rdimensions); // Block coordinate
coarseData_[sc]=Zero();
for(int sb=0;sb<blockVol;sb++){
int sf;
Coordinate coor_b(_ndimension);
Coordinate coor_f(_ndimension);
Lexicographic::CoorFromIndex(coor_b,sb,block_r); // Block sub coordinate
for(int d=0;d<_ndimension;d++) coor_f[d]=coor_c[d]*block_r[d] + coor_b[d];
Lexicographic::IndexFromCoor(coor_f,sf,fine->_rdimensions);
Lexicographic::CoorFromIndex(coor_f,sf,fine->_rdimensions);
for(int d=0;d<_ndimension;d++) coor_c[d]=coor_f[d]/block_r[d];
Lexicographic::IndexFromCoor(coor_c,sc,coarse->_rdimensions);
thread_critical {
coarseData_[sc]=coarseData_[sc]+fineData_[sf];
}
@ -296,6 +338,7 @@ inline void blockOrthogonalise(Lattice<CComplex> &ip,std::vector<Lattice<vobj> >
}
}
#if 0
template<class vobj,class CComplex,int nbasis>
inline void blockPromote(const Lattice<iVector<CComplex,nbasis > > &coarseData,
Lattice<vobj> &fineData,
@ -321,7 +364,7 @@ inline void blockPromote(const Lattice<iVector<CComplex,nbasis > > &coarseData,
auto coarseData_ = coarseData.View();
// Loop with a cache friendly loop ordering
thread_for(sf,fine->oSites(),{
accelerator_for(sf,fine->oSites(),1,{
int sc;
Coordinate coor_c(_ndimension);
Coordinate coor_f(_ndimension);
@ -332,13 +375,35 @@ inline void blockPromote(const Lattice<iVector<CComplex,nbasis > > &coarseData,
for(int i=0;i<nbasis;i++) {
auto basis_ = Basis[i].View();
if(i==0) fineData_[sf]=coarseData_[sc](i) *basis_[sf];
else fineData_[sf]=fineData_[sf]+coarseData_[sc](i)*basis_[sf];
if(i==0) fineData_[sf]=coarseData_[sc](i) *basis_[sf]);
else fineData_[sf]=fineData_[sf]+coarseData_[sc](i)*basis_[sf]);
}
});
return;
}
#else
template<class vobj,class CComplex,int nbasis>
inline void blockPromote(const Lattice<iVector<CComplex,nbasis > > &coarseData,
Lattice<vobj> &fineData,
const std::vector<Lattice<vobj> > &Basis)
{
GridBase * fine = fineData.Grid();
GridBase * coarse= coarseData.Grid();
fineData=Zero();
for(int i=0;i<nbasis;i++) {
Lattice<iScalar<CComplex> > ip = PeekIndex<0>(coarseData,i);
Lattice<CComplex> cip(coarse);
auto cip_ = cip.View();
auto ip_ = ip.View();
accelerator_forNB(sc,coarse->oSites(),CComplex::Nsimd(),{
coalescedWrite(cip_[sc], ip_(sc)());
});
blockZAXPY<vobj,CComplex >(fineData,cip,Basis[i],fineData);
}
}
#endif
// Useful for precision conversion, or indeed anything where an operator= does a conversion on scalars.
// Simd layouts need not match since we use peek/poke Local
@ -374,6 +439,67 @@ void localConvert(const Lattice<vobj> &in,Lattice<vvobj> &out)
});
}
template<class vobj>
void localCopyRegion(const Lattice<vobj> &From,Lattice<vobj> & To,Coordinate FromLowerLeft, Coordinate ToLowerLeft, Coordinate RegionSize)
{
typedef typename vobj::scalar_object sobj;
typedef typename vobj::scalar_type scalar_type;
typedef typename vobj::vector_type vector_type;
static const int words=sizeof(vobj)/sizeof(vector_type);
GridBase *Fg = From.Grid();
GridBase *Tg = To.Grid();
assert(!Fg->_isCheckerBoarded);
assert(!Tg->_isCheckerBoarded);
int Nsimd = Fg->Nsimd();
int nF = Fg->_ndimension;
int nT = Tg->_ndimension;
int nd = nF;
assert(nF == nT);
for(int d=0;d<nd;d++){
assert(Fg->_processors[d] == Tg->_processors[d]);
}
// the above should guarantee that the operations are local
Coordinate ldf = Fg->_ldimensions;
Coordinate rdf = Fg->_rdimensions;
Coordinate isf = Fg->_istride;
Coordinate osf = Fg->_ostride;
Coordinate rdt = Tg->_rdimensions;
Coordinate ist = Tg->_istride;
Coordinate ost = Tg->_ostride;
auto t_v = To.View();
auto f_v = From.View();
accelerator_for(idx,Fg->lSites(),1,{
sobj s;
Coordinate Fcoor(nd);
Coordinate Tcoor(nd);
Lexicographic::CoorFromIndex(Fcoor,idx,ldf);
int in_region=1;
for(int d=0;d<nd;d++){
if ( (Fcoor[d] < FromLowerLeft[d]) || (Fcoor[d]>=FromLowerLeft[d]+RegionSize[d]) ){
in_region=0;
}
Tcoor[d] = ToLowerLeft[d]+ Fcoor[d]-FromLowerLeft[d];
}
if (in_region) {
Integer idx_f = 0; for(int d=0;d<nd;d++) idx_f+=isf[d]*(Fcoor[d]/rdf[d]);
Integer idx_t = 0; for(int d=0;d<nd;d++) idx_t+=ist[d]*(Tcoor[d]/rdt[d]);
Integer odx_f = 0; for(int d=0;d<nd;d++) odx_f+=osf[d]*(Fcoor[d]%rdf[d]);
Integer odx_t = 0; for(int d=0;d<nd;d++) odx_t+=ost[d]*(Tcoor[d]%rdt[d]);
scalar_type * fp = (scalar_type *)&f_v[odx_f];
scalar_type * tp = (scalar_type *)&t_v[odx_t];
for(int w=0;w<words;w++){
tp[idx_t+w*Nsimd] = fp[idx_f+w*Nsimd]; // FIXME IF RRII layout, type pun no worke
}
// peekLocalSite(s,From,Fcoor);
// pokeLocalSite(s,To ,Tcoor);
}
});
}
template<class vobj>
void InsertSlice(const Lattice<vobj> &lowDim,Lattice<vobj> & higherDim,int slice, int orthog)

1
Grid/qcd/action/fermion/CayleyFermion5D.h
View File

@ -102,6 +102,7 @@ public:
// Efficient support for multigrid coarsening
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp);
virtual void MdirAll(const FermionField &in, std::vector<FermionField> &out);
void Meooe5D (const FermionField &in, FermionField &out);
void MeooeDag5D (const FermionField &in, FermionField &out);

1
Grid/qcd/action/fermion/ContinuedFractionFermion5D.h
View File

@ -62,6 +62,7 @@ public:
// Efficient support for multigrid coarsening
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp);
virtual void MdirAll(const FermionField &in, std::vector<FermionField> &out);
///////////////////////////////////////////////////////////////
// Physical surface field utilities

1
Grid/qcd/action/fermion/FermionOperator.h
View File

@ -89,6 +89,7 @@ public:
virtual void Mdiag (const FermionField &in, FermionField &out) { Mooee(in,out);}; // Same as Mooee applied to both CB's
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp)=0; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
virtual void MdirAll(const FermionField &in, std::vector<FermionField> &out)=0; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
virtual void MomentumSpacePropagator(FermionField &out,const FermionField &in,RealD _m,std::vector<double> twist) { assert(0);};

1
Grid/qcd/action/fermion/ImprovedStaggeredFermion.h
View File

@ -103,6 +103,7 @@ public:
// Multigrid assistance; force term uses too
///////////////////////////////////////////////////////////////
void Mdir(const FermionField &in, FermionField &out, int dir, int disp);
void MdirAll(const FermionField &in, std::vector<FermionField> &out);
void DhopDir(const FermionField &in, FermionField &out, int dir, int disp);
///////////////////////////////////////////////////////////////

1
Grid/qcd/action/fermion/ImprovedStaggeredFermion5D.h
View File

@ -87,6 +87,7 @@ public:
void MooeeInvDag (const FermionField &in, FermionField &out);
void Mdir (const FermionField &in, FermionField &out,int dir,int disp);
void MdirAll(const FermionField &in, std::vector<FermionField> &out);
void DhopDir(const FermionField &in, FermionField &out,int dir,int disp);
// These can be overridden by fancy 5d chiral action

19
Grid/qcd/action/fermion/MADWF.h
View File

@ -40,6 +40,11 @@ inline void convert(const Fieldi &from,Fieldo &to)
to=from;
}
struct MADWFinnerIterCallbackBase{
virtual void operator()(const RealD current_resid){}
virtual ~MADWFinnerIterCallbackBase(){}
};
template<class Matrixo,class Matrixi,class PVinverter,class SchurSolver, class Guesser>
class MADWF
{
@ -56,19 +61,25 @@ class MADWF
RealD target_resid;
int maxiter;
public:
//operator() is called on "callback" at the end of every inner iteration. This allows for example the adjustment of the inner
//tolerance to speed up subsequent iteration
MADWFinnerIterCallbackBase* callback;
public:
MADWF(Matrixo &_Mato,
Matrixi &_Mati,
PVinverter &_PauliVillarsSolvero,
SchurSolver &_SchurSolveri,
Guesser & _Guesseri,
RealD resid,
int _maxiter) :
int _maxiter,
MADWFinnerIterCallbackBase* _callback = NULL) :
Mato(_Mato),Mati(_Mati),
SchurSolveri(_SchurSolveri),
PauliVillarsSolvero(_PauliVillarsSolvero),Guesseri(_Guesseri)
PauliVillarsSolvero(_PauliVillarsSolvero),Guesseri(_Guesseri),
callback(_callback)
{
target_resid=resid;
maxiter =_maxiter;
@ -177,6 +188,8 @@ class MADWF
std::cout << GridLogMessage << "Residual " << i << ": " << resid << std::endl;
std::cout << GridLogMessage << "***************************************" <<std::endl;
if(callback != NULL) (*callback)(resid);
if (resid < target_resid) {
return;
}

1
Grid/qcd/action/fermion/PartialFractionFermion5D.h
View File

@ -67,6 +67,7 @@ public:
// Efficient support for multigrid coarsening
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp);
virtual void MdirAll(const FermionField &in, std::vector<FermionField> &out);
///////////////////////////////////////////////////////////////
// Physical surface field utilities

5
Grid/qcd/action/fermion/WilsonFermion.h
View File

@ -115,9 +115,10 @@ public:
// Multigrid assistance; force term uses too
///////////////////////////////////////////////////////////////
void Mdir(const FermionField &in, FermionField &out, int dir, int disp);
void MdirAll(const FermionField &in, std::vector<FermionField> &out);
void DhopDir(const FermionField &in, FermionField &out, int dir, int disp);
void DhopDirDisp(const FermionField &in, FermionField &out, int dirdisp,
int gamma, int dag);
void DhopDirAll(const FermionField &in, std::vector<FermionField> &out);
void DhopDirCalc(const FermionField &in, FermionField &out, int dirdisp,int gamma, int dag);
///////////////////////////////////////////////////////////////
// Extra methods added by derived

4
Grid/qcd/action/fermion/WilsonFermion5D.h
View File

@ -111,6 +111,7 @@ public:
virtual void MooeeDag (const FermionField &in, FermionField &out){assert(0);};
virtual void MooeeInvDag (const FermionField &in, FermionField &out){assert(0);};
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp){assert(0);}; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
virtual void MdirAll(const FermionField &in, std::vector<FermionField> &out){assert(0);}; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
// These can be overridden by fancy 5d chiral action
virtual void DhopDeriv (GaugeField &mat,const FermionField &U,const FermionField &V,int dag);
@ -131,6 +132,9 @@ public:
// add a DhopComm
// -- suboptimal interface will presently trigger multiple comms.
void DhopDir(const FermionField &in, FermionField &out,int dir,int disp);
void DhopDirAll(const FermionField &in,std::vector<FermionField> &out);
void DhopDirComms(const FermionField &in);
void DhopDirCalc(const FermionField &in, FermionField &out,int point);
///////////////////////////////////////////////////////////////
// New methods added

14
Grid/qcd/action/fermion/WilsonKernels.h
View File

@ -60,14 +60,26 @@ public:
int Ls, int Nsite, const FermionField &in, FermionField &out,
int interior=1,int exterior=1) ;
static void DhopDirAll( StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor *buf, int Ls,
int Nsite, const FermionField &in, std::vector<FermionField> &out) ;
static void DhopDirKernel(StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor * buf,
int Ls, int Nsite, const FermionField &in, FermionField &out, int dirdisp, int gamma);
private:
static accelerator void DhopDirK(StencilView &st, DoubledGaugeFieldView &U,SiteHalfSpinor * buf,
static accelerator_inline void DhopDirK(StencilView &st, DoubledGaugeFieldView &U,SiteHalfSpinor * buf,
int sF, int sU, const FermionFieldView &in, FermionFieldView &out, int dirdisp, int gamma);
static accelerator_inline void DhopDirXp(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirYp(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirZp(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirTp(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirXm(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirYm(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirZm(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
static accelerator_inline void DhopDirTm(StencilView &st,DoubledGaugeFieldView &U,SiteHalfSpinor *buf,int sF,int sU,const FermionFieldView &in,FermionFieldView &out,int dirdisp);
// Specialised variants
static accelerator void GenericDhopSite(StencilView &st, DoubledGaugeFieldView &U, SiteHalfSpinor * buf,
int sF, int sU, const FermionFieldView &in, FermionFieldView &out);

14
Grid/qcd/action/fermion/g5HermitianLinop.h
View File

@ -54,6 +54,14 @@ public:
_Mat.Mdir(in,tmp,dir,disp);
G5R5(out,tmp);
}
void OpDirAll(const Field &in, std::vector<Field> &out) {
Field tmp(in.Grid());
_Mat.MdirAll(in,out);
for(int p=0;p<out.size();p++) {
tmp=out[p];
G5R5(out[p],tmp);
}
}
void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){
@ -96,6 +104,12 @@ public:
_Mat.Mdir(in,tmp,dir,disp);
out=g5*tmp;
}
void OpDirAll(const Field &in, std::vector<Field> &out) {
_Mat.MdirAll(in,out);
for(int p=0;p<out.size();p++) {
out[p]=g5*out[p];
}
}
void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){

8
Grid/qcd/action/fermion/implementation/CayleyFermion5DImplementation.h
View File

@ -389,6 +389,14 @@ void CayleyFermion5D<Impl>::Mdir (const FermionField &psi, FermionField &chi,in
Meo5D(psi,tmp);
this->DhopDir(tmp,chi,dir,disp);
}
template<class Impl>
void CayleyFermion5D<Impl>::MdirAll(const FermionField &psi, std::vector<FermionField> &out)
{
FermionField tmp(psi.Grid());
Meo5D(psi,tmp);
this->DhopDirAll(tmp,out);
}
// force terms; five routines; default to Dhop on diagonal
template<class Impl>
void CayleyFermion5D<Impl>::MDeriv (GaugeField &mat,const FermionField &U,const FermionField &V,int dag)

19
Grid/qcd/action/fermion/implementation/ContinuedFractionFermion5DImplementation.h
View File

@ -143,6 +143,25 @@ void ContinuedFractionFermion5D<Impl>::Mdir (const FermionField &psi, FermionFi
}
}
template<class Impl>
void ContinuedFractionFermion5D<Impl>::MdirAll (const FermionField &psi, std::vector<FermionField> &chi)
{
int Ls = this->Ls;
this->DhopDirAll(psi,chi); // Dslash on diagonal. g5 Dslash is hermitian
for(int p=0;p<chi.size();p++){
int sign=1;
for(int s=0;s<Ls;s++){
if ( s==(Ls-1) ){
ag5xpby_ssp(chi[p],Beta[s]*ZoloHiInv,chi[p],0.0,chi[p],s,s);
} else {
ag5xpby_ssp(chi[p],cc[s]*Beta[s]*sign*ZoloHiInv,chi[p],0.0,chi[p],s,s);
}
sign=-sign;
}
}
}
template<class Impl>
void ContinuedFractionFermion5D<Impl>::Meooe (const FermionField &psi, FermionField &chi)
{
int Ls = this->Ls;

8
Grid/qcd/action/fermion/implementation/ImprovedStaggeredFermion5DImplementation.h
View File

@ -538,10 +538,16 @@ void ImprovedStaggeredFermion5D<Impl>::ZeroCounters(void)
// Implement the general interface. Here we use SAME mass on all slices
/////////////////////////////////////////////////////////////////////////
template <class Impl>
void ImprovedStaggeredFermion5D<Impl>::Mdir(const FermionField &in, FermionField &out, int dir, int disp) {
void ImprovedStaggeredFermion5D<Impl>::Mdir(const FermionField &in, FermionField &out, int dir, int disp)
{
DhopDir(in, out, dir, disp);
}
template <class Impl>
void ImprovedStaggeredFermion5D<Impl>::MdirAll(const FermionField &in, std::vector<FermionField> &out)
{
assert(0);
}
template <class Impl>
RealD ImprovedStaggeredFermion5D<Impl>::M(const FermionField &in, FermionField &out) {
out.Checkerboard() = in.Checkerboard();
Dhop(in, out, DaggerNo);

13
Grid/qcd/action/fermion/implementation/ImprovedStaggeredFermionImplementation.h
View File

@ -362,12 +362,19 @@ void ImprovedStaggeredFermion<Impl>::DhopEO(const FermionField &in, FermionField
}
template <class Impl>
void ImprovedStaggeredFermion<Impl>::Mdir(const FermionField &in, FermionField &out, int dir, int disp) {
void ImprovedStaggeredFermion<Impl>::Mdir(const FermionField &in, FermionField &out, int dir, int disp)
{
DhopDir(in, out, dir, disp);
}
template <class Impl>
void ImprovedStaggeredFermion<Impl>::MdirAll(const FermionField &in, std::vector<FermionField> &out)
{
assert(0); // Not implemented yet
}
template <class Impl>
void ImprovedStaggeredFermion<Impl>::DhopDir(const FermionField &in, FermionField &out, int dir, int disp) {
void ImprovedStaggeredFermion<Impl>::DhopDir(const FermionField &in, FermionField &out, int dir, int disp)
{
Compressor compressor;
Stencil.HaloExchange(in, compressor);
@ -380,6 +387,7 @@ void ImprovedStaggeredFermion<Impl>::DhopDir(const FermionField &in, FermionFiel
});
};
template <class Impl>
void ImprovedStaggeredFermion<Impl>::DhopInternal(StencilImpl &st, LebesgueOrder &lo,
DoubledGaugeField &U,
@ -404,7 +412,6 @@ void ImprovedStaggeredFermion<Impl>::DhopInternalOverlappedComms(StencilImpl &st
#ifdef GRID_OMP
Compressor compressor;
int len = U.Grid()->oSites();
const int LLs = 1;
DhopTotalTime -= usecond();

21
Grid/qcd/action/fermion/implementation/PartialFractionFermion5DImplementation.h
View File

@ -31,7 +31,7 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
NAMESPACE_BEGIN(Grid);
template<class Impl>
template<class Impl>
void PartialFractionFermion5D<Impl>::Mdir (const FermionField &psi, FermionField &chi,int dir,int disp){
// this does both dag and undag but is trivial; make a common helper routing
int Ls = this->Ls;
@ -45,8 +45,25 @@ void PartialFractionFermion5D<Impl>::Mdir (const FermionField &psi, FermionFiel
ag5xpby_ssp(chi, scale,chi,0.0,chi,s+1,s+1);
}
ag5xpby_ssp(chi,p[nblock]*scale/amax,chi,0.0,chi,Ls-1,Ls-1);
}
template<class Impl>
void PartialFractionFermion5D<Impl>::MdirAll (const FermionField &psi, std::vector<FermionField> &chi){
// this does both dag and undag but is trivial; make a common helper routing
int Ls = this->Ls;
this->DhopDirAll(psi,chi);
for(int point=0;point<chi.size();point++){
int nblock=(Ls-1)/2;
for(int b=0;b<nblock;b++){
int s = 2*b;
ag5xpby_ssp(chi[point],-scale,chi[point],0.0,chi[point],s,s);
ag5xpby_ssp(chi[point], scale,chi[point],0.0,chi[point],s+1,s+1);
}
ag5xpby_ssp(chi[point],p[nblock]*scale/amax,chi[point],0.0,chi[point],Ls-1,Ls-1);
}
}
template<class Impl>
void PartialFractionFermion5D<Impl>::Meooe_internal(const FermionField &psi, FermionField &chi,int dag)
{

9
Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h
View File

@ -241,6 +241,15 @@ void WilsonFermion5D<Impl>::DhopDir(const FermionField &in, FermionField &out,in
Kernels::DhopDirKernel(Stencil,Umu,Stencil.CommBuf(),Ls,Nsite,in,out,dirdisp,gamma);
};
template<class Impl>
void WilsonFermion5D<Impl>::DhopDirAll(const FermionField &in, std::vector<FermionField> &out)
{
Compressor compressor(DaggerNo);
Stencil.HaloExchange(in,compressor);
uint64_t Nsite = Umu.Grid()->oSites();
Kernels::DhopDirAll(Stencil,Umu,Stencil.CommBuf(),Ls,Nsite,in,out);
};
template<class Impl>
void WilsonFermion5D<Impl>::DerivInternal(StencilImpl & st,

40
Grid/qcd/action/fermion/implementation/WilsonFermionImplementation.h
View File

@ -319,28 +319,51 @@ void WilsonFermion<Impl>::DhopEO(const FermionField &in, FermionField &out,int d
}
template <class Impl>
void WilsonFermion<Impl>::Mdir(const FermionField &in, FermionField &out, int dir, int disp) {
void WilsonFermion<Impl>::Mdir(const FermionField &in, FermionField &out, int dir, int disp)
{
DhopDir(in, out, dir, disp);
}
template <class Impl>
void WilsonFermion<Impl>::MdirAll(const FermionField &in, std::vector<FermionField> &out)
{
DhopDirAll(in, out);
}
template <class Impl>
void WilsonFermion<Impl>::DhopDir(const FermionField &in, FermionField &out, int dir, int disp)
{
Compressor compressor(DaggerNo);
Stencil.HaloExchange(in, compressor);
int skip = (disp == 1) ? 0 : 1;
int dirdisp = dir + skip * 4;
int gamma = dir + (1 - skip) * 4;
DhopDirDisp(in, out, dirdisp, gamma, DaggerNo);
DhopDirCalc(in, out, dirdisp, gamma, DaggerNo);
};
template <class Impl>
void WilsonFermion<Impl>::DhopDirDisp(const FermionField &in, FermionField &out,int dirdisp, int gamma, int dag)
void WilsonFermion<Impl>::DhopDirAll(const FermionField &in, std::vector<FermionField> &out)
{
Compressor compressor(dag);
Compressor compressor(DaggerNo);
Stencil.HaloExchange(in, compressor);
assert((out.size()==8)||(out.size()==9));
for(int dir=0;dir<Nd;dir++){
for(int disp=-1;disp<=1;disp+=2){
int skip = (disp == 1) ? 0 : 1;
int dirdisp = dir + skip * 4;
int gamma = dir + (1 - skip) * 4;
DhopDirCalc(in, out[dirdisp], dirdisp, gamma, DaggerNo);
}
}
}
template <class Impl>
void WilsonFermion<Impl>::DhopDirCalc(const FermionField &in, FermionField &out,int dirdisp, int gamma, int dag)
{
int Ls=1;
int Nsite=in.oSites();
uint64_t Nsite=in.oSites();
Kernels::DhopDirKernel(Stencil, Umu, Stencil.CommBuf(), Ls, Nsite, in, out, dirdisp, gamma);
};
@ -348,7 +371,8 @@ template <class Impl>
void WilsonFermion<Impl>::DhopInternal(StencilImpl &st, LebesgueOrder &lo,
DoubledGaugeField &U,
const FermionField &in,
FermionField &out, int dag) {
FermionField &out, int dag)
{
#ifdef GRID_OMP
if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute )
DhopInternalOverlappedComms(st,lo,U,in,out,dag);

116
Grid/qcd/action/fermion/implementation/WilsonKernelsImplementation.h
View File

@ -91,8 +91,7 @@ accelerator_inline void get_stencil(StencilEntry * mem, StencilEntry &chip)
} \
synchronise();
#define GENERIC_DHOPDIR_LEG(Dir,spProj,Recon) \
if (gamma == Dir) { \
#define GENERIC_DHOPDIR_LEG_BODY(Dir,spProj,Recon) \
if (SE->_is_local ) { \
int perm= SE->_permute; \
auto tmp = coalescedReadPermute(in[SE->_offset],ptype,perm,lane); \
@ -102,10 +101,14 @@ accelerator_inline void get_stencil(StencilEntry * mem, StencilEntry &chip)
} \
synchronise(); \
Impl::multLink(Uchi, U[sU], chi, dir, SE, st); \
Recon(result, Uchi); \
synchronise(); \
Recon(result, Uchi);
#define GENERIC_DHOPDIR_LEG(Dir,spProj,Recon) \
if (gamma == Dir) { \
GENERIC_DHOPDIR_LEG_BODY(Dir,spProj,Recon); \
}
////////////////////////////////////////////////////////////////////
// All legs kernels ; comms then compute
////////////////////////////////////////////////////////////////////
@ -284,6 +287,35 @@ void WilsonKernels<Impl>::GenericDhopSiteExt(StencilView &st, DoubledGaugeField
}
};
#define DhopDirMacro(Dir,spProj,spRecon) \
template <class Impl> \
void WilsonKernels<Impl>::DhopDir##Dir(StencilView &st, DoubledGaugeFieldView &U,SiteHalfSpinor *buf, int sF, \
int sU, const FermionFieldView &in, FermionFieldView &out, int dir) \
{ \
typedef decltype(coalescedRead(buf[0])) calcHalfSpinor; \
typedef decltype(coalescedRead(in[0])) calcSpinor; \
calcHalfSpinor chi; \
calcSpinor result; \
calcHalfSpinor Uchi; \
StencilEntry *SE; \
int ptype; \
const int Nsimd = SiteHalfSpinor::Nsimd(); \
const int lane=SIMTlane(Nsimd); \
\
SE = st.GetEntry(ptype, dir, sF); \
GENERIC_DHOPDIR_LEG_BODY(Dir,spProj,spRecon); \
coalescedWrite(out[sF], result,lane); \
}
DhopDirMacro(Xp,spProjXp,spReconXp);
DhopDirMacro(Yp,spProjYp,spReconYp);
DhopDirMacro(Zp,spProjZp,spReconZp);
DhopDirMacro(Tp,spProjTp,spReconTp);
DhopDirMacro(Xm,spProjXm,spReconXm);
DhopDirMacro(Ym,spProjYm,spReconYm);
DhopDirMacro(Zm,spProjZm,spReconZm);
DhopDirMacro(Tm,spProjTm,spReconTm);
template <class Impl>
void WilsonKernels<Impl>::DhopDirK( StencilView &st, DoubledGaugeFieldView &U,SiteHalfSpinor *buf, int sF,
int sU, const FermionFieldView &in, FermionFieldView &out, int dir, int gamma)
@ -299,18 +331,7 @@ void WilsonKernels<Impl>::DhopDirK( StencilView &st, DoubledGaugeFieldView &U,Si
const int lane=SIMTlane(Nsimd);
SE = st.GetEntry(ptype, dir, sF);
if (gamma == Xp) {
if (SE->_is_local ) {
int perm= SE->_permute;
auto tmp = coalescedReadPermute(in[SE->_offset],ptype,perm,lane);
spProjXp(chi,tmp);
} else {
chi = coalescedRead(buf[SE->_offset],lane);
}
Impl::multLink(Uchi, U[sU], chi, dir, SE, st);
spReconXp(result, Uchi);
}
GENERIC_DHOPDIR_LEG(Xp,spProjXp,spReconXp);
GENERIC_DHOPDIR_LEG(Yp,spProjYp,spReconYp);
GENERIC_DHOPDIR_LEG(Zp,spProjZp,spReconZp);
GENERIC_DHOPDIR_LEG(Tp,spProjTp,spReconTp);
@ -321,6 +342,38 @@ void WilsonKernels<Impl>::DhopDirK( StencilView &st, DoubledGaugeFieldView &U,Si
coalescedWrite(out[sF], result,lane);
}
template <class Impl>
void WilsonKernels<Impl>::DhopDirAll( StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor *buf, int Ls,
int Nsite, const FermionField &in, std::vector<FermionField> &out)
{
auto U_v = U.View();
auto in_v = in.View();
auto st_v = st.View();
auto out_Xm = out[0].View();
auto out_Ym = out[1].View();
auto out_Zm = out[2].View();
auto out_Tm = out[3].View();
auto out_Xp = out[4].View();
auto out_Yp = out[5].View();
auto out_Zp = out[6].View();
auto out_Tp = out[7].View();
accelerator_forNB(sss,Nsite*Ls,Simd::Nsimd(),{
int sU=sss/Ls;
int sF =sss;
DhopDirXm(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Xm,0);
DhopDirYm(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Ym,1);
DhopDirZm(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Zm,2);
DhopDirTm(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Tm,3);
DhopDirXp(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Xp,4);
DhopDirYp(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Yp,5);
DhopDirZp(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Zp,6);
DhopDirTp(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_Tp,7);
});
}
template <class Impl>
void WilsonKernels<Impl>::DhopDirKernel( StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor *buf, int Ls,
int Nsite, const FermionField &in, FermionField &out, int dirdisp, int gamma)
@ -332,13 +385,32 @@ void WilsonKernels<Impl>::DhopDirKernel( StencilImpl &st, DoubledGaugeField &U,S
auto in_v = in.View();
auto out_v = out.View();
auto st_v = st.View();
accelerator_for(ss,Nsite,Simd::Nsimd(),{
for(int s=0;s<Ls;s++){
int sU=ss;
int sF = s+Ls*sU;
DhopDirK(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_v,dirdisp,gamma);
#define LoopBody(Dir) \
case Dir : \
accelerator_forNB(ss,Nsite,Simd::Nsimd(),{ \
for(int s=0;s<Ls;s++){ \
int sU=ss; \
int sF = s+Ls*sU; \
DhopDir##Dir(st_v,U_v,st.CommBuf(),sF,sU,in_v,out_v,dirdisp);\
} \
}); \
break;
switch(gamma){
LoopBody(Xp);
LoopBody(Yp);
LoopBody(Zp);
LoopBody(Tp);
LoopBody(Xm);
LoopBody(Ym);
LoopBody(Zm);
LoopBody(Tm);
default:
assert(0);
break;
}
});
#undef LoopBody
}
#define KERNEL_CALLNB(A) \

2
Grid/qcd/modules/Registration.h
View File

@ -80,6 +80,8 @@ static Registrar<OneFlavourRatioEOFModule<FermionImplementationPolicy>,
static Registrar< ConjugateGradientModule<WilsonFermionR::FermionField>,
HMC_SolverModuleFactory<solver_string, WilsonFermionR::FermionField, Serialiser> > __CGWFmodXMLInit("ConjugateGradient");
static Registrar< BiCGSTABModule<WilsonFermionR::FermionField>,
HMC_SolverModuleFactory<solver_string, WilsonFermionR::FermionField, Serialiser> > __CGWFmodXMLInit("BiCGSTAB");
static Registrar< ConjugateResidualModule<WilsonFermionR::FermionField>,
HMC_SolverModuleFactory<solver_string, WilsonFermionR::FermionField, Serialiser> > __CRWFmodXMLInit("ConjugateResidual");

11
Grid/qcd/modules/SolverModules.h
View File

@ -119,6 +119,17 @@ class ConjugateGradientModule: public SolverModule<ConjugateGradient, Field, Sol
}
};
template <class Field >
class BiCGSTABModule: public SolverModule<BiCGSTAB, Field, SolverParameters> {
typedef SolverModule<BiCGSTAB, Field, SolverParameters> SolverBase;
using SolverBase::SolverBase; // for constructors
// acquire resource
virtual void initialize(){
this->SolverPtr.reset(new BiCGSTAB<Field>(this->Par_.tolerance, this->Par_.max_iterations, true));
}
};
template <class Field >
class ConjugateResidualModule: public SolverModule<ConjugateResidual, Field, SolverParameters> {
typedef SolverModule<ConjugateResidual, Field, SolverParameters> SolverBase;

1
Grid/qcd/utils/CovariantLaplacian.h
View File

@ -92,6 +92,7 @@ public:
};
void Mdir(const GaugeField&, GaugeField&, int, int){ assert(0);}
void MdirAll(const GaugeField&, std::vector<GaugeField> &){ assert(0);}
void Mdiag(const GaugeField&, GaugeField&){ assert(0);}
void ImportGauge(const GaugeField& _U) {

38
Grid/serialisation/BaseIO.h
View File

@ -97,6 +97,23 @@ namespace Grid {
template<typename T, typename V = void> struct is_tensor_variable : public std::false_type {};
template<typename T> struct is_tensor_variable<T, typename std::enable_if<is_tensor<T>::value
&& !is_tensor_fixed<T>::value>::type> : public std::true_type {};
// Helper functions to get the ultimate scalar inside a tensor, and corresponding size
template <typename ET>
inline typename std::enable_if<is_tensor<ET>::value, const typename ET::Index>::type
getScalarCount(const ET &eigenTensor) { return eigenTensor.size() * Traits<ET>::count; }
template <typename ET>
inline typename std::enable_if<is_tensor_of_scalar<ET>::value, const typename ET::Scalar *>::type
getFirstScalar(const ET &eigenTensor) { return eigenTensor.data(); }
template <typename ET>
inline typename std::enable_if<is_tensor_of_scalar<ET>::value, typename ET::Scalar *>::type
getFirstScalar(ET &eigenTensor) { return eigenTensor.data(); }
template <typename ET>
inline typename std::enable_if<is_tensor_of_container<ET>::value, const typename Traits<ET>::scalar_type *>::type
getFirstScalar(const ET &eigenTensor) { return eigenTensor.data()->begin(); }
template <typename ET>
inline typename std::enable_if<is_tensor_of_container<ET>::value, typename Traits<ET>::scalar_type *>::type
getFirstScalar(ET &eigenTensor) { return eigenTensor.data()->begin(); }
}
// Abstract writer/reader classes ////////////////////////////////////////////
@ -128,23 +145,6 @@ namespace Grid {
typename std::enable_if<EigenIO::is_tensor<ETensor>::value>::type
write(const std::string &s, const ETensor &output);
// Helper functions for Scalar vs Container specialisations
template <typename ETensor>
inline typename std::enable_if<EigenIO::is_tensor_of_scalar<ETensor>::value,
const typename ETensor::Scalar *>::type
getFirstScalar(const ETensor &output)
{
return output.data();
}
template <typename ETensor>
inline typename std::enable_if<EigenIO::is_tensor_of_container<ETensor>::value,
const typename EigenIO::Traits<ETensor>::scalar_type *>::type
getFirstScalar(const ETensor &output)
{
return output.data()->begin();
}
template <typename S>
inline typename std::enable_if<EigenIO::is_scalar<S>::value, void>::type
copyScalars(S * &pCopy, const S &Source)
@ -318,12 +318,12 @@ namespace Grid {
TotalDims[TensorRank + i] = Traits::Dimension(i);
// If the Tensor isn't in Row-Major order, then we'll need to copy it's data
const bool CopyData{NumElements > 1 && ETensor::Layout != Eigen::StorageOptions::RowMajor};
const bool CopyData{NumElements > 1 && static_cast<int>( ETensor::Layout ) != static_cast<int>( Eigen::StorageOptions::RowMajor )};
const Scalar * pWriteBuffer;
std::vector<Scalar> CopyBuffer;
const Index TotalNumElements = NumElements * Traits::count;
if( !CopyData ) {
pWriteBuffer = getFirstScalar( output );
pWriteBuffer = EigenIO::getFirstScalar( output );
} else {
// Regardless of the Eigen::Tensor storage order, the copy will be Row Major
CopyBuffer.resize( TotalNumElements );

4
Grid/simd/Grid_gpu_vec.h
View File

@ -403,6 +403,10 @@ namespace Optimization {
accelerator_inline GpuVectorRD operator()(GpuVectorRD a, GpuVectorRD b){
return a/b;
}
accelerator_inline GpuVectorI operator()(GpuVectorI a, GpuVectorI b){
return a/b;
}
// Danger -- element wise divide fro complex, not complex div.
// See Grid_vector_types.h lines around 735, applied after "toReal"
accelerator_inline GpuVectorCF operator()(GpuVectorCF a, GpuVectorCF b){

1
Grid/util/Init.cc
View File

@ -628,6 +628,7 @@ void Grid_debug_handler_init(void)
sigaction(SIGSEGV,&sa,NULL);
sigaction(SIGTRAP,&sa,NULL);
sigaction(SIGBUS,&sa,NULL);
sigaction(SIGUSR2,&sa,NULL);
feenableexcept( FE_INVALID|FE_OVERFLOW|FE_DIVBYZERO);

777
Hadrons/A2AMatrix.hpp
View File

@ -1,777 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/A2AMatrix.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef A2A_Matrix_hpp_
#define A2A_Matrix_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/TimerArray.hpp>
#include <Grid/Eigen/unsupported/CXX11/Tensor>
#ifdef USE_MKL
#include "mkl.h"
#include "mkl_cblas.h"
#endif
#ifndef HADRONS_A2AM_NAME
#define HADRONS_A2AM_NAME "a2aMatrix"
#endif
#ifndef HADRONS_A2AM_IO_TYPE
#define HADRONS_A2AM_IO_TYPE ComplexF
#endif
#define HADRONS_A2AM_PARALLEL_IO
BEGIN_HADRONS_NAMESPACE
// general A2A matrix set based on Eigen tensors and Grid-allocated memory
// Dimensions:
// 0 - ext - external field (momentum, EM field, ...)
// 1 - str - spin-color structure
// 2 - t - timeslice
// 3 - i - left A2A mode index
// 4 - j - right A2A mode index
template <typename T>
using A2AMatrixSet = Eigen::TensorMap<Eigen::Tensor<T, 5, Eigen::RowMajor>>;
template <typename T>
using A2AMatrix = Eigen::Matrix<T, -1, -1, Eigen::RowMajor>;
template <typename T>
using A2AMatrixTr = Eigen::Matrix<T, -1, -1, Eigen::ColMajor>;
/******************************************************************************
* Abstract class for A2A kernels *
******************************************************************************/
template <typename T, typename Field>
class A2AKernel
{
public:
A2AKernel(void) = default;
virtual ~A2AKernel(void) = default;
virtual void operator()(A2AMatrixSet<T> &m, const Field *left, const Field *right,
const unsigned int orthogDim, double &time) = 0;
virtual double flops(const unsigned int blockSizei, const unsigned int blockSizej) = 0;
virtual double bytes(const unsigned int blockSizei, const unsigned int blockSizej) = 0;
};
/******************************************************************************
* Class to handle A2A matrix block HDF5 I/O *
******************************************************************************/
template <typename T>
class A2AMatrixIo
{
public:
// constructors
A2AMatrixIo(void) = default;
A2AMatrixIo(std::string filename, std::string dataname,
const unsigned int nt, const unsigned int ni = 0,
const unsigned int nj = 0);
// destructor
~A2AMatrixIo(void) = default;
// access
unsigned int getNi(void) const;
unsigned int getNj(void) const;
unsigned int getNt(void) const;
size_t getSize(void) const;
// file allocation
template <typename MetadataType>
void initFile(const MetadataType &d, const unsigned int chunkSize);
// block I/O
void saveBlock(const T *data, const unsigned int i, const unsigned int j,
const unsigned int blockSizei, const unsigned int blockSizej);
void saveBlock(const A2AMatrixSet<T> &m, const unsigned int ext, const unsigned int str,
const unsigned int i, const unsigned int j);
template <template <class> class Vec, typename VecT>
void load(Vec<VecT> &v, double *tRead = nullptr, GridBase *grid = nullptr);
private:
std::string filename_{""}, dataname_{""};
unsigned int nt_{0}, ni_{0}, nj_{0};
};
/******************************************************************************
* Wrapper for A2A matrix block computation *
******************************************************************************/
template <typename T, typename Field, typename MetadataType, typename TIo = T>
class A2AMatrixBlockComputation
{
private:
struct IoHelper
{
A2AMatrixIo<TIo> io;
MetadataType md;
unsigned int e, s, i, j;
};
typedef std::function<std::string(const unsigned int, const unsigned int)> FilenameFn;
typedef std::function<MetadataType(const unsigned int, const unsigned int)> MetadataFn;
public:
// constructor
A2AMatrixBlockComputation(GridBase *grid,
const unsigned int orthogDim,
const unsigned int next,
const unsigned int nstr,
const unsigned int blockSize,
const unsigned int cacheBlockSize,
TimerArray *tArray = nullptr);
// execution
void execute(const std::vector<Field> &left,
const std::vector<Field> &right,
A2AKernel<T, Field> &kernel,
const FilenameFn &ionameFn,
const FilenameFn &filenameFn,
const MetadataFn &metadataFn);
private:
// I/O handler
void saveBlock(const A2AMatrixSet<TIo> &m, IoHelper &h);
private:
TimerArray *tArray_;
GridBase *grid_;
unsigned int orthogDim_, nt_, next_, nstr_, blockSize_, cacheBlockSize_;
Vector<T> mCache_;
Vector<TIo> mBuf_;
std::vector<IoHelper> nodeIo_;
};
/******************************************************************************
* A2A matrix contraction kernels *
******************************************************************************/
class A2AContraction
{
public:
// accTrMul(acc, a, b): acc += tr(a*b)
template <typename C, typename MatLeft, typename MatRight>
static inline void accTrMul(C &acc, const MatLeft &a, const MatRight &b)
{
const int RowMajor = Eigen::RowMajor;
const int ColMajor = Eigen::ColMajor;
if ((MatLeft::Options == RowMajor) and
(MatRight::Options == ColMajor))
{
thread_for(r,a.rows(),
{
C tmp;
#ifdef USE_MKL
dotuRow(tmp, r, a, b);
#else
tmp = a.row(r).conjugate().dot(b.col(r));
#endif
thread_critical
{
acc += tmp;
}
});
}
else
{
thread_for(c,a.cols(),
{
C tmp;
#ifdef USE_MKL
dotuCol(tmp, c, a, b);
#else
tmp = a.col(c).conjugate().dot(b.row(c));
#endif
thread_critical
{
acc += tmp;
}
});
}
}
template <typename MatLeft, typename MatRight>
static inline double accTrMulFlops(const MatLeft &a, const MatRight &b)
{
double n = a.rows()*a.cols();
return 8.*n;
}
// mul(res, a, b): res = a*b
#ifdef USE_MKL
template <template <class, int...> class Mat, int... Opts>
static inline void mul(Mat<ComplexD, Opts...> &res,
const Mat<ComplexD, Opts...> &a,
const Mat<ComplexD, Opts...> &b)
{
static const ComplexD one(1., 0.), zero(0., 0.);
const int RowMajor = Eigen::RowMajor;
const int ColMajor = Eigen::ColMajor;
if ((res.rows() != a.rows()) or (res.cols() != b.cols()))
{
res.resize(a.rows(), b.cols());
}
if (Mat<ComplexD, Opts...>::Options == RowMajor)
{
cblas_zgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, a.rows(), b.cols(),
a.cols(), &one, a.data(), a.cols(), b.data(), b.cols(), &zero,
res.data(), res.cols());
}
else if (Mat<ComplexD, Opts...>::Options == ColMajor)
{
cblas_zgemm(CblasColMajor, CblasNoTrans, CblasNoTrans, a.rows(), b.cols(),
a.cols(), &one, a.data(), a.rows(), b.data(), b.rows(), &zero,
res.data(), res.rows());
}
}
template <template <class, int...> class Mat, int... Opts>
static inline void mul(Mat<ComplexF, Opts...> &res,
const Mat<ComplexF, Opts...> &a,
const Mat<ComplexF, Opts...> &b)
{
static const ComplexF one(1., 0.), zero(0., 0.);
const int RowMajor = Eigen::RowMajor;
const int ColMajor = Eigen::ColMajor;
if ((res.rows() != a.rows()) or (res.cols() != b.cols()))
{
res.resize(a.rows(), b.cols());
}
if (Mat<ComplexF, Opts...>::Options == RowMajor)
{
cblas_cgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, a.rows(), b.cols(),
a.cols(), &one, a.data(), a.cols(), b.data(), b.cols(), &zero,
res.data(), res.cols());
}
else if (Mat<ComplexF, Opts...>::Options == ColMajor)
{
cblas_cgemm(CblasColMajor, CblasNoTrans, CblasNoTrans, a.rows(), b.cols(),
a.cols(), &one, a.data(), a.rows(), b.data(), b.rows(), &zero,
res.data(), res.rows());
}
}
#else
template <typename Mat>
static inline void mul(Mat &res, const Mat &a, const Mat &b)
{
res = a*b;
}
#endif
template <typename Mat>
static inline double mulFlops(const Mat &a, const Mat &b)
{
double nr = a.rows(), nc = a.cols();
return nr*nr*(6.*nc + 2.*(nc - 1.));
}
private:
template <typename C, typename MatLeft, typename MatRight>
static inline void makeDotRowPt(C * &aPt, unsigned int &aInc, C * &bPt,
unsigned int &bInc, const unsigned int aRow,
const MatLeft &a, const MatRight &b)
{
const int RowMajor = Eigen::RowMajor;
const int ColMajor = Eigen::ColMajor;
if (MatLeft::Options == RowMajor)
{
aPt = a.data() + aRow*a.cols();
aInc = 1;
}
else if (MatLeft::Options == ColMajor)
{
aPt = a.data() + aRow;
aInc = a.rows();
}
if (MatRight::Options == RowMajor)
{
bPt = b.data() + aRow;
bInc = b.cols();
}
else if (MatRight::Options == ColMajor)
{
bPt = b.data() + aRow*b.rows();
bInc = 1;
}
}
#ifdef USE_MKL
template <typename C, typename MatLeft, typename MatRight>
static inline void makeDotColPt(C * &aPt, unsigned int &aInc, C * &bPt,
unsigned int &bInc, const unsigned int aCol,
const MatLeft &a, const MatRight &b)
{
const int RowMajor = Eigen::RowMajor;
const int ColMajor = Eigen::ColMajor;
if (MatLeft::Options == RowMajor)
{
aPt = a.data() + aCol;
aInc = a.cols();
}
else if (MatLeft::Options == ColMajor)
{
aPt = a.data() + aCol*a.rows();
aInc = 1;
}
if (MatRight::Options == RowMajor)
{
bPt = b.data() + aCol*b.cols();
bInc = 1;
}
else if (MatRight::Options == ColMajor)
{
bPt = b.data() + aCol;
bInc = b.rows();
}
}
template <typename MatLeft, typename MatRight>
static inline void dotuRow(ComplexF &res, const unsigned int aRow,
const MatLeft &a, const MatRight &b)
{
const ComplexF *aPt, *bPt;
unsigned int aInc, bInc;
makeDotRowPt(aPt, aInc, bPt, bInc, aRow, a, b);
cblas_cdotu_sub(a.cols(), aPt, aInc, bPt, bInc, &res);
}
template <typename MatLeft, typename MatRight>
static inline void dotuCol(ComplexF &res, const unsigned int aCol,
const MatLeft &a, const MatRight &b)
{
const ComplexF *aPt, *bPt;
unsigned int aInc, bInc;
makeDotColPt(aPt, aInc, bPt, bInc, aCol, a, b);
cblas_cdotu_sub(a.rows(), aPt, aInc, bPt, bInc, &res);
}
template <typename MatLeft, typename MatRight>
static inline void dotuRow(ComplexD &res, const unsigned int aRow,
const MatLeft &a, const MatRight &b)
{
const ComplexD *aPt, *bPt;
unsigned int aInc, bInc;
makeDotRowPt(aPt, aInc, bPt, bInc, aRow, a, b);
cblas_zdotu_sub(a.cols(), aPt, aInc, bPt, bInc, &res);
}
template <typename MatLeft, typename MatRight>
static inline void dotuCol(ComplexD &res, const unsigned int aCol,
const MatLeft &a, const MatRight &b)
{
const ComplexD *aPt, *bPt;
unsigned int aInc, bInc;
makeDotColPt(aPt, aInc, bPt, bInc, aCol, a, b);
cblas_zdotu_sub(a.rows(), aPt, aInc, bPt, bInc, &res);
}
#endif
};
/******************************************************************************
* A2AMatrixIo template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename T>
A2AMatrixIo<T>::A2AMatrixIo(std::string filename, std::string dataname,
const unsigned int nt, const unsigned int ni,
const unsigned int nj)
: filename_(filename), dataname_(dataname)
, nt_(nt), ni_(ni), nj_(nj)
{}
// access //////////////////////////////////////////////////////////////////////
template <typename T>
unsigned int A2AMatrixIo<T>::getNt(void) const
{
return nt_;
}
template <typename T>
unsigned int A2AMatrixIo<T>::getNi(void) const
{
return ni_;
}
template <typename T>
unsigned int A2AMatrixIo<T>::getNj(void) const
{
return nj_;
}
template <typename T>
size_t A2AMatrixIo<T>::getSize(void) const
{
return nt_*ni_*nj_*sizeof(T);
}
// file allocation /////////////////////////////////////////////////////////////
template <typename T>
template <typename MetadataType>
void A2AMatrixIo<T>::initFile(const MetadataType &d, const unsigned int chunkSize)
{
#ifdef HAVE_HDF5
std::vector<hsize_t> dim = {static_cast<hsize_t>(nt_),
static_cast<hsize_t>(ni_),
static_cast<hsize_t>(nj_)},
chunk = {static_cast<hsize_t>(nt_),
static_cast<hsize_t>(chunkSize),
static_cast<hsize_t>(chunkSize)};
H5NS::DataSpace dataspace(dim.size(), dim.data());
H5NS::DataSet dataset;
H5NS::DSetCreatPropList plist;
// create empty file just with metadata
{
Hdf5Writer writer(filename_);
write(writer, dataname_, d);
}
// create the dataset
Hdf5Reader reader(filename_, false);
push(reader, dataname_);
auto &group = reader.getGroup();
plist.setChunk(chunk.size(), chunk.data());
plist.setFletcher32();
dataset = group.createDataSet(HADRONS_A2AM_NAME, Hdf5Type<T>::type(), dataspace, plist);
#else
HADRONS_ERROR(Implementation, "all-to-all matrix I/O needs HDF5 library");
#endif
}
// block I/O ///////////////////////////////////////////////////////////////////
template <typename T>
void A2AMatrixIo<T>::saveBlock(const T *data,
const unsigned int i,
const unsigned int j,
const unsigned int blockSizei,
const unsigned int blockSizej)
{
#ifdef HAVE_HDF5
Hdf5Reader reader(filename_, false);
std::vector<hsize_t> count = {nt_, blockSizei, blockSizej},
offset = {0, static_cast<hsize_t>(i),
static_cast<hsize_t>(j)},
stride = {1, 1, 1},
block = {1, 1, 1};
H5NS::DataSpace memspace(count.size(), count.data()), dataspace;
H5NS::DataSet dataset;
// size_t shift;
push(reader, dataname_);
auto &group = reader.getGroup();
dataset = group.openDataSet(HADRONS_A2AM_NAME);
dataspace = dataset.getSpace();
dataspace.selectHyperslab(H5S_SELECT_SET, count.data(), offset.data(),
stride.data(), block.data());
dataset.write(data, Hdf5Type<T>::type(), memspace, dataspace);
#else
HADRONS_ERROR(Implementation, "all-to-all matrix I/O needs HDF5 library");
#endif
}
template <typename T>
void A2AMatrixIo<T>::saveBlock(const A2AMatrixSet<T> &m,
const unsigned int ext, const unsigned int str,
const unsigned int i, const unsigned int j)
{
unsigned int blockSizei = m.dimension(3);
unsigned int blockSizej = m.dimension(4);
unsigned int nstr = m.dimension(1);
size_t offset = (ext*nstr + str)*nt_*blockSizei*blockSizej;
saveBlock(m.data() + offset, i, j, blockSizei, blockSizej);
}
template <typename T>
template <template <class> class Vec, typename VecT>
void A2AMatrixIo<T>::load(Vec<VecT> &v, double *tRead, GridBase *grid)
{
#ifdef HAVE_HDF5
std::vector<hsize_t> hdim;
H5NS::DataSet dataset;
H5NS::DataSpace dataspace;
H5NS::CompType datatype;
if (!(grid) || grid->IsBoss())
{
Hdf5Reader reader(filename_);
push(reader, dataname_);
auto &group = reader.getGroup();
dataset = group.openDataSet(HADRONS_A2AM_NAME);
datatype = dataset.getCompType();
dataspace = dataset.getSpace();
hdim.resize(dataspace.getSimpleExtentNdims());
dataspace.getSimpleExtentDims(hdim.data());
if ((nt_ * ni_ * nj_ != 0) and
((hdim[0] != nt_) or (hdim[1] != ni_) or (hdim[2] != nj_)))
{
HADRONS_ERROR(Size, "all-to-all matrix size mismatch (got "
+ std::to_string(hdim[0]) + "x" + std::to_string(hdim[1]) + "x"
+ std::to_string(hdim[2]) + ", expected "
+ std::to_string(nt_) + "x" + std::to_string(ni_) + "x"
+ std::to_string(nj_));
}
else if (ni_*nj_ == 0)
{
if (hdim[0] != nt_)
{
HADRONS_ERROR(Size, "all-to-all time size mismatch (got "
+ std::to_string(hdim[0]) + ", expected "
+ std::to_string(nt_) + ")");
}
ni_ = hdim[1];
nj_ = hdim[2];
}
}
if (grid)
{
grid->Broadcast(grid->BossRank(), &ni_, sizeof(unsigned int));
grid->Broadcast(grid->BossRank(), &nj_, sizeof(unsigned int));
}
A2AMatrix<T> buf(ni_, nj_);
int broadcastSize = sizeof(T) * buf.size();
std::vector<hsize_t> count = {1, static_cast<hsize_t>(ni_),
static_cast<hsize_t>(nj_)},
stride = {1, 1, 1},
block = {1, 1, 1},
memCount = {static_cast<hsize_t>(ni_),
static_cast<hsize_t>(nj_)};
H5NS::DataSpace memspace(memCount.size(), memCount.data());
std::cout << "Loading timeslice";
std::cout.flush();
*tRead = 0.;
for (unsigned int tp1 = nt_; tp1 > 0; --tp1)
{
unsigned int t = tp1 - 1;
std::vector<hsize_t> offset = {static_cast<hsize_t>(t), 0, 0};
if (t % 10 == 0)
{
std::cout << " " << t;
std::cout.flush();
}
if (!(grid) || grid->IsBoss())
{
dataspace.selectHyperslab(H5S_SELECT_SET, count.data(), offset.data(),
stride.data(), block.data());
}
if (tRead) *tRead -= usecond();
if (!(grid) || grid->IsBoss())
{
dataset.read(buf.data(), datatype, memspace, dataspace);
}
if (grid)
{
grid->Broadcast(grid->BossRank(), buf.data(), broadcastSize);
}
if (tRead) *tRead += usecond();
v[t] = buf.template cast<VecT>();
}
std::cout << std::endl;
#else
HADRONS_ERROR(Implementation, "all-to-all matrix I/O needs HDF5 library");
#endif
}
/******************************************************************************
* A2AMatrixBlockComputation template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename T, typename Field, typename MetadataType, typename TIo>
A2AMatrixBlockComputation<T, Field, MetadataType, TIo>
::A2AMatrixBlockComputation(GridBase *grid,
const unsigned int orthogDim,
const unsigned int next,
const unsigned int nstr,
const unsigned int blockSize,
const unsigned int cacheBlockSize,
TimerArray *tArray)
: grid_(grid), nt_(grid->GlobalDimensions()[orthogDim]), orthogDim_(orthogDim)
, next_(next), nstr_(nstr), blockSize_(blockSize), cacheBlockSize_(cacheBlockSize)
, tArray_(tArray)
{
mCache_.resize(nt_*next_*nstr_*cacheBlockSize_*cacheBlockSize_);
mBuf_.resize(nt_*next_*nstr_*blockSize_*blockSize_);
}
#define START_TIMER(name) if (tArray_) tArray_->startTimer(name)
#define STOP_TIMER(name) if (tArray_) tArray_->stopTimer(name)
#define GET_TIMER(name) ((tArray_ != nullptr) ? tArray_->getDTimer(name) : 0.)
// execution ///////////////////////////////////////////////////////////////////
template <typename T, typename Field, typename MetadataType, typename TIo>
void A2AMatrixBlockComputation<T, Field, MetadataType, TIo>
::execute(const std::vector<Field> &left, const std::vector<Field> &right,
A2AKernel<T, Field> &kernel, const FilenameFn &ionameFn,
const FilenameFn &filenameFn, const MetadataFn &metadataFn)
{
//////////////////////////////////////////////////////////////////////////
// i,j is first loop over blockSize_ factors
// ii,jj is second loop over cacheBlockSize_ factors for high perf contractions
// iii,jjj are loops within cacheBlock
// Total index is sum of these i+ii+iii etc...
//////////////////////////////////////////////////////////////////////////
int N_i = left.size();
int N_j = right.size();
double flops, bytes, t_kernel;
double nodes = grid_->NodeCount();
int NBlock_i = N_i/blockSize_ + (((N_i % blockSize_) != 0) ? 1 : 0);
int NBlock_j = N_j/blockSize_ + (((N_j % blockSize_) != 0) ? 1 : 0);
for(int i=0;i<N_i;i+=blockSize_)
for(int j=0;j<N_j;j+=blockSize_)
{
// Get the W and V vectors for this block^2 set of terms
int N_ii = MIN(N_i-i,blockSize_);
int N_jj = MIN(N_j-j,blockSize_);
A2AMatrixSet<TIo> mBlock(mBuf_.data(), next_, nstr_, nt_, N_ii, N_jj);
LOG(Message) << "All-to-all matrix block "
<< j/blockSize_ + NBlock_j*i/blockSize_ + 1
<< "/" << NBlock_i*NBlock_j << " [" << i <<" .. "
<< i+N_ii-1 << ", " << j <<" .. " << j+N_jj-1 << "]"
<< std::endl;
// Series of cache blocked chunks of the contractions within this block
flops = 0.0;
bytes = 0.0;
t_kernel = 0.0;
for(int ii=0;ii<N_ii;ii+=cacheBlockSize_)
for(int jj=0;jj<N_jj;jj+=cacheBlockSize_)
{
double t;
int N_iii = MIN(N_ii-ii,cacheBlockSize_);
int N_jjj = MIN(N_jj-jj,cacheBlockSize_);
A2AMatrixSet<T> mCacheBlock(mCache_.data(), next_, nstr_, nt_, N_iii, N_jjj);
START_TIMER("kernel");
kernel(mCacheBlock, &left[i+ii], &right[j+jj], orthogDim_, t);
STOP_TIMER("kernel");
t_kernel += t;
flops += kernel.flops(N_iii, N_jjj);
bytes += kernel.bytes(N_iii, N_jjj);
START_TIMER("cache copy");
thread_for_collapse( 5,e,next_,{
for(int s =0;s< nstr_;s++)
for(int t =0;t< nt_;t++)
for(int iii=0;iii< N_iii;iii++)
for(int jjj=0;jjj< N_jjj;jjj++)
{
mBlock(e,s,t,ii+iii,jj+jjj) = mCacheBlock(e,s,t,iii,jjj);
}
});
STOP_TIMER("cache copy");
}
// perf
LOG(Message) << "Kernel perf " << flops/t_kernel/1.0e3/nodes
<< " Gflop/s/node " << std::endl;
LOG(Message) << "Kernel perf " << bytes/t_kernel*1.0e6/1024/1024/1024/nodes
<< " GB/s/node " << std::endl;
// IO
double blockSize, ioTime;
unsigned int myRank = grid_->ThisRank(), nRank = grid_->RankCount();
LOG(Message) << "Writing block to disk" << std::endl;
ioTime = -GET_TIMER("IO: write block");
START_TIMER("IO: total");
makeFileDir(filenameFn(0, 0), grid_);
#ifdef HADRONS_A2AM_PARALLEL_IO
grid_->Barrier();
// make task list for current node
nodeIo_.clear();
for(int f = myRank; f < next_*nstr_; f += nRank)
{
IoHelper h;
h.i = i;
h.j = j;
h.e = f/nstr_;
h.s = f % nstr_;
h.io = A2AMatrixIo<TIo>(filenameFn(h.e, h.s),
ionameFn(h.e, h.s), nt_, N_i, N_j);
h.md = metadataFn(h.e, h.s);
nodeIo_.push_back(h);
}
// parallel IO
for (auto &h: nodeIo_)
{
saveBlock(mBlock, h);
}
grid_->Barrier();
#else
// serial IO, for testing purposes only
for(int e = 0; e < next_; e++)
for(int s = 0; s < nstr_; s++)
{
IoHelper h;
h.i = i;
h.j = j;
h.e = e;
h.s = s;
h.io = A2AMatrixIo<TIo>(filenameFn(h.e, h.s),
ionameFn(h.e, h.s), nt_, N_i, N_j);
h.md = metadataFn(h.e, h.s);
saveBlock(mfBlock, h);
}
#endif
STOP_TIMER("IO: total");
blockSize = static_cast<double>(next_*nstr_*nt_*N_ii*N_jj*sizeof(TIo));
ioTime += GET_TIMER("IO: write block");
LOG(Message) << "HDF5 IO done " << sizeString(blockSize) << " in "
<< ioTime << " us ("
<< blockSize/ioTime*1.0e6/1024/1024
<< " MB/s)" << std::endl;
}
}
// I/O handler /////////////////////////////////////////////////////////////////
template <typename T, typename Field, typename MetadataType, typename TIo>
void A2AMatrixBlockComputation<T, Field, MetadataType, TIo>
::saveBlock(const A2AMatrixSet<TIo> &m, IoHelper &h)
{
if ((h.i == 0) and (h.j == 0))
{
START_TIMER("IO: file creation");
h.io.initFile(h.md, blockSize_);
STOP_TIMER("IO: file creation");
}
START_TIMER("IO: write block");
h.io.saveBlock(m, h.e, h.s, h.i, h.j);
STOP_TIMER("IO: write block");
}
#undef START_TIMER
#undef STOP_TIMER
#undef GET_TIMER
END_HADRONS_NAMESPACE
#endif // A2A_Matrix_hpp_

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@ -1,342 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/A2AVectors.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: fionnoh <fionnoh@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef A2A_Vectors_hpp_
#define A2A_Vectors_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Environment.hpp>
#include <Hadrons/Solver.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Class to generate V & W all-to-all vectors *
******************************************************************************/
template <typename FImpl>
class A2AVectorsSchurDiagTwo
{
public:
FERM_TYPE_ALIASES(FImpl,);
SOLVER_TYPE_ALIASES(FImpl,);
public:
A2AVectorsSchurDiagTwo(FMat &action, Solver &solver);
virtual ~A2AVectorsSchurDiagTwo(void) = default;
void makeLowModeV(FermionField &vout,
const FermionField &evec, const Real &eval);
void makeLowModeV5D(FermionField &vout_4d, FermionField &vout_5d,
const FermionField &evec, const Real &eval);
void makeLowModeW(FermionField &wout,
const FermionField &evec, const Real &eval);
void makeLowModeW5D(FermionField &wout_4d, FermionField &wout_5d,
const FermionField &evec, const Real &eval);
void makeHighModeV(FermionField &vout, const FermionField &noise);
void makeHighModeV5D(FermionField &vout_4d, FermionField &vout_5d,
const FermionField &noise_5d);
void makeHighModeW(FermionField &wout, const FermionField &noise);
void makeHighModeW5D(FermionField &vout_5d, FermionField &wout_5d,
const FermionField &noise_5d);
private:
FMat &action_;
Solver &solver_;
GridBase *fGrid_, *frbGrid_, *gGrid_;
bool is5d_;
FermionField src_o_, sol_e_, sol_o_, tmp_, tmp5_;
SchurDiagTwoOperator<FMat, FermionField> op_;
};
/******************************************************************************
* Methods for V & W all-to-all vectors I/O *
******************************************************************************/
class A2AVectorsIo
{
public:
struct Record: Serializable
{
GRID_SERIALIZABLE_CLASS_MEMBERS(Record,
unsigned int, index);
Record(void): index(0) {}
};
public:
template <typename Field>
static void write(const std::string fileStem, std::vector<Field> &vec,
const bool multiFile, const int trajectory = -1);
template <typename Field>
static void read(std::vector<Field> &vec, const std::string fileStem,
const bool multiFile, const int trajectory = -1);
private:
static inline std::string vecFilename(const std::string stem, const int traj,
const bool multiFile)
{
std::string t = (traj < 0) ? "" : ("." + std::to_string(traj));
if (multiFile)
{
return stem + t;
}
else
{
return stem + t + ".bin";
}
}
};
/******************************************************************************
* A2AVectorsSchurDiagTwo template implementation *
******************************************************************************/
template <typename FImpl>
A2AVectorsSchurDiagTwo<FImpl>::A2AVectorsSchurDiagTwo(FMat &action, Solver &solver)
: action_(action)
, solver_(solver)
, fGrid_(action_.FermionGrid())
, frbGrid_(action_.FermionRedBlackGrid())
, gGrid_(action_.GaugeGrid())
, src_o_(frbGrid_)
, sol_e_(frbGrid_)
, sol_o_(frbGrid_)
, tmp_(frbGrid_)
, tmp5_(fGrid_)
, op_(action_)
{}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeLowModeV(FermionField &vout, const FermionField &evec, const Real &eval)
{
src_o_ = evec;
src_o_.Checkerboard() = Odd;
pickCheckerboard(Even, sol_e_, vout);
pickCheckerboard(Odd, sol_o_, vout);
/////////////////////////////////////////////////////
// v_ie = -(1/eval_i) * MeeInv Meo MooInv evec_i
/////////////////////////////////////////////////////
action_.MooeeInv(src_o_, tmp_);
assert(tmp_.Checkerboard() == Odd);
action_.Meooe(tmp_, sol_e_);
assert(sol_e_.Checkerboard() == Even);
action_.MooeeInv(sol_e_, tmp_);
assert(tmp_.Checkerboard() == Even);
sol_e_ = (-1.0 / eval) * tmp_;
assert(sol_e_.Checkerboard() == Even);
/////////////////////////////////////////////////////
// v_io = (1/eval_i) * MooInv evec_i
/////////////////////////////////////////////////////
action_.MooeeInv(src_o_, tmp_);
assert(tmp_.Checkerboard() == Odd);
sol_o_ = (1.0 / eval) * tmp_;
assert(sol_o_.Checkerboard() == Odd);
setCheckerboard(vout, sol_e_);
assert(sol_e_.Checkerboard() == Even);
setCheckerboard(vout, sol_o_);
assert(sol_o_.Checkerboard() == Odd);
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeLowModeV5D(FermionField &vout_4d, FermionField &vout_5d, const FermionField &evec, const Real &eval)
{
makeLowModeV(vout_5d, evec, eval);
action_.ExportPhysicalFermionSolution(vout_5d, vout_4d);
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeLowModeW(FermionField &wout, const FermionField &evec, const Real &eval)
{
src_o_ = evec;
src_o_.Checkerboard() = Odd;
pickCheckerboard(Even, sol_e_, wout);
pickCheckerboard(Odd, sol_o_, wout);
/////////////////////////////////////////////////////
// w_ie = - MeeInvDag MoeDag Doo evec_i
/////////////////////////////////////////////////////
op_.Mpc(src_o_, tmp_);
assert(tmp_.Checkerboard() == Odd);
action_.MeooeDag(tmp_, sol_e_);
assert(sol_e_.Checkerboard() == Even);
action_.MooeeInvDag(sol_e_, tmp_);
assert(tmp_.Checkerboard() == Even);
sol_e_ = (-1.0) * tmp_;
/////////////////////////////////////////////////////
// w_io = Doo evec_i
/////////////////////////////////////////////////////
op_.Mpc(src_o_, sol_o_);
assert(sol_o_.Checkerboard() == Odd);
setCheckerboard(wout, sol_e_);
assert(sol_e_.Checkerboard() == Even);
setCheckerboard(wout, sol_o_);
assert(sol_o_.Checkerboard() == Odd);
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeLowModeW5D(FermionField &wout_4d,
FermionField &wout_5d,
const FermionField &evec,
const Real &eval)
{
makeLowModeW(tmp5_, evec, eval);
action_.DminusDag(tmp5_, wout_5d);
action_.ExportPhysicalFermionSource(wout_5d, wout_4d);
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeHighModeV(FermionField &vout,
const FermionField &noise)
{
solver_(vout, noise);
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeHighModeV5D(FermionField &vout_4d,
FermionField &vout_5d,
const FermionField &noise)
{
if (noise.Grid()->Dimensions() == fGrid_->Dimensions() - 1)
{
action_.ImportPhysicalFermionSource(noise, tmp5_);
}
else
{
tmp5_ = noise;
}
makeHighModeV(vout_5d, tmp5_);
action_.ExportPhysicalFermionSolution(vout_5d, vout_4d);
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeHighModeW(FermionField &wout,
const FermionField &noise)
{
wout = noise;
}
template <typename FImpl>
void A2AVectorsSchurDiagTwo<FImpl>::makeHighModeW5D(FermionField &wout_4d,
FermionField &wout_5d,
const FermionField &noise)
{
if (noise.Grid()->Dimensions() == fGrid_->Dimensions() - 1)
{
action_.ImportUnphysicalFermion(noise, wout_5d);
wout_4d = noise;
}
else
{
wout_5d = noise;
action_.ExportPhysicalFermionSource(wout_5d, wout_4d);
}
}
/******************************************************************************
* all-to-all vectors I/O template implementation *
******************************************************************************/
template <typename Field>
void A2AVectorsIo::write(const std::string fileStem, std::vector<Field> &vec,
const bool multiFile, const int trajectory)
{
Record record;
GridBase *grid = vec[0].Grid();
ScidacWriter binWriter(grid->IsBoss());
std::string filename = vecFilename(fileStem, trajectory, multiFile);
if (multiFile)
{
std::string fullFilename;
for (unsigned int i = 0; i < vec.size(); ++i)
{
fullFilename = filename + "/elem" + std::to_string(i) + ".bin";
LOG(Message) << "Writing vector " << i << std::endl;
makeFileDir(fullFilename, grid);
binWriter.open(fullFilename);
record.index = i;
binWriter.writeScidacFieldRecord(vec[i], record);
binWriter.close();
}
}
else
{
makeFileDir(filename, grid);
binWriter.open(filename);
for (unsigned int i = 0; i < vec.size(); ++i)
{
LOG(Message) << "Writing vector " << i << std::endl;
record.index = i;
binWriter.writeScidacFieldRecord(vec[i], record);
}
binWriter.close();
}
}
template <typename Field>
void A2AVectorsIo::read(std::vector<Field> &vec, const std::string fileStem,
const bool multiFile, const int trajectory)
{
Record record;
ScidacReader binReader;
std::string filename = vecFilename(fileStem, trajectory, multiFile);
if (multiFile)
{
std::string fullFilename;
for (unsigned int i = 0; i < vec.size(); ++i)
{
fullFilename = filename + "/elem" + std::to_string(i) + ".bin";
LOG(Message) << "Reading vector " << i << std::endl;
binReader.open(fullFilename);
binReader.readScidacFieldRecord(vec[i], record);
binReader.close();
if (record.index != i)
{
HADRONS_ERROR(Io, "vector index mismatch");
}
}
}
else
{
binReader.open(filename);
for (unsigned int i = 0; i < vec.size(); ++i)
{
LOG(Message) << "Reading vector " << i << std::endl;
binReader.readScidacFieldRecord(vec[i], record);
if (record.index != i)
{
HADRONS_ERROR(Io, "vector index mismatch");
}
}
binReader.close();
}
}
END_HADRONS_NAMESPACE
#endif // A2A_Vectors_hpp_

287
Hadrons/Application.cc
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@ -1,287 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Application.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Application.hpp>
#include <Hadrons/GeneticScheduler.hpp>
#include <Hadrons/Modules.hpp>
using namespace Grid;
using namespace Hadrons;
#define BIG_SEP "================"
#define SEP "----------------"
/******************************************************************************
* Application implementation *
******************************************************************************/
// constructors ////////////////////////////////////////////////////////////////
#define MACOUT(macro) macro << " (" << #macro << ")"
#define MACOUTS(macro) HADRONS_STR(macro) << " (" << #macro << ")"
Application::Application(void)
{
initLogger();
auto dim = GridDefaultLatt(), mpi = GridDefaultMpi(), loc(dim);
if (dim.size())
{
locVol_ = 1;
for (unsigned int d = 0; d < dim.size(); ++d)
{
loc[d] /= mpi[d];
locVol_ *= loc[d];
}
LOG(Message) << "====== HADRONS APPLICATION INITIALISATION ======" << std::endl;
LOG(Message) << "** Dimensions" << std::endl;
LOG(Message) << "Global lattice: " << dim << std::endl;
LOG(Message) << "MPI partition : " << mpi << std::endl;
LOG(Message) << "Local lattice : " << loc << std::endl;
LOG(Message) << std::endl;
LOG(Message) << "** Default parameters (and associated C macros)" << std::endl;
LOG(Message) << "ASCII output precision : " << MACOUT(DEFAULT_ASCII_PREC) << std::endl;
LOG(Message) << "Fermion implementation : " << MACOUTS(FIMPLBASE) << std::endl;
LOG(Message) << "z-Fermion implementation: " << MACOUTS(ZFIMPLBASE) << std::endl;
LOG(Message) << "Scalar implementation : " << MACOUTS(SIMPLBASE) << std::endl;
LOG(Message) << "Gauge implementation : " << MACOUTS(GIMPLBASE) << std::endl;
LOG(Message) << "Eigenvector base size : "
<< MACOUT(HADRONS_DEFAULT_LANCZOS_NBASIS) << std::endl;
LOG(Message) << "Schur decomposition : " << MACOUTS(HADRONS_DEFAULT_SCHUR) << std::endl;
LOG(Message) << std::endl;
}
}
Application::Application(const Application::GlobalPar &par)
: Application()
{
setPar(par);
}
Application::Application(const std::string parameterFileName)
: Application()
{
parameterFileName_ = parameterFileName;
}
// access //////////////////////////////////////////////////////////////////////
void Application::setPar(const Application::GlobalPar &par)
{
par_ = par;
}
const Application::GlobalPar & Application::getPar(void)
{
return par_;
}
// execute /////////////////////////////////////////////////////////////////////
void Application::run(void)
{
LOG(Message) << "====== HADRONS APPLICATION START ======" << std::endl;
if (!parameterFileName_.empty() and (vm().getNModule() == 0))
{
parseParameterFile(parameterFileName_);
}
if (getPar().runId.empty())
{
HADRONS_ERROR(Definition, "run id is empty");
}
LOG(Message) << "RUN ID '" << getPar().runId << "'" << std::endl;
BinaryIO::latticeWriteMaxRetry = getPar().parallelWriteMaxRetry;
LOG(Message) << "Attempt(s) for resilient parallel I/O: "
<< BinaryIO::latticeWriteMaxRetry << std::endl;
vm().setRunId(getPar().runId);
vm().printContent();
env().printContent();
if (getPar().saveSchedule or getPar().scheduleFile.empty())
{
schedule();
if (getPar().saveSchedule)
{
std::string filename;
filename = (getPar().scheduleFile.empty()) ?
"hadrons.sched" : getPar().scheduleFile;
saveSchedule(filename);
}
}
else
{
loadSchedule(getPar().scheduleFile);
}
printSchedule();
if (!getPar().graphFile.empty())
{
makeFileDir(getPar().graphFile, env().getGrid());
vm().dumpModuleGraph(getPar().graphFile);
}
configLoop();
}
// parse parameter file ////////////////////////////////////////////////////////
class ObjectId: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(ObjectId,
std::string, name,
std::string, type);
};
void Application::parseParameterFile(const std::string parameterFileName)
{
XmlReader reader(parameterFileName);
GlobalPar par;
ObjectId id;
LOG(Message) << "Building application from '" << parameterFileName << "'..." << std::endl;
read(reader, "parameters", par);
setPar(par);
if (!push(reader, "modules"))
{
HADRONS_ERROR(Parsing, "Cannot open node 'modules' in parameter file '"
+ parameterFileName + "'");
}
if (!push(reader, "module"))
{
HADRONS_ERROR(Parsing, "Cannot open node 'modules/module' in parameter file '"
+ parameterFileName + "'");
}
do
{
read(reader, "id", id);
vm().createModule(id.name, id.type, reader);
} while (reader.nextElement("module"));
pop(reader);
pop(reader);
}
void Application::saveParameterFile(const std::string parameterFileName, unsigned int prec)
{
LOG(Message) << "Saving application to '" << parameterFileName << "'..." << std::endl;
if (env().getGrid()->IsBoss())
{
XmlWriter writer(parameterFileName);
writer.setPrecision(prec);
ObjectId id;
const unsigned int nMod = vm().getNModule();
write(writer, "parameters", getPar());
push(writer, "modules");
for (unsigned int i = 0; i < nMod; ++i)
{
push(writer, "module");
id.name = vm().getModuleName(i);
id.type = vm().getModule(i)->getRegisteredName();
write(writer, "id", id);
vm().getModule(i)->saveParameters(writer, "options");
pop(writer);
}
pop(writer);
pop(writer);
}
}
// schedule computation ////////////////////////////////////////////////////////
void Application::schedule(void)
{
if (!scheduled_ and !loadedSchedule_)
{
program_ = vm().schedule(par_.genetic);
scheduled_ = true;
}
}
void Application::saveSchedule(const std::string filename)
{
LOG(Message) << "Saving current schedule to '" << filename << "'..."
<< std::endl;
if (env().getGrid()->IsBoss())
{
TextWriter writer(filename);
std::vector<std::string> program;
if (!scheduled_)
{
HADRONS_ERROR(Definition, "Computation not scheduled");
}
for (auto address: program_)
{
program.push_back(vm().getModuleName(address));
}
write(writer, "schedule", program);
}
}
void Application::loadSchedule(const std::string filename)
{
TextReader reader(filename);
std::vector<std::string> program;
LOG(Message) << "Loading schedule from '" << filename << "'..."
<< std::endl;
read(reader, "schedule", program);
program_.clear();
for (auto &name: program)
{
program_.push_back(vm().getModuleAddress(name));
}
loadedSchedule_ = true;
scheduled_ = true;
}
void Application::printSchedule(void)
{
if (!scheduled_ and !loadedSchedule_)
{
HADRONS_ERROR(Definition, "Computation not scheduled");
}
auto peak = vm().memoryNeeded(program_);
LOG(Message) << "Schedule (memory needed: " << sizeString(peak) << "):"
<< std::endl;
for (unsigned int i = 0; i < program_.size(); ++i)
{
LOG(Message) << std::setw(4) << i + 1 << ": "
<< vm().getModuleName(program_[i]) << std::endl;
}
}
// loop on configurations //////////////////////////////////////////////////////
void Application::configLoop(void)
{
auto range = par_.trajCounter;
for (unsigned int t = range.start; t < range.end; t += range.step)
{
LOG(Message) << BIG_SEP << " Starting measurement for trajectory " << t
<< " " << BIG_SEP << std::endl;
vm().setTrajectory(t);
vm().executeProgram(program_);
}
LOG(Message) << BIG_SEP << " End of measurement " << BIG_SEP << std::endl;
env().freeAll();
}

126
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Application.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Application_hpp_
#define Hadrons_Application_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/VirtualMachine.hpp>
#include <Hadrons/Module.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Main program manager *
******************************************************************************/
class Application
{
public:
class TrajRange: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(TrajRange,
unsigned int, start,
unsigned int, end,
unsigned int, step);
};
class GlobalPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(GlobalPar,
TrajRange, trajCounter,
VirtualMachine::GeneticPar, genetic,
std::string, runId,
std::string, graphFile,
std::string, scheduleFile,
bool, saveSchedule,
int, parallelWriteMaxRetry);
GlobalPar(void): parallelWriteMaxRetry{-1} {}
};
public:
// constructors
Application(void);
Application(const GlobalPar &par);
Application(const std::string parameterFileName);
// destructor
virtual ~Application(void) = default;
// access
void setPar(const GlobalPar &par);
const GlobalPar & getPar(void);
// module creation
template <typename M>
void createModule(const std::string name);
template <typename M>
void createModule(const std::string name, const typename M::Par &par);
// execute
void run(void);
// XML parameter file I/O
void parseParameterFile(const std::string parameterFileName);
void saveParameterFile(const std::string parameterFileName, unsigned int prec=15);
// schedule computation
void schedule(void);
void saveSchedule(const std::string filename);
void loadSchedule(const std::string filename);
void printSchedule(void);
// loop on configurations
void configLoop(void);
private:
// environment shortcut
DEFINE_ENV_ALIAS;
// virtual machine shortcut
DEFINE_VM_ALIAS;
private:
long unsigned int locVol_;
std::string parameterFileName_{""};
GlobalPar par_;
VirtualMachine::Program program_;
bool scheduled_{false}, loadedSchedule_{false};
};
/******************************************************************************
* Application template implementation *
******************************************************************************/
// module creation /////////////////////////////////////////////////////////////
template <typename M>
void Application::createModule(const std::string name)
{
vm().createModule<M>(name);
scheduled_ = false;
}
template <typename M>
void Application::createModule(const std::string name,
const typename M::Par &par)
{
vm().createModule<M>(name, par);
scheduled_ = false;
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Application_hpp_

564
Hadrons/Archive/Modules/ScalarVP.cc
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/ScalarVP.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: James Harrison <jch1g10@soton.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MScalar/ChargedProp.hpp>
#include <Hadrons/Modules/MScalar/ScalarVP.hpp>
#include <Hadrons/Modules/MScalar/Scalar.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MScalar;
/*
* Scalar QED vacuum polarisation up to O(alpha)
*
* Conserved vector 2-point function diagram notation:
* _______
* / \
* U_nu * * U_mu
* \_______/
*
* ( adj(S(a\hat{nu}|x)) U_mu(x) S(0|x+a\hat{mu}) U_nu(0) )
* = 2 Re( - )
* ( adj(S(a\hat{nu}|x+a\hat{mu})) adj(U_mu(x)) S(0|x) U_nu(0) )
*
*
* _______
* / \
* free = 1 * * 1
* \_______/
*
*
*
* _______
* / \
* S = iA_nu * * iA_mu
* \_______/
*
*
* Delta_1
* ___*___
* / \
* X = 1 * * 1
* \___*___/
* Delta_1
*
* Delta_1 Delta_1
* ___*___ ___*___
* / \ / \
* 1 * * iA_mu + iA_nu * * 1
* \_______/ \_______/
* 4C = _______ _______
* / \ / \
* + 1 * * iA_mu + iA_nu * * 1
* \___*___/ \___*___/
* Delta_1 Delta_1
*
* Delta_1 Delta_1
* _*___*_ _______
* / \ / \
* 2E = 1 * * 1 + 1 * * 1
* \_______/ \_*___*_/
* Delta_1 Delta_1
*
* Delta_2
* ___*___ _______
* / \ / \
* 2T = 1 * * 1 + 1 * * 1
* \_______/ \___*___/
* Delta_2
*
*
* _______
* / \
* srcT = -A_nu^2/2 * * 1
* \_______/
*
*
*
* _______
* / \
* snkT = 1 * * -A_mu^2/2
* \_______/
*
* Full VP to O(alpha) = free + q^2*(S+X+4C+2E+2T+srcT+snkT)
*/
/******************************************************************************
* TScalarVP implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TScalarVP::TScalarVP(const std::string name)
: Module<ScalarVPPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TScalarVP::getInput(void)
{
prop0Name_ = par().scalarProp + "_0";
propQName_ = par().scalarProp + "_Q";
propSunName_ = par().scalarProp + "_Sun";
propTadName_ = par().scalarProp + "_Tad";
std::vector<std::string> in = {par().emField, prop0Name_, propQName_,
propSunName_, propTadName_};
return in;
}
std::vector<std::string> TScalarVP::getOutput(void)
{
std::vector<std::string> out;
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
// out.push_back(getName() + "_propQ_" + std::to_string(mu));
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
out.push_back(getName() + "_" + std::to_string(mu)
+ "_" + std::to_string(nu));
}
}
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TScalarVP::setup(void)
{
freeMomPropName_ = FREEMOMPROP(static_cast<TChargedProp *>(vm().getModule(par().scalarProp))->par().mass);
GFSrcName_ = par().scalarProp + "_DinvSrc";
fftName_ = par().scalarProp + "_fft";
phaseName_.clear();
muPropQName_.clear();
vpTensorName_.clear();
momPhaseName_.clear();
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
phaseName_.push_back("_shiftphase_" + std::to_string(mu));
muPropQName_.push_back(getName() + "_propQ_" + std::to_string(mu));
std::vector<std::string> vpTensorName_mu;
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
vpTensorName_mu.push_back(getName() + "_" + std::to_string(mu)
+ "_" + std::to_string(nu));
}
vpTensorName_.push_back(vpTensorName_mu);
}
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
momPhaseName_.push_back("_momentumphase_" + std::to_string(i_p));
}
}
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
envCreateLat(ScalarField, muPropQName_[mu]);
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
envCreateLat(ScalarField, vpTensorName_[mu][nu]);
}
}
if (!par().output.empty())
{
momPhasesDone_ = env().hasCreatedObject(momPhaseName_[0]);
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
envCacheLat(ScalarField, momPhaseName_[i_p]);
}
}
envTmpLat(ScalarField, "buf");
envTmpLat(ScalarField, "result");
envTmpLat(ScalarField, "Amu");
envTmpLat(ScalarField, "Usnk");
envTmpLat(ScalarField, "tmpProp");
}
// execution ///////////////////////////////////////////////////////////////////
void TScalarVP::execute(void)
{
// CACHING ANALYTIC EXPRESSIONS
makeCaches();
Complex ci(0.0,1.0);
Real q = static_cast<TChargedProp *>(vm().getModule(par().scalarProp))->par().charge;
auto &prop0 = envGet(ScalarField, prop0Name_);
auto &propQ = envGet(ScalarField, propQName_);
auto &propSun = envGet(ScalarField, propSunName_);
auto &propTad = envGet(ScalarField, propTadName_);
auto &GFSrc = envGet(ScalarField, GFSrcName_);
auto &G = envGet(ScalarField, freeMomPropName_);
auto &fft = envGet(FFT, fftName_);
phase_.clear();
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
auto &phmu = envGet(ScalarField, phaseName_[mu]);
phase_.push_back(&phmu);
}
// PROPAGATORS FROM SHIFTED SOURCES
LOG(Message) << "Computing O(q) charged scalar propagators..."
<< std::endl;
std::vector<ScalarField *> muPropQ;
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
auto &propmu = envGet(ScalarField, muPropQName_[mu]);
// -G*momD1*G*F*tau_mu*Src (momD1 = F*D1*Finv)
propmu = adj(*phase_[mu])*GFSrc;
momD1(propmu, fft);
propmu = -G*propmu;
fft.FFT_all_dim(propmu, propmu, FFT::backward);
muPropQ.push_back(&propmu);
}
// CONTRACTIONS
auto &A = envGet(EmField, par().emField);
envGetTmp(ScalarField, buf);
envGetTmp(ScalarField, result);
envGetTmp(ScalarField, Amu);
envGetTmp(ScalarField, Usnk);
envGetTmp(ScalarField, tmpProp);
TComplex Anu0, Usrc;
std::vector<int> coor0 = {0, 0, 0, 0};
std::vector<std::vector<ScalarField *> > vpTensor;
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
std::vector<ScalarField *> vpTensor_mu;
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
auto &vpmunu = envGet(ScalarField, vpTensorName_[mu][nu]);
vpTensor_mu.push_back(&vpmunu);
}
vpTensor.push_back(vpTensor_mu);
}
// Prepare output data structure if necessary
Result outputData;
if (!par().output.empty())
{
outputData.projection.resize(par().outputMom.size());
outputData.lattice_size = env().getGrid()->FullDimensions().toVector();
outputData.mass = static_cast<TChargedProp *>(vm().getModule(par().scalarProp))->par().mass;
outputData.charge = q;
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
outputData.projection[i_p].momentum = strToVec<int>(par().outputMom[i_p]);
outputData.projection[i_p].pi.resize(env().getNd());
outputData.projection[i_p].pi_free.resize(env().getNd());
outputData.projection[i_p].pi_2E.resize(env().getNd());
outputData.projection[i_p].pi_2T.resize(env().getNd());
outputData.projection[i_p].pi_S.resize(env().getNd());
outputData.projection[i_p].pi_4C.resize(env().getNd());
outputData.projection[i_p].pi_X.resize(env().getNd());
outputData.projection[i_p].pi_srcT.resize(env().getNd());
outputData.projection[i_p].pi_snkT.resize(env().getNd());
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
outputData.projection[i_p].pi[nu].resize(env().getNd());
outputData.projection[i_p].pi_free[nu].resize(env().getNd());
outputData.projection[i_p].pi_2E[nu].resize(env().getNd());
outputData.projection[i_p].pi_2T[nu].resize(env().getNd());
outputData.projection[i_p].pi_S[nu].resize(env().getNd());
outputData.projection[i_p].pi_4C[nu].resize(env().getNd());
outputData.projection[i_p].pi_X[nu].resize(env().getNd());
outputData.projection[i_p].pi_srcT[nu].resize(env().getNd());
outputData.projection[i_p].pi_snkT[nu].resize(env().getNd());
}
}
}
// Do contractions
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
peekSite(Anu0, peekLorentz(A, nu), coor0);
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
LOG(Message) << "Computing Pi[" << mu << "][" << nu << "]..."
<< std::endl;
Amu = peekLorentz(A, mu);
// free
tmpProp = Cshift(prop0, nu, -1); // S_0(0|x-a\hat{\nu})
// = S_0(a\hat{\nu}|x)
Usrc = Complex(1.0,0.0);
vpContraction(result, prop0, tmpProp, Usrc, mu);
*vpTensor[mu][nu] = result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_free[mu][nu], result,
i_p);
}
}
tmpProp = result; // Just using tmpProp as a temporary ScalarField
// here (buf is modified by calls to writeVP())
// srcT
result = tmpProp * (-0.5)*Anu0*Anu0;
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_srcT[mu][nu], result,
i_p);
}
}
// snkT
result = tmpProp * (-0.5)*Amu*Amu;
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_snkT[mu][nu], result,
i_p);
}
}
// S
tmpProp = Cshift(prop0, nu, -1); // S_0(a\hat{\nu}|x)
Usrc = ci*Anu0;
Usnk = ci*Amu;
vpContraction(result, prop0, tmpProp, Usrc, Usnk, mu);
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_S[mu][nu], result,
i_p);
}
}
// 4C
tmpProp = Cshift(prop0, nu, -1); // S_0(a\hat{\nu}|x)
Usrc = Complex(1.0,0.0);
Usnk = ci*Amu;
vpContraction(result, propQ, tmpProp, Usrc, Usnk, mu);
Usrc = ci*Anu0;
vpContraction(buf, propQ, tmpProp, Usrc, mu);
result += buf;
vpContraction(buf, prop0, *muPropQ[nu], Usrc, mu);
result += buf;
Usrc = Complex(1.0,0.0);
Usnk = ci*Amu;
vpContraction(buf, prop0, *muPropQ[nu], Usrc, Usnk, mu);
result += buf;
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_4C[mu][nu], result,
i_p);
}
}
// X
Usrc = Complex(1.0,0.0);
vpContraction(result, propQ, *muPropQ[nu], Usrc, mu);
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_X[mu][nu], result,
i_p);
}
}
// 2E
tmpProp = Cshift(prop0, nu, -1); // S_0(a\hat{\nu}|x)
Usrc = Complex(1.0,0.0);
vpContraction(result, propSun, tmpProp, Usrc, mu);
tmpProp = Cshift(propSun, nu, -1); // S_\Sigma(0|x-a\hat{\nu})
//(Note: <S(0|x-a\hat{\nu})> = <S(a\hat{\nu}|x)>)
vpContraction(buf, prop0, tmpProp, Usrc, mu);
result += buf;
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_2E[mu][nu], result,
i_p);
}
}
// 2T
tmpProp = Cshift(prop0, nu, -1); // S_0(a\hat{\nu}|x)
Usrc = Complex(1.0,0.0);
vpContraction(result, propTad, tmpProp, Usrc, mu);
tmpProp = Cshift(propTad, nu, -1); // S_T(0|x-a\hat{\nu})
vpContraction(buf, prop0, tmpProp, Usrc, mu);
result += buf;
*vpTensor[mu][nu] += q*q*result;
// Do momentum projections if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi_2T[mu][nu], result,
i_p);
}
}
// Do momentum projections of full VP if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pi[mu][nu],
*vpTensor[mu][nu], i_p);
}
}
}
}
// OUTPUT IF NECESSARY
if (!par().output.empty())
{
LOG(Message) << "Saving momentum-projected HVP to '"
<< RESULT_FILE_NAME(par().output, vm().getTrajectory()) << "'..."
<< std::endl;
saveResult(par().output, "HVP", outputData);
}
}
void TScalarVP::makeCaches(void)
{
envGetTmp(ScalarField, buf);
if ( (!par().output.empty()) && (!momPhasesDone_) )
{
LOG(Message) << "Caching phases for momentum projections..."
<< std::endl;
auto l = env().getGrid()->FullDimensions();
Complex ci(0.0,1.0);
// Calculate phase factors
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
std::vector<int> mom = strToVec<int>(par().outputMom[i_p]);
auto &momph_ip = envGet(ScalarField, momPhaseName_[i_p]);
momph_ip = Zero();
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
Real twoPiL = M_PI*2./l[j];
LatticeCoordinate(buf, j);
buf = mom[j]*twoPiL*buf;
momph_ip = momph_ip + buf;
}
momph_ip = exp(-ci*momph_ip);
momPhase_.push_back(&momph_ip);
}
}
}
void TScalarVP::vpContraction(ScalarField &vp,
ScalarField &prop_0_x, ScalarField &prop_nu_x,
TComplex u_src, ScalarField &u_snk, int mu)
{
// Note: this function assumes a point source is used.
vp = adj(prop_nu_x) * u_snk * Cshift(prop_0_x, mu, 1) * u_src;
vp -= Cshift(adj(prop_nu_x), mu, 1) * adj(u_snk) * prop_0_x * u_src;
vp = 2.0*real(vp);
}
void TScalarVP::vpContraction(ScalarField &vp,
ScalarField &prop_0_x, ScalarField &prop_nu_x,
TComplex u_src, int mu)
{
// Note: this function assumes a point source is used.
vp = adj(prop_nu_x) * Cshift(prop_0_x, mu, 1) * u_src;
vp -= Cshift(adj(prop_nu_x), mu, 1) * prop_0_x * u_src;
vp = 2.0*real(vp);
}
void TScalarVP::project(std::vector<Complex> &projection, const ScalarField &vp, int i_p)
{
std::vector<TComplex> vecBuf;
envGetTmp(ScalarField, buf);
buf = vp*(*momPhase_[i_p]);
sliceSum(buf, vecBuf, Tp);
projection.resize(vecBuf.size());
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
projection[t] = TensorRemove(vecBuf[t]);
}
}
void TScalarVP::momD1(ScalarField &s, FFT &fft)
{
auto &A = envGet(EmField, par().emField);
Complex ci(0.0,1.0);
envGetTmp(ScalarField, buf);
envGetTmp(ScalarField, result);
envGetTmp(ScalarField, Amu);
result = Zero();
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
Amu = peekLorentz(A, mu);
buf = (*phase_[mu])*s;
fft.FFT_all_dim(buf, buf, FFT::backward);
buf = Amu*buf;
fft.FFT_all_dim(buf, buf, FFT::forward);
result = result - ci*buf;
}
fft.FFT_all_dim(s, s, FFT::backward);
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
Amu = peekLorentz(A, mu);
buf = Amu*s;
fft.FFT_all_dim(buf, buf, FFT::forward);
result = result + ci*adj(*phase_[mu])*buf;
}
s = result;
}

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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/ScalarVP.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: James Harrison <jch1g10@soton.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MScalar_ScalarVP_hpp_
#define Hadrons_MScalar_ScalarVP_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Scalar vacuum polarisation *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MScalar)
class ScalarVPPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(ScalarVPPar,
std::string, emField,
std::string, scalarProp,
std::string, output,
std::vector<std::string>, outputMom);
};
class TScalarVP: public Module<ScalarVPPar>
{
public:
BASIC_TYPE_ALIASES(SIMPL,);
typedef PhotonR::GaugeField EmField;
typedef PhotonR::GaugeLinkField EmComp;
class Result: Serializable
{
public:
class Projection: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Projection,
std::vector<int>, momentum,
std::vector<std::vector<std::vector<Complex>>>, pi,
std::vector<std::vector<std::vector<Complex>>>, pi_free,
std::vector<std::vector<std::vector<Complex>>>, pi_2E,
std::vector<std::vector<std::vector<Complex>>>, pi_2T,
std::vector<std::vector<std::vector<Complex>>>, pi_S,
std::vector<std::vector<std::vector<Complex>>>, pi_4C,
std::vector<std::vector<std::vector<Complex>>>, pi_X,
std::vector<std::vector<std::vector<Complex>>>, pi_srcT,
std::vector<std::vector<std::vector<Complex>>>, pi_snkT);
};
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
std::vector<int>, lattice_size,
double, mass,
double, charge,
std::vector<Projection>, projection);
};
public:
// constructor
TScalarVP(const std::string name);
// destructor
virtual ~TScalarVP(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
void makeCaches(void);
// conserved vector two-point contraction
void vpContraction(ScalarField &vp,
ScalarField &prop_0_x, ScalarField &prop_nu_x,
TComplex u_src, ScalarField &u_snk, int mu);
// conserved vector two-point contraction with unit gauge link at sink
void vpContraction(ScalarField &vp,
ScalarField &prop_0_x, ScalarField &prop_nu_x,
TComplex u_src, int mu);
// write momentum-projected vacuum polarisation to file(s)
void project(std::vector<Complex> &projection, const ScalarField &vp,
int i_p);
// momentum-space Delta_1 insertion
void momD1(ScalarField &s, FFT &fft);
private:
bool momPhasesDone_;
std::string freeMomPropName_, GFSrcName_,
prop0Name_, propQName_,
propSunName_, propTadName_,
fftName_;
std::vector<std::string> phaseName_, muPropQName_,
momPhaseName_;
std::vector<std::vector<std::string> > vpTensorName_;
std::vector<ScalarField *> phase_, momPhase_;
};
MODULE_REGISTER(ScalarVP, TScalarVP, MScalar);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MScalar_ScalarVP_hpp_

35
Hadrons/Archive/Modules/TestSeqConserved.cc
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/TestSeqConserved.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MUtilities/TestSeqConserved.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MUtilities;
template class Grid::Hadrons::MUtilities::TTestSeqConserved<FIMPL>;

186
Hadrons/Archive/Modules/TestSeqConserved.hpp
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@ -1,186 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/TestSeqConserved.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MUtilities_TestSeqConserved_hpp_
#define Hadrons_MUtilities_TestSeqConserved_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/*
Ward Identity contractions using sequential propagators.
-----------------------------
* options:
- q: point source propagator, 5D if available (string)
- qSeq: result of sequential insertion of conserved current using q (string)
- action: action used for computation of q (string)
- origin: string giving point source origin of q (string)
- t_J: time at which sequential current is inserted (int)
- mu: Lorentz index of current inserted (int)
- curr: current type, e.g. vector/axial (Current)
*/
/******************************************************************************
* TestSeqConserved *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MUtilities)
class TestSeqConservedPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(TestSeqConservedPar,
std::string, q,
std::string, qSeq,
std::string, action,
std::string, origin,
unsigned int, t_J,
unsigned int, mu,
Current, curr);
};
template <typename FImpl>
class TTestSeqConserved: public Module<TestSeqConservedPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TTestSeqConserved(const std::string name);
// destructor
virtual ~TTestSeqConserved(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(TestSeqConserved, TTestSeqConserved<FIMPL>, MUtilities);
/******************************************************************************
* TTestSeqConserved implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TTestSeqConserved<FImpl>::TTestSeqConserved(const std::string name)
: Module<TestSeqConservedPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TTestSeqConserved<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().q, par().qSeq, par().action};
return in;
}
template <typename FImpl>
std::vector<std::string> TTestSeqConserved<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TTestSeqConserved<FImpl>::setup(void)
{
auto Ls = env().getObjectLs(par().q);
if (Ls != env().getObjectLs(par().action))
{
HADRONS_ERROR(Size, "Ls mismatch between quark action and propagator");
}
envTmpLat(PropagatorField, "tmp");
envTmpLat(LatticeComplex, "c");
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TTestSeqConserved<FImpl>::execute(void)
{
// Check sequential insertion of current gives same result as conserved
// current sink upon contraction. Assume q uses a point source.
auto &q = envGet(PropagatorField, par().q);
auto &qSeq = envGet(PropagatorField, par().qSeq);
auto &act = envGet(FMat, par().action);
Gamma g5(Gamma::Algebra::Gamma5);
Gamma::Algebra gA = (par().curr == Current::Axial) ?
Gamma::Algebra::Gamma5 :
Gamma::Algebra::Identity;
Gamma g(gA);
SitePropagator qSite;
Complex test_S, test_V, check_S, check_V;
std::vector<TComplex> check_buf;
std::vector<int> siteCoord;
envGetTmp(PropagatorField, tmp);
envGetTmp(LatticeComplex, c);
siteCoord = strToVec<int>(par().origin);
peekSite(qSite, qSeq, siteCoord);
test_S = trace(qSite*g);
test_V = trace(qSite*g*Gamma::gmu[par().mu]);
act.ContractConservedCurrent(q, q, tmp, par().curr, par().mu);
c = trace(tmp*g);
sliceSum(c, check_buf, Tp);
check_S = TensorRemove(check_buf[par().t_J]);
c = trace(tmp*g*Gamma::gmu[par().mu]);
sliceSum(c, check_buf, Tp);
check_V = TensorRemove(check_buf[par().t_J]);
LOG(Message) << "Test S = " << abs(test_S) << std::endl;
LOG(Message) << "Test V = " << abs(test_V) << std::endl;
LOG(Message) << "Check S = " << abs(check_S) << std::endl;
LOG(Message) << "Check V = " << abs(check_V) << std::endl;
// Check difference = 0
check_S -= test_S;
check_V -= test_V;
LOG(Message) << "Consistency check for sequential conserved "
<< par().curr << " current insertion: " << std::endl;
LOG(Message) << "Diff S = " << abs(check_S) << std::endl;
LOG(Message) << "Diff V = " << abs(check_V) << std::endl;
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_TestSeqConserved_hpp_

35
Hadrons/Archive/Modules/TestSeqGamma.cc
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@ -1,35 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/TestSeqGamma.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MUtilities/TestSeqGamma.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MUtilities;
template class Grid::Hadrons::MUtilities::TTestSeqGamma<FIMPL>;

150
Hadrons/Archive/Modules/TestSeqGamma.hpp
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@ -1,150 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/TestSeqGamma.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MUtilities_TestSeqGamma_hpp_
#define Hadrons_MUtilities_TestSeqGamma_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* TestSeqGamma *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MUtilities)
class TestSeqGammaPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(TestSeqGammaPar,
std::string, q,
std::string, qSeq,
std::string, origin,
Gamma::Algebra, gamma,
unsigned int, t_g);
};
template <typename FImpl>
class TTestSeqGamma: public Module<TestSeqGammaPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TTestSeqGamma(const std::string name);
// destructor
virtual ~TTestSeqGamma(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(TestSeqGamma, TTestSeqGamma<FIMPL>, MUtilities);
/******************************************************************************
* TTestSeqGamma implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TTestSeqGamma<FImpl>::TTestSeqGamma(const std::string name)
: Module<TestSeqGammaPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TTestSeqGamma<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().q, par().qSeq};
return in;
}
template <typename FImpl>
std::vector<std::string> TTestSeqGamma<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TTestSeqGamma<FImpl>::setup(void)
{
envTmpLat(LatticeComplex, "c");
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TTestSeqGamma<FImpl>::execute(void)
{
auto &q = envGet(PropagatorField, par().q);
auto &qSeq = envGet(PropagatorField, par().qSeq);
Gamma g5(Gamma::Algebra::Gamma5);
Gamma g(par().gamma);
SitePropagator qSite;
Complex test, check;
std::vector<TComplex> check_buf;
std::vector<int> siteCoord;
// Check sequential insertion of gamma matrix gives same result as
// insertion of gamma at sink upon contraction. Assume q uses a point
// source.
envGetTmp(LatticeComplex, c);
siteCoord = strToVec<int>(par().origin);
peekSite(qSite, qSeq, siteCoord);
test = trace(g*qSite);
c = trace(adj(g)*g5*adj(q)*g5*g*q);
sliceSum(c, check_buf, Tp);
check = TensorRemove(check_buf[par().t_g]);
LOG(Message) << "Seq Result = " << abs(test) << std::endl;
LOG(Message) << "Reference = " << abs(check) << std::endl;
// Check difference = 0
check -= test;
LOG(Message) << "Consistency check for sequential " << par().gamma
<< " insertion = " << abs(check) << std::endl;
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_TestSeqGamma_hpp_

260
Hadrons/Archive/Modules/VPCounterTerms.cc
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@ -1,260 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/VPCounterTerms.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: James Harrison <jch1g10@soton.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MScalar/VPCounterTerms.hpp>
#include <Hadrons/Modules/MScalar/Scalar.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MScalar;
/******************************************************************************
* TVPCounterTerms implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TVPCounterTerms::TVPCounterTerms(const std::string name)
: Module<VPCounterTermsPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TVPCounterTerms::getInput(void)
{
std::vector<std::string> in = {par().source};
return in;
}
std::vector<std::string> TVPCounterTerms::getOutput(void)
{
std::vector<std::string> out;
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TVPCounterTerms::setup(void)
{
freeMomPropName_ = FREEMOMPROP(par().mass);
phaseName_.clear();
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
phaseName_.push_back("_shiftphase_" + std::to_string(mu));
}
GFSrcName_ = getName() + "_DinvSrc";
phatsqName_ = getName() + "_pHatSquared";
prop0Name_ = getName() + "_freeProp";
twoscalarName_ = getName() + "_2scalarProp";
psquaredName_ = getName() + "_psquaredProp";
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
momPhaseName_.push_back("_momentumphase_" + std::to_string(i_p));
}
}
envCreateLat(ScalarField, freeMomPropName_);
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
envCreateLat(ScalarField, phaseName_[mu]);
}
envCreateLat(ScalarField, phatsqName_);
envCreateLat(ScalarField, GFSrcName_);
envCreateLat(ScalarField, prop0Name_);
envCreateLat(ScalarField, twoscalarName_);
envCreateLat(ScalarField, psquaredName_);
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
envCacheLat(ScalarField, momPhaseName_[i_p]);
}
}
envTmpLat(ScalarField, "buf");
envTmpLat(ScalarField, "tmp_vp");
envTmpLat(ScalarField, "vpPhase");
}
// execution ///////////////////////////////////////////////////////////////////
void TVPCounterTerms::execute(void)
{
auto &source = envGet(ScalarField, par().source);
Complex ci(0.0,1.0);
FFT fft(env().getGrid());
envGetTmp(ScalarField, buf);
envGetTmp(ScalarField, tmp_vp);
// Momentum-space free scalar propagator
auto &G = envGet(ScalarField, freeMomPropName_);
SIMPL::MomentumSpacePropagator(G, par().mass);
// Phases and hat{p}^2
auto &phatsq = envGet(ScalarField, phatsqName_);
Coordinate l = env().getGrid()->FullDimensions();
LOG(Message) << "Calculating shift phases..." << std::endl;
phatsq = Zero();
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
Real twoPiL = M_PI*2./l[mu];
auto &phmu = envGet(ScalarField, phaseName_[mu]);
LatticeCoordinate(buf, mu);
phmu = exp(ci*twoPiL*buf);
phase_.push_back(&phmu);
buf = 2.*sin(.5*twoPiL*buf);
phatsq = phatsq + buf*buf;
}
// G*F*src
auto &GFSrc = envGet(ScalarField, GFSrcName_);
fft.FFT_all_dim(GFSrc, source, FFT::forward);
GFSrc = G*GFSrc;
// Position-space free scalar propagator
auto &prop0 = envGet(ScalarField, prop0Name_);
prop0 = GFSrc;
fft.FFT_all_dim(prop0, prop0, FFT::backward);
// Propagators for counter-terms
auto &twoscalarProp = envGet(ScalarField, twoscalarName_);
auto &psquaredProp = envGet(ScalarField, psquaredName_);
twoscalarProp = G*GFSrc;
fft.FFT_all_dim(twoscalarProp, twoscalarProp, FFT::backward);
psquaredProp = G*phatsq*GFSrc;
fft.FFT_all_dim(psquaredProp, psquaredProp, FFT::backward);
// Prepare output data structure if necessary
Result outputData;
if (!par().output.empty())
{
outputData.projection.resize(par().outputMom.size());
outputData.lattice_size = env().getGrid()->FullDimensions().toVector();
outputData.mass = par().mass;
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
outputData.projection[i_p].momentum = strToVec<int>(par().outputMom[i_p]);
outputData.projection[i_p].twoScalar.resize(env().getNd());
outputData.projection[i_p].threeScalar.resize(env().getNd());
outputData.projection[i_p].pSquaredInsertion.resize(env().getNd());
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
outputData.projection[i_p].twoScalar[nu].resize(env().getNd());
outputData.projection[i_p].threeScalar[nu].resize(env().getNd());
outputData.projection[i_p].pSquaredInsertion[nu].resize(env().getNd());
}
// Calculate phase factors
auto &momph_ip = envGet(ScalarField, momPhaseName_[i_p]);
momph_ip = Zero();
for (unsigned int j = 0; j < env().getNd()-1; ++j)
{
Real twoPiL = M_PI*2./l[j];
LatticeCoordinate(buf, j);
buf = outputData.projection[i_p].momentum[j]*twoPiL*buf;
momph_ip = momph_ip + buf;
}
momph_ip = exp(-ci*momph_ip);
momPhase_.push_back(&momph_ip);
}
}
// Contractions
for (unsigned int nu = 0; nu < env().getNd(); ++nu)
{
buf = adj(Cshift(prop0, nu, -1));
for (unsigned int mu = 0; mu < env().getNd(); ++mu)
{
// Two-scalar loop
tmp_vp = buf * Cshift(prop0, mu, 1);
tmp_vp -= Cshift(buf, mu, 1) * prop0;
tmp_vp = 2.0*real(tmp_vp);
// Output if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].twoScalar[mu][nu],
tmp_vp, i_p);
}
}
// Three-scalar loop (no vertex)
tmp_vp = buf * Cshift(twoscalarProp, mu, 1);
tmp_vp -= Cshift(buf, mu, 1) * twoscalarProp;
tmp_vp = 2.0*real(tmp_vp);
// Output if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].threeScalar[mu][nu],
tmp_vp, i_p);
}
}
// Three-scalar loop (hat{p}^2 insertion)
tmp_vp = buf * Cshift(psquaredProp, mu, 1);
tmp_vp -= Cshift(buf, mu, 1) * psquaredProp;
tmp_vp = 2.0*real(tmp_vp);
// Output if necessary
if (!par().output.empty())
{
for (unsigned int i_p = 0; i_p < par().outputMom.size(); ++i_p)
{
project(outputData.projection[i_p].pSquaredInsertion[mu][nu],
tmp_vp, i_p);
}
}
}
}
// OUTPUT IF NECESSARY
if (!par().output.empty())
{
LOG(Message) << "Saving momentum-projected correlators to '"
<< RESULT_FILE_NAME(par().output, vm().getTrajectory()) << "'..."
<< std::endl;
saveResult(par().output, "scalar_loops", outputData);
}
}
void TVPCounterTerms::project(std::vector<Complex> &projection, const ScalarField &vp, int i_p)
{
std::vector<TComplex> vecBuf;
envGetTmp(ScalarField, vpPhase);
vpPhase = vp*(*momPhase_[i_p]);
sliceSum(vpPhase, vecBuf, Tp);
projection.resize(vecBuf.size());
for (unsigned int t = 0; t < vecBuf.size(); ++t)
{
projection[t] = TensorRemove(vecBuf[t]);
}
}

103
Hadrons/Archive/Modules/VPCounterTerms.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/VPCounterTerms.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: James Harrison <jch1g10@soton.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MScalar_VPCounterTerms_hpp_
#define Hadrons_MScalar_VPCounterTerms_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* VPCounterTerms *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MScalar)
class VPCounterTermsPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(VPCounterTermsPar,
std::string, source,
double, mass,
std::string, output,
std::vector<std::string>, outputMom);
};
class TVPCounterTerms: public Module<VPCounterTermsPar>
{
public:
BASIC_TYPE_ALIASES(SIMPL,);
class Result: Serializable
{
public:
class Projection: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(Projection,
std::vector<int>, momentum,
std::vector<std::vector<std::vector<Complex>>>, twoScalar,
std::vector<std::vector<std::vector<Complex>>>, threeScalar,
std::vector<std::vector<std::vector<Complex>>>, pSquaredInsertion);
};
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,
std::vector<int>, lattice_size,
double, mass,
std::vector<Projection>, projection);
};
public:
// constructor
TVPCounterTerms(const std::string name);
// destructor
virtual ~TVPCounterTerms(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
void project(std::vector<Complex> &projection, const ScalarField &vp, int i_p);
private:
std::string freeMomPropName_, GFSrcName_, phatsqName_, prop0Name_,
twoscalarName_, twoscalarVertexName_,
psquaredName_, psquaredVertexName_;
std::vector<std::string> phaseName_, momPhaseName_;
std::vector<ScalarField *> phase_, momPhase_;
};
MODULE_REGISTER(VPCounterTerms, TVPCounterTerms, MScalar);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MScalar_VPCounterTerms_hpp_

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Hadrons/Archive/Modules/WardIdentity.cc
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WardIdentity.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MContraction/WardIdentity.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
template class Grid::Hadrons::MContraction::TWardIdentity<FIMPL>;

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Hadrons/Archive/Modules/WardIdentity.hpp
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@ -1,224 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WardIdentity.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MContraction_WardIdentity_hpp_
#define Hadrons_MContraction_WardIdentity_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/*
Ward Identity contractions
-----------------------------
* options:
- q: propagator, 5D if available (string)
- action: action module used for propagator solution (string)
- mass: mass of quark (double)
- test_axial: whether or not to test PCAC relation.
*/
/******************************************************************************
* WardIdentity *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
class WardIdentityPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(WardIdentityPar,
std::string, q,
std::string, action,
double, mass,
bool, test_axial);
};
template <typename FImpl>
class TWardIdentity: public Module<WardIdentityPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TWardIdentity(const std::string name);
// destructor
virtual ~TWardIdentity(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
private:
unsigned int Ls_;
};
MODULE_REGISTER_TMP(WardIdentity, TWardIdentity<FIMPL>, MContraction);
/******************************************************************************
* TWardIdentity implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TWardIdentity<FImpl>::TWardIdentity(const std::string name)
: Module<WardIdentityPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TWardIdentity<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().q, par().action};
return in;
}
template <typename FImpl>
std::vector<std::string> TWardIdentity<FImpl>::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TWardIdentity<FImpl>::setup(void)
{
Ls_ = env().getObjectLs(par().q);
if (Ls_ != env().getObjectLs(par().action))
{
HADRONS_ERROR(Size, "Ls mismatch between quark action and propagator");
}
envTmpLat(PropagatorField, "tmp");
envTmpLat(PropagatorField, "vector_WI");
if (par().test_axial)
{
envTmpLat(PropagatorField, "psi");
envTmpLat(LatticeComplex, "PP");
envTmpLat(LatticeComplex, "axial_defect");
envTmpLat(LatticeComplex, "PJ5q");
}
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TWardIdentity<FImpl>::execute(void)
{
LOG(Message) << "Performing Ward Identity checks for quark '" << par().q
<< "'." << std::endl;
auto &q = envGet(PropagatorField, par().q);
auto &act = envGet(FMat, par().action);
Gamma g5(Gamma::Algebra::Gamma5);
// Compute D_mu V_mu, D here is backward derivative.
envGetTmp(PropagatorField, tmp);
envGetTmp(PropagatorField, vector_WI);
vector_WI = Zero();
for (unsigned int mu = 0; mu < Nd; ++mu)
{
act.ContractConservedCurrent(q, q, tmp, Current::Vector, mu);
tmp -= Cshift(tmp, mu, -1);
vector_WI += tmp;
}
// Test ward identity D_mu V_mu = 0;
LOG(Message) << "Vector Ward Identity check Delta_mu V_mu = "
<< norm2(vector_WI) << std::endl;
if (par().test_axial)
{
envGetTmp(PropagatorField, psi);
envGetTmp(LatticeComplex, PP);
envGetTmp(LatticeComplex, axial_defect);
envGetTmp(LatticeComplex, PJ5q);
std::vector<TComplex> axial_buf;
// Compute <P|D_mu A_mu>, D is backwards derivative.
axial_defect = Zero();
for (unsigned int mu = 0; mu < Nd; ++mu)
{
act.ContractConservedCurrent(q, q, tmp, Current::Axial, mu);
tmp -= Cshift(tmp, mu, -1);
axial_defect += trace(g5*tmp);
}
// Get <P|J5q> for 5D (Zero(); for 4D) and <P|P>.
PJ5q = Zero();
if (Ls_ > 1)
{
// <P|P>
ExtractSlice(tmp, q, 0, 0);
psi = 0.5 * (tmp - g5*tmp);
ExtractSlice(tmp, q, Ls_ - 1, 0);
psi += 0.5 * (tmp + g5*tmp);
PP = trace(adj(psi)*psi);
// <P|5Jq>
ExtractSlice(tmp, q, Ls_/2 - 1, 0);
psi = 0.5 * (tmp + g5*tmp);
ExtractSlice(tmp, q, Ls_/2, 0);
psi += 0.5 * (tmp - g5*tmp);
PJ5q = trace(adj(psi)*psi);
}
else
{
PP = trace(adj(q)*q);
}
// Test ward identity <P|D_mu A_mu> = 2m<P|P> + 2<P|J5q>
LOG(Message) << "|D_mu A_mu|^2 = " << norm2(axial_defect) << std::endl;
LOG(Message) << "|PP|^2 = " << norm2(PP) << std::endl;
LOG(Message) << "|PJ5q|^2 = " << norm2(PJ5q) << std::endl;
LOG(Message) << "Axial Ward Identity defect Delta_mu A_mu = "
<< norm2(axial_defect) << std::endl;
// Axial defect by timeslice.
axial_defect -= 2.*(par().mass*PP + PJ5q);
LOG(Message) << "Check Axial defect by timeslice" << std::endl;
sliceSum(axial_defect, axial_buf, Tp);
for (int t = 0; t < axial_buf.size(); ++t)
{
LOG(Message) << "t = " << t << ": "
<< TensorRemove(axial_buf[t]) << std::endl;
}
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_WardIdentity_hpp_

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Hadrons/Archive/Modules/WeakHamiltonian.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakHamiltonian.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MContraction_WeakHamiltonian_hpp_
#define Hadrons_MContraction_WeakHamiltonian_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakHamiltonian *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
/*******************************************************************************
* Utilities for contractions involving the Weak Hamiltonian.
******************************************************************************/
//// Sum and store correlator.
#define MAKE_DIAG(exp, buf, res, n)\
sliceSum(exp, buf, Tp);\
res.name = (n);\
res.corr.resize(buf.size());\
for (unsigned int t = 0; t < buf.size(); ++t)\
{\
res.corr[t] = TensorRemove(buf[t]);\
}
//// Contraction of mu index: use 'mu' variable in exp.
#define SUM_MU(buf,exp)\
buf = Zero(); \
for (unsigned int mu = 0; mu < ndim; ++mu)\
{\
buf += exp;\
}
enum
{
i_V = 0,
i_A = 1,
n_i = 2
};
class WeakHamiltonianPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(WeakHamiltonianPar,
std::string, q1,
std::string, q2,
std::string, q3,
std::string, q4,
unsigned int, tSnk,
std::string, output);
};
#define MAKE_WEAK_MODULE(modname)\
class T##modname: public Module<WeakHamiltonianPar>\
{\
public:\
FERM_TYPE_ALIASES(FIMPL,)\
class Result: Serializable\
{\
public:\
GRID_SERIALIZABLE_CLASS_MEMBERS(Result,\
std::string, name,\
std::vector<Complex>, corr);\
};\
public:\
/* constructor */ \
T##modname(const std::string name);\
/* destructor */ \
virtual ~T##modname(void) {};\
/* dependency relation */ \
virtual std::vector<std::string> getInput(void);\
virtual std::vector<std::string> getOutput(void);\
public:\
std::vector<std::string> VA_label = {"V", "A"};\
protected:\
/* setup */ \
virtual void setup(void);\
/* execution */ \
virtual void execute(void);\
};\
MODULE_REGISTER(modname, T##modname, MContraction);
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakHamiltonian_hpp_

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Hadrons/Archive/Modules/WeakHamiltonianEye.cc
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakHamiltonianEye.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MContraction/WeakHamiltonianEye.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
/*
* Weak Hamiltonian current-current contractions, Eye-type.
*
* These contractions are generated by the Q1 and Q2 operators in the physical
* basis (see e.g. Fig 3 of arXiv:1507.03094).
*
* Schematics: q4 |
* /-<-¬ |
* / \ | q2 q3
* \ / | /----<------*------<----¬
* q2 \ / q3 | / /-*-¬ \
* /-----<-----* *-----<----¬ | / / \ \
* i * H_W * f | i * \ / q4 * f
* \ / | \ \->-/ /
* \ / | \ /
* \---------->---------/ | \----------->----------/
* q1 | q1
* |
* Saucer (S) | Eye (E)
*
* S: trace(q3*g5*q1*adj(q2)*g5*gL[mu][p_1]*q4*gL[mu][p_2])
* E: trace(q3*g5*q1*adj(q2)*g5*gL[mu][p_1])*trace(q4*gL[mu][p_2])
*
* Note q1 must be sink smeared.
*/
/******************************************************************************
* TWeakHamiltonianEye implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TWeakHamiltonianEye::TWeakHamiltonianEye(const std::string name)
: Module<WeakHamiltonianPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TWeakHamiltonianEye::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3, par().q4};
return in;
}
std::vector<std::string> TWeakHamiltonianEye::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakHamiltonianEye::setup(void)
{
unsigned int ndim = env().getNd();
envTmpLat(LatticeComplex, "expbuf");
envTmpLat(PropagatorField, "tmp1");
envTmpLat(LatticeComplex, "tmp2");
envTmp(std::vector<PropagatorField>, "S_body", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<PropagatorField>, "S_loop", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "E_body", 1, ndim, LatticeComplex(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "E_loop", 1, ndim, LatticeComplex(env().getGrid()));
}
// execution ///////////////////////////////////////////////////////////////////
void TWeakHamiltonianEye::execute(void)
{
LOG(Message) << "Computing Weak Hamiltonian (Eye type) contractions '"
<< getName() << "' using quarks '" << par().q1 << "', '"
<< par().q2 << ", '" << par().q3 << "' and '" << par().q4
<< "'." << std::endl;
auto &q1 = envGet(SlicedPropagator, par().q1);
auto &q2 = envGet(PropagatorField, par().q2);
auto &q3 = envGet(PropagatorField, par().q3);
auto &q4 = envGet(PropagatorField, par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_eye_diag);
unsigned int ndim = env().getNd();
envGetTmp(LatticeComplex, expbuf);
envGetTmp(PropagatorField, tmp1);
envGetTmp(LatticeComplex, tmp2);
envGetTmp(std::vector<PropagatorField>, S_body);
envGetTmp(std::vector<PropagatorField>, S_loop);
envGetTmp(std::vector<LatticeComplex>, E_body);
envGetTmp(std::vector<LatticeComplex>, E_loop);
// Get sink timeslice of q1.
SitePropagator q1Snk = q1[par().tSnk];
// Setup for S-type contractions.
for (int mu = 0; mu < ndim; ++mu)
{
S_body[mu] = MAKE_SE_BODY(q1Snk, q2, q3, GammaL(Gamma::gmu[mu]));
S_loop[mu] = MAKE_SE_LOOP(q4, GammaL(Gamma::gmu[mu]));
}
// Perform S-type contractions.
SUM_MU(expbuf, trace(S_body[mu]*S_loop[mu]))
MAKE_DIAG(expbuf, corrbuf, result[S_diag], "HW_S")
// Recycle sub-expressions for E-type contractions.
for (unsigned int mu = 0; mu < ndim; ++mu)
{
E_body[mu] = trace(S_body[mu]);
E_loop[mu] = trace(S_loop[mu]);
}
// Perform E-type contractions.
SUM_MU(expbuf, E_body[mu]*E_loop[mu])
MAKE_DIAG(expbuf, corrbuf, result[E_diag], "HW_E")
// IO
saveResult(par().output, "HW_Eye", result);
}

59
Hadrons/Archive/Modules/WeakHamiltonianEye.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakHamiltonianEye.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MContraction_WeakHamiltonianEye_hpp_
#define Hadrons_MContraction_WeakHamiltonianEye_hpp_
#include <Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakHamiltonianEye *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
enum
{
S_diag = 0,
E_diag = 1,
n_eye_diag = 2
};
// Saucer and Eye subdiagram contractions.
#define MAKE_SE_BODY(Q_1, Q_2, Q_3, gamma) (Q_3*g5*Q_1*adj(Q_2)*g5*gamma)
#define MAKE_SE_LOOP(Q_loop, gamma) (Q_loop*gamma)
MAKE_WEAK_MODULE(WeakHamiltonianEye)
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakHamiltonianEye_hpp_

148
Hadrons/Archive/Modules/WeakHamiltonianNonEye.cc
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakHamiltonianNonEye.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MContraction/WeakHamiltonianNonEye.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
/*
* Weak Hamiltonian current-current contractions, Non-Eye-type.
*
* These contractions are generated by the Q1 and Q2 operators in the physical
* basis (see e.g. Fig 3 of arXiv:1507.03094).
*
* Schematic:
* q2 q3 | q2 q3
* /--<--¬ /--<--¬ | /--<--¬ /--<--¬
* / \ / \ | / \ / \
* / \ / \ | / \ / \
* / \ / \ | / \ / \
* i * * H_W * f | i * * * H_W * f
* \ * | | \ / \ /
* \ / \ / | \ / \ /
* \ / \ / | \ / \ /
* \ / \ / | \-->--/ \-->--/
* \-->--/ \-->--/ | q1 q4
* q1 q4 |
* Connected (C) | Wing (W)
*
* C: trace(q1*adj(q2)*g5*gL[mu]*q3*adj(q4)*g5*gL[mu])
* W: trace(q1*adj(q2)*g5*gL[mu])*trace(q3*adj(q4)*g5*gL[mu])
*
*/
/******************************************************************************
* TWeakHamiltonianNonEye implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TWeakHamiltonianNonEye::TWeakHamiltonianNonEye(const std::string name)
: Module<WeakHamiltonianPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TWeakHamiltonianNonEye::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3, par().q4};
return in;
}
std::vector<std::string> TWeakHamiltonianNonEye::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakHamiltonianNonEye::setup(void)
{
unsigned int ndim = env().getNd();
envTmpLat(LatticeComplex, "expbuf");
envTmpLat(PropagatorField, "tmp1");
envTmpLat(LatticeComplex, "tmp2");
envTmp(std::vector<PropagatorField>, "C_i_side_loop", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<PropagatorField>, "C_f_side_loop", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "W_i_side_loop", 1, ndim, LatticeComplex(env().getGrid()));
envTmp(std::vector<LatticeComplex>, "W_f_side_loop", 1, ndim, LatticeComplex(env().getGrid()));
}
// execution ///////////////////////////////////////////////////////////////////
void TWeakHamiltonianNonEye::execute(void)
{
LOG(Message) << "Computing Weak Hamiltonian (Non-Eye type) contractions '"
<< getName() << "' using quarks '" << par().q1 << "', '"
<< par().q2 << ", '" << par().q3 << "' and '" << par().q4
<< "'." << std::endl;
auto &q1 = envGet(PropagatorField, par().q1);
auto &q2 = envGet(PropagatorField, par().q2);
auto &q3 = envGet(PropagatorField, par().q3);
auto &q4 = envGet(PropagatorField, par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_noneye_diag);
unsigned int ndim = env().getNd();
envGetTmp(LatticeComplex, expbuf);
envGetTmp(PropagatorField, tmp1);
envGetTmp(LatticeComplex, tmp2);
envGetTmp(std::vector<PropagatorField>, C_i_side_loop);
envGetTmp(std::vector<PropagatorField>, C_f_side_loop);
envGetTmp(std::vector<LatticeComplex>, W_i_side_loop);
envGetTmp(std::vector<LatticeComplex>, W_f_side_loop);
// Setup for C-type contractions.
for (int mu = 0; mu < ndim; ++mu)
{
C_i_side_loop[mu] = MAKE_CW_SUBDIAG(q1, q2, GammaL(Gamma::gmu[mu]));
C_f_side_loop[mu] = MAKE_CW_SUBDIAG(q3, q4, GammaL(Gamma::gmu[mu]));
}
// Perform C-type contractions.
SUM_MU(expbuf, trace(C_i_side_loop[mu]*C_f_side_loop[mu]))
MAKE_DIAG(expbuf, corrbuf, result[C_diag], "HW_C")
// Recycle sub-expressions for W-type contractions.
for (unsigned int mu = 0; mu < ndim; ++mu)
{
W_i_side_loop[mu] = trace(C_i_side_loop[mu]);
W_f_side_loop[mu] = trace(C_f_side_loop[mu]);
}
// Perform W-type contractions.
SUM_MU(expbuf, W_i_side_loop[mu]*W_f_side_loop[mu])
MAKE_DIAG(expbuf, corrbuf, result[W_diag], "HW_W")
// IO
saveResult(par().output, "HW_NonEye", result);
}

58
Hadrons/Archive/Modules/WeakHamiltonianNonEye.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakHamiltonianNonEye.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MContraction_WeakHamiltonianNonEye_hpp_
#define Hadrons_MContraction_WeakHamiltonianNonEye_hpp_
#include <Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakHamiltonianNonEye *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
enum
{
W_diag = 0,
C_diag = 1,
n_noneye_diag = 2
};
// Wing and Connected subdiagram contractions
#define MAKE_CW_SUBDIAG(Q_1, Q_2, gamma) (Q_1*adj(Q_2)*g5*gamma)
MAKE_WEAK_MODULE(WeakHamiltonianNonEye)
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakHamiltonianNonEye_hpp_

142
Hadrons/Archive/Modules/WeakNeutral4ptDisc.cc
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakNeutral4ptDisc.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MContraction/WeakNeutral4ptDisc.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MContraction;
/*
* Weak Hamiltonian + current contractions, disconnected topology for neutral
* mesons.
*
* These contractions are generated by operators Q_1,...,10 of the dS=1 Weak
* Hamiltonian in the physical basis and an additional current J (see e.g.
* Fig 11 of arXiv:1507.03094).
*
* Schematic:
*
* q2 q4 q3
* /--<--¬ /---<--¬ /---<--¬
* / \ / \ / \
* i * * H_W | J * * f
* \ / \ / \ /
* \--->---/ \-------/ \------/
* q1
*
* options
* - q1: input propagator 1 (string)
* - q2: input propagator 2 (string)
* - q3: input propagator 3 (string), assumed to be sequential propagator
* - q4: input propagator 4 (string), assumed to be a loop
*
* type 1: trace(q1*adj(q2)*g5*gL[mu])*trace(loop*gL[mu])*trace(q3*g5)
* type 2: trace(q1*adj(q2)*g5*gL[mu]*loop*gL[mu])*trace(q3*g5)
*/
/*******************************************************************************
* TWeakNeutral4ptDisc implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
TWeakNeutral4ptDisc::TWeakNeutral4ptDisc(const std::string name)
: Module<WeakHamiltonianPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> TWeakNeutral4ptDisc::getInput(void)
{
std::vector<std::string> in = {par().q1, par().q2, par().q3, par().q4};
return in;
}
std::vector<std::string> TWeakNeutral4ptDisc::getOutput(void)
{
std::vector<std::string> out = {};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void TWeakNeutral4ptDisc::setup(void)
{
unsigned int ndim = env().getNd();
envTmpLat(LatticeComplex, "expbuf");
envTmpLat(PropagatorField, "tmp");
envTmpLat(LatticeComplex, "curr");
envTmp(std::vector<PropagatorField>, "meson", 1, ndim, PropagatorField(env().getGrid()));
envTmp(std::vector<PropagatorField>, "loop", 1, ndim, PropagatorField(env().getGrid()));
}
// execution ///////////////////////////////////////////////////////////////////
void TWeakNeutral4ptDisc::execute(void)
{
LOG(Message) << "Computing Weak Hamiltonian neutral disconnected contractions '"
<< getName() << "' using quarks '" << par().q1 << "', '"
<< par().q2 << ", '" << par().q3 << "' and '" << par().q4
<< "'." << std::endl;
auto &q1 = envGet(PropagatorField, par().q1);
auto &q2 = envGet(PropagatorField, par().q2);
auto &q3 = envGet(PropagatorField, par().q3);
auto &q4 = envGet(PropagatorField, par().q4);
Gamma g5 = Gamma(Gamma::Algebra::Gamma5);
std::vector<TComplex> corrbuf;
std::vector<Result> result(n_neut_disc_diag);
unsigned int ndim = env().getNd();
envGetTmp(LatticeComplex, expbuf);
envGetTmp(PropagatorField, tmp);
envGetTmp(LatticeComplex, curr);
envGetTmp(std::vector<PropagatorField>, meson);
envGetTmp(std::vector<PropagatorField>, loop);
// Setup for type 1 contractions.
for (int mu = 0; mu < ndim; ++mu)
{
meson[mu] = MAKE_DISC_MESON(q1, q2, GammaL(Gamma::gmu[mu]));
loop[mu] = MAKE_DISC_LOOP(q4, GammaL(Gamma::gmu[mu]));
}
curr = MAKE_DISC_CURR(q3, GammaL(Gamma::Algebra::Gamma5));
// Perform type 1 contractions.
SUM_MU(expbuf, trace(meson[mu]*loop[mu]))
expbuf *= curr;
MAKE_DIAG(expbuf, corrbuf, result[neut_disc_1_diag], "HW_disc0_1")
// Perform type 2 contractions.
SUM_MU(expbuf, trace(meson[mu])*trace(loop[mu]))
expbuf *= curr;
MAKE_DIAG(expbuf, corrbuf, result[neut_disc_2_diag], "HW_disc0_2")
// IO
saveResult(par().output, "HW_disc0", result);
}

60
Hadrons/Archive/Modules/WeakNeutral4ptDisc.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Archive/Modules/WeakNeutral4ptDisc.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MContraction_WeakNeutral4ptDisc_hpp_
#define Hadrons_MContraction_WeakNeutral4ptDisc_hpp_
#include <Hadrons/Modules/MContraction/WeakHamiltonian.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* WeakNeutral4ptDisc *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
enum
{
neut_disc_1_diag = 0,
neut_disc_2_diag = 1,
n_neut_disc_diag = 2
};
// Neutral 4pt disconnected subdiagram contractions.
#define MAKE_DISC_MESON(Q_1, Q_2, gamma) (Q_1*adj(Q_2)*g5*gamma)
#define MAKE_DISC_LOOP(Q_LOOP, gamma) (Q_LOOP*gamma)
#define MAKE_DISC_CURR(Q_c, gamma) (trace(Q_c*gamma))
MAKE_WEAK_MODULE(WeakNeutral4ptDisc)
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_WeakNeutral4ptDisc_hpp_

356
Hadrons/DilutedNoise.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/DilutedNoise.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Vera Guelpers <Vera.Guelpers@ed.ac.uk>
Author: Vera Guelpers <vmg1n14@soton.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_DilutedNoise_hpp_
#define Hadrons_DilutedNoise_hpp_
#include <Hadrons/Global.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Abstract container for diluted noise *
******************************************************************************/
template <typename FImpl>
class DilutedNoise
{
public:
typedef typename FImpl::FermionField FermionField;
public:
// constructor/destructor
DilutedNoise(GridCartesian *g);
DilutedNoise(GridCartesian *g, const unsigned int nNoise);
virtual ~DilutedNoise(void) = default;
// access
std::vector<FermionField> & getNoise(void);
const std::vector<FermionField> & getNoise(void) const;
const FermionField & operator[](const unsigned int i) const;
FermionField & operator[](const unsigned int i);
void normalise(Real norm);
void resize(const unsigned int nNoise);
unsigned int size(void) const;
GridCartesian *getGrid(void) const;
// generate noise (pure virtual)
virtual void generateNoise(GridParallelRNG &rng) = 0;
private:
std::vector<FermionField> noise_;
GridCartesian *grid_;
unsigned int nNoise_;
};
template <typename FImpl>
class TimeDilutedSpinColorDiagonalNoise: public DilutedNoise<FImpl>
{
public:
typedef typename FImpl::FermionField FermionField;
public:
// constructor/destructor
TimeDilutedSpinColorDiagonalNoise(GridCartesian *g);
virtual ~TimeDilutedSpinColorDiagonalNoise(void) = default;
// generate noise
virtual void generateNoise(GridParallelRNG &rng);
private:
unsigned int nt_;
};
template <typename FImpl>
class FullVolumeSpinColorDiagonalNoise: public DilutedNoise<FImpl>
{
public:
typedef typename FImpl::FermionField FermionField;
public:
// constructor/destructor
FullVolumeSpinColorDiagonalNoise(GridCartesian *g, unsigned int n_src);
virtual ~FullVolumeSpinColorDiagonalNoise(void) = default;
// generate noise
virtual void generateNoise(GridParallelRNG &rng);
private:
unsigned int nSrc_;
};
template <typename FImpl>
class SparseSpinColorDiagonalNoise: public DilutedNoise<FImpl>
{
public:
typedef typename FImpl::FermionField FermionField;
public:
// constructor/destructor
SparseSpinColorDiagonalNoise(GridCartesian *g, unsigned int n_src, unsigned int n_sparse);
virtual ~SparseSpinColorDiagonalNoise(void) = default;
// generate noise
virtual void generateNoise(GridParallelRNG &rng);
private:
unsigned int nSrc_;
unsigned int nSparse_;
};
/******************************************************************************
* DilutedNoise template implementation *
******************************************************************************/
template <typename FImpl>
DilutedNoise<FImpl>::DilutedNoise(GridCartesian *g)
: grid_(g)
{}
template <typename FImpl>
DilutedNoise<FImpl>::DilutedNoise(GridCartesian *g,
const unsigned int nNoise)
: DilutedNoise(g)
{
resize(nNoise);
}
template <typename FImpl>
std::vector<typename DilutedNoise<FImpl>::FermionField> & DilutedNoise<FImpl>::
getNoise(void)
{
return noise_;
}
template <typename FImpl>
const std::vector<typename DilutedNoise<FImpl>::FermionField> & DilutedNoise<FImpl>::
getNoise(void) const
{
return noise_;
}
template <typename FImpl>
const typename DilutedNoise<FImpl>::FermionField &
DilutedNoise<FImpl>::operator[](const unsigned int i) const
{
return noise_[i];
}
template <typename FImpl>
typename DilutedNoise<FImpl>::FermionField &
DilutedNoise<FImpl>::operator[](const unsigned int i)
{
return noise_[i];
}
template <typename FImpl>
void DilutedNoise<FImpl>::normalise(Real norm)
{
for(int i=0;i<noise_.size();i++)
{
noise_[i] = norm*noise_[i];
}
}
template <typename FImpl>
void DilutedNoise<FImpl>::resize(const unsigned int nNoise)
{
nNoise_ = nNoise;
noise_.resize(nNoise, grid_);
}
template <typename FImpl>
unsigned int DilutedNoise<FImpl>::size(void) const
{
return noise_.size();
}
template <typename FImpl>
GridCartesian * DilutedNoise<FImpl>::getGrid(void) const
{
return grid_;
}
/******************************************************************************
* TimeDilutedSpinColorDiagonalNoise template implementation *
******************************************************************************/
template <typename FImpl>
TimeDilutedSpinColorDiagonalNoise<FImpl>::
TimeDilutedSpinColorDiagonalNoise(GridCartesian *g)
: DilutedNoise<FImpl>(g)
{
nt_ = this->getGrid()->GlobalDimensions().size();
this->resize(nt_*Ns*FImpl::Dimension);
}
template <typename FImpl>
void TimeDilutedSpinColorDiagonalNoise<FImpl>::generateNoise(GridParallelRNG &rng)
{
typedef decltype(peekColour((*this)[0], 0)) SpinField;
auto &noise = *this;
auto g = this->getGrid();
auto nd = g->GlobalDimensions().size();
auto nc = FImpl::Dimension;
Complex shift(1., 1.);
Lattice<iScalar<vInteger>> tLat(g);
LatticeComplex eta(g), etaCut(g);
SpinField etas(g);
unsigned int i = 0;
LatticeCoordinate(tLat, nd - 1);
bernoulli(rng, eta);
eta = (2.*eta - shift)*(1./::sqrt(2.));
for (unsigned int t = 0; t < nt_; ++t)
{
etaCut = where((tLat == t), eta, 0.*eta);
for (unsigned int s = 0; s < Ns; ++s)
{
etas = Zero();
pokeSpin(etas, etaCut, s);
for (unsigned int c = 0; c < nc; ++c)
{
noise[i] = Zero();
pokeColour(noise[i], etas, c);
i++;
}
}
}
}
/******************************************************************************
* FullVolumeSpinColorDiagonalNoise template implementation *
******************************************************************************/
template <typename FImpl>
FullVolumeSpinColorDiagonalNoise<FImpl>::
FullVolumeSpinColorDiagonalNoise(GridCartesian *g, unsigned int nSrc)
: DilutedNoise<FImpl>(g, nSrc*Ns*FImpl::Dimension), nSrc_(nSrc)
{}
template <typename FImpl>
void FullVolumeSpinColorDiagonalNoise<FImpl>::generateNoise(GridParallelRNG &rng)
{
typedef decltype(peekColour((*this)[0], 0)) SpinField;
auto &noise = *this;
auto g = this->getGrid();
auto nd = g->GlobalDimensions().size();
auto nc = FImpl::Dimension;
Complex shift(1., 1.);
LatticeComplex eta(g);
SpinField etas(g);
unsigned int i = 0;
bernoulli(rng, eta);
eta = (2.*eta - shift)*(1./::sqrt(2.));
for (unsigned int n = 0; n < nSrc_; ++n)
{
for (unsigned int s = 0; s < Ns; ++s)
{
etas = Zero();
pokeSpin(etas, eta, s);
for (unsigned int c = 0; c < nc; ++c)
{
noise[i] = Zero();
pokeColour(noise[i], etas, c);
i++;
}
}
}
}
/******************************************************************************
* SparseSpinColorDiagonalNoise template implementation *
******************************************************************************/
template <typename FImpl>
SparseSpinColorDiagonalNoise<FImpl>::
SparseSpinColorDiagonalNoise(GridCartesian *g, unsigned int nSrc, unsigned int nSparse)
: DilutedNoise<FImpl>(g, nSrc*Ns*FImpl::Dimension), nSrc_(nSrc), nSparse_(nSparse)
{}
template <typename FImpl>
void SparseSpinColorDiagonalNoise<FImpl>::generateNoise(GridParallelRNG &rng)
{
typedef decltype(peekColour((*this)[0], 0)) SpinField;
auto &noise = *this;
auto g = this->getGrid();
auto nd = g->GlobalDimensions().size();
auto nc = FImpl::Dimension;
LatticeInteger coor(g), coorTot(g); coorTot = 0.;
Complex shift(1., 1.);
LatticeComplex eta(g), etaSparse(g);
SpinField etas(g);
unsigned int i = 0;
unsigned int j = 0;
unsigned int nSrc_ec;
if(nSrc_%nSparse_==0)
{
nSrc_ec = nSrc_/nSparse_;
}
else
{
nSrc_ec = (nSrc_ - nSrc_%nSparse_)/nSparse_;
}
for (unsigned int n = 0; n < nSrc_; ++n)
{
bernoulli(rng, eta);
eta = (2.*eta - shift)*(1./::sqrt(2.));
if(nSparse_ != 1)
{
assert(g->GlobalDimensions()[1]%nSparse_ == 0);
// # 0 # 0
// 0 # 0 #
// # 0 # 0
// 0 # 0 #
coorTot = 0;
for(unsigned int d = 0; d < nd; ++d)
{
LatticeCoordinate(coor, d);
coorTot = coorTot + coor;
}
coorTot = coorTot + j;
eta = where(mod(coorTot,nSparse_), 0.*eta, eta);
}
for (unsigned int s = 0; s < Ns; ++s)
{
etas = Zero();
pokeSpin(etas, eta, s);
for (unsigned int c = 0; c < nc; ++c)
{
noise[i] = Zero();
pokeColour(noise[i], etas, c);
i++;
/**/
}
}
((n+1)%nSrc_ec == 0) ? j++: 0;
}
Real norm = sqrt(1./nSrc_ec);
this->normalise(norm);
}
END_HADRONS_NAMESPACE
#endif // Hadrons_DilutedNoise_hpp_

511
Hadrons/DiskVector.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/DiskVector.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_DiskVector_hpp_
#define Hadrons_DiskVector_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/A2AMatrix.hpp>
#include <deque>
#include <sys/stat.h>
#include <ftw.h>
#include <unistd.h>
#ifdef DV_DEBUG
#define DV_DEBUG_MSG(dv, stream) LOG(Debug) << "diskvector " << (dv) << ": " << stream << std::endl
#else
#define DV_DEBUG_MSG(dv, stream)
#endif
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Abstract base class *
******************************************************************************/
template <typename T>
class DiskVectorBase
{
public:
typedef T ObjectType;
// helper for read/write vector access
class RwAccessHelper
{
public:
RwAccessHelper(DiskVectorBase<T> &master, const unsigned int i)
: master_(master), cmaster_(master), i_(i) {}
// operator=: somebody is trying to store a vector element
// write to cache and tag as modified
T &operator=(const T &obj) const
{
auto &cache = *master_.cachePtr_;
auto &modified = *master_.modifiedPtr_;
auto &index = *master_.indexPtr_;
DV_DEBUG_MSG(&master_, "writing to " << i_);
master_.cacheInsert(i_, obj);
modified[index.at(i_)] = true;
return cache[index.at(i_)];
}
// implicit cast to const object reference and redirection
// to the const operator[] for read-only operations
operator const T&() const
{
return cmaster_[i_];
}
private:
DiskVectorBase<T> &master_;
const DiskVectorBase<T> &cmaster_;
const unsigned int i_;
};
public:
DiskVectorBase(const std::string dirname, const unsigned int size = 0,
const unsigned int cacheSize = 1, const bool clean = true,
GridBase *grid = nullptr);
DiskVectorBase(DiskVectorBase<T> &&v) = default;
virtual ~DiskVectorBase(void);
const T & operator[](const unsigned int i) const;
RwAccessHelper operator[](const unsigned int i);
double hitRatio(void) const;
void resetStat(void);
void setSize(unsigned int size_);
unsigned int getSize() const;
unsigned int dvSize;
void setGrid(GridBase *grid_);
GridBase *getGrid() const;
GridBase *dvGrid;
private:
virtual void load(T &obj, const std::string filename) const = 0;
virtual void save(const std::string filename, const T &obj) const = 0;
virtual std::string filename(const unsigned int i) const;
void evict(void) const;
void fetch(const unsigned int i) const;
void cacheInsert(const unsigned int i, const T &obj) const;
void clean(void);
private:
std::string dirname_;
unsigned int size_, cacheSize_;
double access_{0.}, hit_{0.};
bool clean_;
GridBase *grid_;
// using pointers to allow modifications when class is const
// semantic: const means data unmodified, but cache modification allowed
std::unique_ptr<std::vector<T>> cachePtr_;
std::unique_ptr<std::vector<bool>> modifiedPtr_;
std::unique_ptr<std::map<unsigned int, unsigned int>> indexPtr_;
std::unique_ptr<std::stack<unsigned int>> freePtr_;
std::unique_ptr<std::deque<unsigned int>> loadsPtr_;
};
/******************************************************************************
* Specialisation for serialisable classes *
******************************************************************************/
template <typename T, typename Reader, typename Writer>
class SerializableDiskVector: public DiskVectorBase<T>
{
public:
using DiskVectorBase<T>::DiskVectorBase;
private:
virtual void load(T &obj, const std::string filename) const
{
Reader reader(filename);
read(reader, basename(filename), obj);
}
virtual void save(const std::string filename, const T &obj) const
{
Writer writer(filename);
write(writer, basename(filename), obj);
}
};
/******************************************************************************
* Specialisation for Eigen matrices *
******************************************************************************/
template <typename T>
using EigenDiskVectorMat = A2AMatrix<T>;
template <typename T>
class EigenDiskVector: public DiskVectorBase<EigenDiskVectorMat<T>>
{
public:
using DiskVectorBase<EigenDiskVectorMat<T>>::DiskVectorBase;
typedef EigenDiskVectorMat<T> Matrix;
public:
T operator()(const unsigned int i, const Eigen::Index j,
const Eigen::Index k) const
{
return (*this)[i](j, k);
}
std::vector<int> dimensions() const
{
std::vector<int> dims(3);
dims[0] = (*this).getSize();
dims[1] = (*this)[0].rows();
dims[2] = (*this)[0].cols();
return dims;
}
private:
virtual void load(EigenDiskVectorMat<T> &obj, const std::string filename) const
{
GridBase *loadGrid;
loadGrid = (*this).getGrid();
if (!(loadGrid) || loadGrid->IsBoss())
{
std::ifstream f(filename, std::ios::binary);
uint32_t crc, check;
Eigen::Index nRow, nCol;
size_t matSize;
double tRead, tHash;
f.read(reinterpret_cast<char *>(&crc), sizeof(crc));
f.read(reinterpret_cast<char *>(&nRow), sizeof(nRow));
f.read(reinterpret_cast<char *>(&nCol), sizeof(nCol));
obj.resize(nRow, nCol);
matSize = nRow*nCol*sizeof(T);
tRead = -usecond();
f.read(reinterpret_cast<char *>(obj.data()), matSize);
tRead += usecond();
tHash = -usecond();
#ifdef USE_IPP
check = GridChecksum::crc32c(obj.data(), matSize);
#else
check = GridChecksum::crc32(obj.data(), matSize);
#endif
tHash += usecond();
DV_DEBUG_MSG(this, "Eigen read " << tRead/1.0e6 << " sec " << matSize/tRead*1.0e6/1024/1024 << " MB/s");
DV_DEBUG_MSG(this, "Eigen crc32 " << std::hex << check << std::dec
<< " " << tHash/1.0e6 << " sec " << matSize/tHash*1.0e6/1024/1024 << " MB/s");
if (crc != check)
{
HADRONS_ERROR(Io, "checksum failed")
}
}
int broadcastSize;
broadcastSize = sizeof(T)*obj.size();
if (loadGrid)
{
loadGrid->Broadcast(loadGrid->BossRank(), obj.data(), broadcastSize);
loadGrid->Barrier();
}
}
virtual void save(const std::string filename, const EigenDiskVectorMat<T> &obj) const
{
GridBase *saveGrid;
saveGrid = (*this).getGrid();
if (!(saveGrid) || saveGrid->IsBoss())
{
std::ofstream f(filename, std::ios::binary);
uint32_t crc;
Eigen::Index nRow, nCol;
size_t matSize;
double tWrite, tHash;
nRow = obj.rows();
nCol = obj.cols();
matSize = nRow*nCol*sizeof(T);
tHash = -usecond();
#ifdef USE_IPP
crc = GridChecksum::crc32c(obj.data(), matSize);
#else
crc = GridChecksum::crc32(obj.data(), matSize);
#endif
tHash += usecond();
f.write(reinterpret_cast<char *>(&crc), sizeof(crc));
f.write(reinterpret_cast<char *>(&nRow), sizeof(nRow));
f.write(reinterpret_cast<char *>(&nCol), sizeof(nCol));
tWrite = -usecond();
f.write(reinterpret_cast<const char *>(obj.data()), matSize);
tWrite += usecond();
DV_DEBUG_MSG(this, "Eigen write " << tWrite/1.0e6 << " sec " << matSize/tWrite*1.0e6/1024/1024 << " MB/s");
DV_DEBUG_MSG(this, "Eigen crc32 " << std::hex << crc << std::dec
<< " " << tHash/1.0e6 << " sec " << matSize/tHash*1.0e6/1024/1024 << " MB/s");
}
if (saveGrid) saveGrid->Barrier();
}
};
/******************************************************************************
* DiskVectorBase implementation *
******************************************************************************/
template <typename T>
DiskVectorBase<T>::DiskVectorBase(const std::string dirname,
const unsigned int size,
const unsigned int cacheSize,
const bool clean,
GridBase *grid)
: dirname_(dirname), size_(size), cacheSize_(cacheSize), clean_(clean), grid_(grid)
, cachePtr_(new std::vector<T>(size))
, modifiedPtr_(new std::vector<bool>(size, false))
, indexPtr_(new std::map<unsigned int, unsigned int>())
, freePtr_(new std::stack<unsigned int>)
, loadsPtr_(new std::deque<unsigned int>())
{
struct stat s;
if (!(grid_) || grid_->IsBoss())
{
if(stat(dirname.c_str(), &s) == 0)
{
HADRONS_ERROR(Io, "directory '" + dirname + "' already exists")
}
mkdir(dirname);
}
if (grid_) grid_->Barrier();
for (unsigned int i = 0; i < cacheSize_; ++i)
{
freePtr_->push(i);
}
setSize(size_);
setGrid(grid_);
}
template <typename T>
DiskVectorBase<T>::~DiskVectorBase(void)
{
if (clean_)
{
clean();
}
}
template <typename T>
void DiskVectorBase<T>::setSize(unsigned int size_)
{
dvSize = size_;
}
template <typename T>
unsigned int DiskVectorBase<T>::getSize() const
{
return dvSize;
}
template <typename T>
void DiskVectorBase<T>::setGrid(GridBase *grid_)
{
dvGrid = grid_;
}
template <typename T>
GridBase *DiskVectorBase<T>::getGrid() const
{
return dvGrid;
}
template <typename T>
const T & DiskVectorBase<T>::operator[](const unsigned int i) const
{
auto &cache = *cachePtr_;
auto &index = *indexPtr_;
auto &freeInd = *freePtr_;
auto &loads = *loadsPtr_;
DV_DEBUG_MSG(this, "accessing " << i << " (RO)");
if (i >= size_)
{
HADRONS_ERROR(Size, "index out of range");
}
const_cast<double &>(access_)++;
if (index.find(i) == index.end())
{
// cache miss
DV_DEBUG_MSG(this, "cache miss");
fetch(i);
}
else
{
DV_DEBUG_MSG(this, "cache hit");
auto pos = std::find(loads.begin(), loads.end(), i);
const_cast<double &>(hit_)++;
loads.erase(pos);
loads.push_back(i);
}
#ifdef DV_DEBUG
std::string msg;
for (auto &p: loads)
{
msg += std::to_string(p) + " ";
}
DV_DEBUG_MSG(this, "in cache: " << msg);
#endif
if (grid_) grid_->Barrier();
return cache[index.at(i)];
}
template <typename T>
typename DiskVectorBase<T>::RwAccessHelper DiskVectorBase<T>::operator[](const unsigned int i)
{
DV_DEBUG_MSG(this, "accessing " << i << " (RW)");
if (i >= size_)
{
HADRONS_ERROR(Size, "index out of range");
}
return RwAccessHelper(*this, i);
}
template <typename T>
double DiskVectorBase<T>::hitRatio(void) const
{
return hit_/access_;
}
template <typename T>
void DiskVectorBase<T>::resetStat(void)
{
access_ = 0.;
hit_ = 0.;
}
template <typename T>
std::string DiskVectorBase<T>::filename(const unsigned int i) const
{
return dirname_ + "/elem_" + std::to_string(i);
}
template <typename T>
void DiskVectorBase<T>::evict(void) const
{
auto &cache = *cachePtr_;
auto &modified = *modifiedPtr_;
auto &index = *indexPtr_;
auto &freeInd = *freePtr_;
auto &loads = *loadsPtr_;
if (index.size() >= cacheSize_)
{
unsigned int i = loads.front();
DV_DEBUG_MSG(this, "evicting " << i);
if (modified[index.at(i)])
{
DV_DEBUG_MSG(this, "element " << i << " modified, saving to disk");
save(filename(i), cache[index.at(i)]);
}
freeInd.push(index.at(i));
index.erase(i);
loads.pop_front();
}
if (grid_) grid_->Barrier();
}
template <typename T>
void DiskVectorBase<T>::fetch(const unsigned int i) const
{
auto &cache = *cachePtr_;
auto &modified = *modifiedPtr_;
auto &index = *indexPtr_;
auto &freeInd = *freePtr_;
auto &loads = *loadsPtr_;
struct stat s;
DV_DEBUG_MSG(this, "loading " << i << " from disk");
evict();
if(stat(filename(i).c_str(), &s) != 0)
{
HADRONS_ERROR(Io, "disk vector element " + std::to_string(i) + " uninitialised");
}
index[i] = freeInd.top();
freeInd.pop();
load(cache[index.at(i)], filename(i));
loads.push_back(i);
modified[index.at(i)] = false;
}
template <typename T>
void DiskVectorBase<T>::cacheInsert(const unsigned int i, const T &obj) const
{
auto &cache = *cachePtr_;
auto &modified = *modifiedPtr_;
auto &index = *indexPtr_;
auto &freeInd = *freePtr_;
auto &loads = *loadsPtr_;
evict();
index[i] = freeInd.top();
freeInd.pop();
cache[index.at(i)] = obj;
loads.push_back(i);
modified[index.at(i)] = false;
if (grid_) grid_->Barrier();
#ifdef DV_DEBUG
std::string msg;
for (auto &p: loads)
{
msg += std::to_string(p) + " ";
}
DV_DEBUG_MSG(this, "in cache: " << msg);
#endif
}
#ifdef DV_DEBUG
#undef DV_DEBUG_MSG
#endif
template <typename T>
void DiskVectorBase<T>::clean(void)
{
if (!(grid_) || grid_->IsBoss())
{
auto unlink = [](const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf) {
int rv = remove(fpath);
if (rv)
{
HADRONS_ERROR(Io, "cannot remove '" + std::string(fpath) + "': " + std::string(std::strerror(errno)));
}
return rv;
};
nftw(dirname_.c_str(), unlink, 64, FTW_DEPTH | FTW_PHYS);
}
if (grid_) grid_->Barrier();
}
END_HADRONS_NAMESPACE
#endif // Hadrons_DiskVector_hpp_

416
Hadrons/EigenPack.hpp
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@ -1,416 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/EigenPack.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_EigenPack_hpp_
#define Hadrons_EigenPack_hpp_
#include <Hadrons/Global.hpp>
#include <Grid/algorithms/iterative/Deflation.h>
#include <Grid/algorithms/iterative/LocalCoherenceLanczos.h>
BEGIN_HADRONS_NAMESPACE
// Lanczos type
#ifndef HADRONS_DEFAULT_LANCZOS_NBASIS
#define HADRONS_DEFAULT_LANCZOS_NBASIS 60
#endif
#define HADRONS_DUMP_EP_METADATA(record) \
LOG(Message) << "Eigenpack metadata:" << std::endl;\
LOG(Message) << "* operator" << std::endl;\
LOG(Message) << (record).operatorXml << std::endl;\
LOG(Message) << "* solver" << std::endl;\
LOG(Message) << (record).solverXml << std::endl;
struct PackRecord
{
std::string operatorXml, solverXml;
};
struct VecRecord: Serializable
{
GRID_SERIALIZABLE_CLASS_MEMBERS(VecRecord,
unsigned int, index,
double, eval);
VecRecord(void): index(0), eval(0.) {}
};
namespace EigenPackIo
{
inline void readHeader(PackRecord &record, ScidacReader &binReader)
{
std::string recordXml;
binReader.readLimeObject(recordXml, SCIDAC_FILE_XML);
XmlReader xmlReader(recordXml, true, "eigenPackPar");
xmlReader.push();
xmlReader.readCurrentSubtree(record.operatorXml);
xmlReader.nextElement();
xmlReader.readCurrentSubtree(record.solverXml);
}
template <typename T, typename TIo = T>
void readElement(T &evec, RealD &eval, const unsigned int index,
ScidacReader &binReader, TIo *ioBuf = nullptr)
{
VecRecord vecRecord;
LOG(Message) << "Reading eigenvector " << index << std::endl;
if (ioBuf == nullptr)
{
binReader.readScidacFieldRecord(evec, vecRecord);
}
else
{
binReader.readScidacFieldRecord(*ioBuf, vecRecord);
precisionChange(evec, *ioBuf);
}
if (vecRecord.index != index)
{
HADRONS_ERROR(Io, "Eigenvector " + std::to_string(index) + " has a"
+ " wrong index (expected " + std::to_string(vecRecord.index)
+ ")");
}
eval = vecRecord.eval;
}
template <typename T, typename TIo = T>
static void readPack(std::vector<T> &evec, std::vector<RealD> &eval,
PackRecord &record, const std::string filename,
const unsigned int size, bool multiFile,
GridBase *gridIo = nullptr)
{
std::unique_ptr<TIo> ioBuf{nullptr};
ScidacReader binReader;
if (typeHash<T>() != typeHash<TIo>())
{
if (gridIo == nullptr)
{
HADRONS_ERROR(Definition,
"I/O type different from vector type but null I/O grid passed");
}
ioBuf.reset(new TIo(gridIo));
}
if (multiFile)
{
std::string fullFilename;
for(int k = 0; k < size; ++k)
{
fullFilename = filename + "/v" + std::to_string(k) + ".bin";
binReader.open(fullFilename);
readHeader(record, binReader);
readElement(evec[k], eval[k], k, binReader, ioBuf.get());
binReader.close();
}
}
else
{
binReader.open(filename);
readHeader(record, binReader);
for(int k = 0; k < size; ++k)
{
readElement(evec[k], eval[k], k, binReader, ioBuf.get());
}
binReader.close();
}
}
inline void writeHeader(ScidacWriter &binWriter, PackRecord &record)
{
XmlWriter xmlWriter("", "eigenPackPar");
xmlWriter.pushXmlString(record.operatorXml);
xmlWriter.pushXmlString(record.solverXml);
binWriter.writeLimeObject(1, 1, xmlWriter, "parameters", SCIDAC_FILE_XML);
}
template <typename T, typename TIo = T>
void writeElement(ScidacWriter &binWriter, T &evec, RealD &eval,
const unsigned int index, TIo *ioBuf,
T *testBuf = nullptr)
{
VecRecord vecRecord;
LOG(Message) << "Writing eigenvector " << index << std::endl;
vecRecord.eval = eval;
vecRecord.index = index;
if ((ioBuf == nullptr) || (testBuf == nullptr))
{
binWriter.writeScidacFieldRecord(evec, vecRecord, DEFAULT_ASCII_PREC);
}
else
{
precisionChange(*ioBuf, evec);
precisionChange(*testBuf, *ioBuf);
*testBuf -= evec;
LOG(Message) << "Precision diff norm^2 " << norm2(*testBuf) << std::endl;
binWriter.writeScidacFieldRecord(*ioBuf, vecRecord, DEFAULT_ASCII_PREC);
}
}
template <typename T, typename TIo = T>
static void writePack(const std::string filename, std::vector<T> &evec,
std::vector<RealD> &eval, PackRecord &record,
const unsigned int size, bool multiFile,
GridBase *gridIo = nullptr)
{
GridBase *grid = evec[0].Grid();
std::unique_ptr<TIo> ioBuf{nullptr};
std::unique_ptr<T> testBuf{nullptr};
ScidacWriter binWriter(grid->IsBoss());
if (typeHash<T>() != typeHash<TIo>())
{
if (gridIo == nullptr)
{
HADRONS_ERROR(Definition,
"I/O type different from vector type but null I/O grid passed");
}
ioBuf.reset(new TIo(gridIo));
testBuf.reset(new T(grid));
}
if (multiFile)
{
std::string fullFilename;
for(int k = 0; k < size; ++k)
{
fullFilename = filename + "/v" + std::to_string(k) + ".bin";
makeFileDir(fullFilename, grid);
binWriter.open(fullFilename);
writeHeader(binWriter, record);
writeElement(binWriter, evec[k], eval[k], k, ioBuf.get(), testBuf.get());
binWriter.close();
}
}
else
{
makeFileDir(filename, grid);
binWriter.open(filename);
writeHeader(binWriter, record);
for(int k = 0; k < size; ++k)
{
writeElement(binWriter, evec[k], eval[k], k, ioBuf.get(), testBuf.get());
}
binWriter.close();
}
}
}
template <typename F>
class BaseEigenPack
{
public:
typedef F Field;
public:
std::vector<RealD> eval;
std::vector<F> evec;
PackRecord record;
public:
BaseEigenPack(void) = default;
BaseEigenPack(const size_t size, GridBase *grid)
{
resize(size, grid);
}
virtual ~BaseEigenPack(void) = default;
void resize(const size_t size, GridBase *grid)
{
eval.resize(size);
evec.resize(size, grid);
}
};
template <typename F, typename FIo = F>
class EigenPack: public BaseEigenPack<F>
{
public:
typedef F Field;
typedef FIo FieldIo;
public:
EigenPack(void) = default;
virtual ~EigenPack(void) = default;
EigenPack(const size_t size, GridBase *grid, GridBase *gridIo = nullptr)
: BaseEigenPack<F>(size, grid)
{
if (typeHash<F>() != typeHash<FIo>())
{
if (gridIo == nullptr)
{
HADRONS_ERROR(Definition,
"I/O type different from vector type but null I/O grid passed");
}
}
gridIo_ = gridIo;
}
virtual void read(const std::string fileStem, const bool multiFile, const int traj = -1)
{
EigenPackIo::readPack<F, FIo>(this->evec, this->eval, this->record,
evecFilename(fileStem, traj, multiFile),
this->evec.size(), multiFile, gridIo_);
HADRONS_DUMP_EP_METADATA(this->record);
}
virtual void write(const std::string fileStem, const bool multiFile, const int traj = -1)
{
EigenPackIo::writePack<F, FIo>(evecFilename(fileStem, traj, multiFile),
this->evec, this->eval, this->record,
this->evec.size(), multiFile, gridIo_);
}
protected:
std::string evecFilename(const std::string stem, const int traj, const bool multiFile)
{
std::string t = (traj < 0) ? "" : ("." + std::to_string(traj));
if (multiFile)
{
return stem + t;
}
else
{
return stem + t + ".bin";
}
}
protected:
GridBase *gridIo_;
};
template <typename FineF, typename CoarseF,
typename FineFIo = FineF, typename CoarseFIo = CoarseF>
class CoarseEigenPack: public EigenPack<FineF, FineFIo>
{
public:
typedef CoarseF CoarseField;
typedef CoarseFIo CoarseFieldIo;
public:
std::vector<CoarseF> evecCoarse;
std::vector<RealD> evalCoarse;
public:
CoarseEigenPack(void) = default;
virtual ~CoarseEigenPack(void) = default;
CoarseEigenPack(const size_t sizeFine, const size_t sizeCoarse,
GridBase *gridFine, GridBase *gridCoarse,
GridBase *gridFineIo = nullptr,
GridBase *gridCoarseIo = nullptr)
{
if (typeHash<FineF>() != typeHash<FineFIo>())
{
if (gridFineIo == nullptr)
{
HADRONS_ERROR(Definition,
"Fine I/O type different from vector type but null fine I/O grid passed");
}
}
if (typeHash<CoarseF>() != typeHash<CoarseFIo>())
{
if (gridCoarseIo == nullptr)
{
HADRONS_ERROR(Definition,
"Coarse I/O type different from vector type but null coarse I/O grid passed");
}
}
this->gridIo_ = gridFineIo;
gridCoarseIo_ = gridCoarseIo;
resize(sizeFine, sizeCoarse, gridFine, gridCoarse);
}
void resize(const size_t sizeFine, const size_t sizeCoarse,
GridBase *gridFine, GridBase *gridCoarse)
{
EigenPack<FineF, FineFIo>::resize(sizeFine, gridFine);
evalCoarse.resize(sizeCoarse);
evecCoarse.resize(sizeCoarse, gridCoarse);
}
void readFine(const std::string fileStem, const bool multiFile, const int traj = -1)
{
EigenPack<FineF, FineFIo>::read(fileStem + "_fine", multiFile, traj);
}
void readCoarse(const std::string fileStem, const bool multiFile, const int traj = -1)
{
PackRecord dummy;
EigenPackIo::readPack<CoarseF, CoarseFIo>(evecCoarse, evalCoarse, dummy,
this->evecFilename(fileStem + "_coarse", traj, multiFile),
evecCoarse.size(), multiFile, gridCoarseIo_);
}
virtual void read(const std::string fileStem, const bool multiFile, const int traj = -1)
{
readFine(fileStem, multiFile, traj);
readCoarse(fileStem, multiFile, traj);
}
void writeFine(const std::string fileStem, const bool multiFile, const int traj = -1)
{
EigenPack<FineF, FineFIo>::write(fileStem + "_fine", multiFile, traj);
}
void writeCoarse(const std::string fileStem, const bool multiFile, const int traj = -1)
{
EigenPackIo::writePack<CoarseF, CoarseFIo>(this->evecFilename(fileStem + "_coarse", traj, multiFile),
evecCoarse, evalCoarse, this->record,
evecCoarse.size(), multiFile, gridCoarseIo_);
}
virtual void write(const std::string fileStem, const bool multiFile, const int traj = -1)
{
writeFine(fileStem, multiFile, traj);
writeCoarse(fileStem, multiFile, traj);
}
private:
GridBase *gridCoarseIo_;
};
template <typename FImpl>
using BaseFermionEigenPack = BaseEigenPack<typename FImpl::FermionField>;
template <typename FImpl, typename FImplIo = FImpl>
using FermionEigenPack = EigenPack<typename FImpl::FermionField, typename FImplIo::FermionField>;
template <typename FImpl, int nBasis, typename FImplIo = FImpl>
using CoarseFermionEigenPack = CoarseEigenPack<
typename FImpl::FermionField,
typename LocalCoherenceLanczos<typename FImpl::SiteSpinor,
typename FImpl::SiteComplex,
nBasis>::CoarseField,
typename FImplIo::FermionField,
typename LocalCoherenceLanczos<typename FImplIo::SiteSpinor,
typename FImplIo::SiteComplex,
nBasis>::CoarseField>;
#undef HADRONS_DUMP_EP_METADATA
END_HADRONS_NAMESPACE
#endif // Hadrons_EigenPack_hpp_

347
Hadrons/Environment.cc
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@ -1,347 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Environment.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Environment.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
using namespace Grid;
using namespace Hadrons;
#define ERROR_NO_ADDRESS(address)\
HADRONS_ERROR_REF(ObjectDefinition, "no object with address " + std::to_string(address), address);
/******************************************************************************
* Environment implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
Environment::Environment(void)
{
dim_ = GridDefaultLatt().toVector();
nd_ = dim_.size();
vol_ = 1.;
for (auto d: dim_)
{
vol_ *= d;
}
}
// grids ///////////////////////////////////////////////////////////////////////
unsigned int Environment::getNd(void) const
{
return nd_;
}
std::vector<int> Environment::getDim(void) const
{
return dim_;
}
int Environment::getDim(const unsigned int mu) const
{
return dim_[mu];
}
double Environment::getVolume(void) const
{
return vol_;
}
// random number generator /////////////////////////////////////////////////////
GridParallelRNG * Environment::get4dRng(void)
{
if (rng4d_ == nullptr)
{
rng4d_.reset(new GridParallelRNG(getGrid()));
}
return rng4d_.get();
}
GridSerialRNG * Environment::getSerialRng(void)
{
if (rngSerial_ == nullptr)
{
rngSerial_.reset(new GridSerialRNG());
}
return rngSerial_.get();
}
// general memory management ///////////////////////////////////////////////////
void Environment::addObject(const std::string name, const int moduleAddress)
{
if (!hasObject(name))
{
ObjInfo info;
info.name = name;
info.module = moduleAddress;
info.data = nullptr;
object_.push_back(std::move(info));
objectAddress_[name] = static_cast<unsigned int>(object_.size() - 1);
}
else
{
HADRONS_ERROR_REF(ObjectDefinition, "object '" + name + "' already exists",
getObjectAddress(name));
}
}
void Environment::setObjectModule(const unsigned int objAddress,
const int modAddress)
{
object_[objAddress].module = modAddress;
}
unsigned int Environment::getMaxAddress(void) const
{
return object_.size();
}
unsigned int Environment::getObjectAddress(const std::string name) const
{
if (hasObject(name))
{
return objectAddress_.at(name);
}
else
{
HADRONS_ERROR(Definition, "no object with name '" + name + "'");
}
}
std::string Environment::getObjectName(const unsigned int address) const
{
if (hasObject(address))
{
return object_[address].name;
}
else
{
ERROR_NO_ADDRESS(address);
}
}
std::string Environment::getObjectType(const unsigned int address) const
{
if (hasObject(address))
{
if (object_[address].type)
{
return typeName(object_[address].type);
}
else
{
return "<no type>";
}
}
else
{
ERROR_NO_ADDRESS(address);
}
}
std::string Environment::getObjectType(const std::string name) const
{
return getObjectType(getObjectAddress(name));
}
Environment::Size Environment::getObjectSize(const unsigned int address) const
{
if (hasObject(address))
{
return object_[address].size;
}
else
{
ERROR_NO_ADDRESS(address);
}
}
Environment::Size Environment::getObjectSize(const std::string name) const
{
return getObjectSize(getObjectAddress(name));
}
Environment::Storage Environment::getObjectStorage(const unsigned int address) const
{
if (hasObject(address))
{
return object_[address].storage;
}
else
{
ERROR_NO_ADDRESS(address);
}
}
Environment::Storage Environment::getObjectStorage(const std::string name) const
{
return getObjectStorage(getObjectAddress(name));
}
int Environment::getObjectModule(const unsigned int address) const
{
if (hasObject(address))
{
return object_[address].module;
}
else
{
ERROR_NO_ADDRESS(address);
}
}
int Environment::getObjectModule(const std::string name) const
{
return getObjectModule(getObjectAddress(name));
}
unsigned int Environment::getObjectLs(const unsigned int address) const
{
if (hasCreatedObject(address))
{
return object_[address].Ls;
}
else
{
ERROR_NO_ADDRESS(address);
}
}
unsigned int Environment::getObjectLs(const std::string name) const
{
return getObjectLs(getObjectAddress(name));
}
bool Environment::hasObject(const unsigned int address) const
{
return (address < object_.size());
}
bool Environment::hasObject(const std::string name) const
{
auto it = objectAddress_.find(name);
return ((it != objectAddress_.end()) and hasObject(it->second));
}
bool Environment::hasCreatedObject(const unsigned int address) const
{
if (hasObject(address))
{
return (object_[address].data != nullptr);
}
else
{
return false;
}
}
bool Environment::hasCreatedObject(const std::string name) const
{
if (hasObject(name))
{
return hasCreatedObject(getObjectAddress(name));
}
else
{
return false;
}
}
bool Environment::isObject5d(const unsigned int address) const
{
return (getObjectLs(address) > 1);
}
bool Environment::isObject5d(const std::string name) const
{
return (getObjectLs(name) > 1);
}
Environment::Size Environment::getTotalSize(void) const
{
Environment::Size size = 0;
for (auto &o: object_)
{
size += o.size;
}
return size;
}
void Environment::freeObject(const unsigned int address)
{
if (hasCreatedObject(address))
{
LOG(Message) << "Destroying object '" << object_[address].name
<< "'" << std::endl;
}
object_[address].size = 0;
object_[address].type = nullptr;
object_[address].data.reset(nullptr);
}
void Environment::freeObject(const std::string name)
{
freeObject(getObjectAddress(name));
}
void Environment::freeAll(void)
{
for (unsigned int i = 0; i < object_.size(); ++i)
{
freeObject(i);
}
}
void Environment::protectObjects(const bool protect)
{
protect_ = protect;
}
bool Environment::objectsProtected(void) const
{
return protect_;
}
// print environment content ///////////////////////////////////////////////////
void Environment::printContent(void) const
{
LOG(Debug) << "Objects: " << std::endl;
for (unsigned int i = 0; i < object_.size(); ++i)
{
LOG(Debug) << std::setw(4) << i << ": "
<< getObjectName(i) << " ("
<< sizeString(getObjectSize(i)) << ")" << std::endl;
}
}

588
Hadrons/Environment.hpp
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@ -1,588 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Environment.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Environment_hpp_
#define Hadrons_Environment_hpp_
#include <Hadrons/Global.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Global environment *
******************************************************************************/
class Object
{
public:
Object(void) = default;
virtual ~Object(void) = default;
};
template <typename T>
class Holder: public Object
{
public:
Holder(void) = default;
Holder(T *pt);
virtual ~Holder(void) = default;
T & get(void) const;
T * getPt(void) const;
void reset(T *pt);
private:
std::unique_ptr<T> objPt_{nullptr};
};
#define DEFINE_ENV_ALIAS \
inline Environment & env(void) const\
{\
return Environment::getInstance();\
}
#define DEFINE_ENV_LAMBDA \
auto env = [](void)->Environment &{return Environment::getInstance();}
class Environment
{
SINGLETON(Environment);
public:
typedef SITE_SIZE_TYPE Size;
typedef std::unique_ptr<GridCartesian> GridPt;
typedef std::unique_ptr<GridRedBlackCartesian> GridRbPt;
typedef std::unique_ptr<GridParallelRNG> RngPt;
typedef std::unique_ptr<GridSerialRNG> SerialRngPt;
enum class Storage {object, cache, temporary};
private:
struct ObjInfo
{
Size size{0};
Storage storage{Storage::object};
unsigned int Ls{0};
const std::type_info *type{nullptr}, *derivedType{nullptr};
std::string name;
int module{-1};
std::unique_ptr<Object> data{nullptr};
};
typedef std::pair<size_t, unsigned int> FineGridKey;
typedef std::pair<size_t, std::vector<int>> CoarseGridKey;
public:
// grids
template <typename VType = vComplex>
void createGrid(const unsigned int Ls);
template <typename VType = vComplex>
void createCoarseGrid(const std::vector<int> &blockSize,
const unsigned int Ls);
template <typename VType = vComplex>
GridCartesian * getGrid(void);
template <typename VType = vComplex>
GridRedBlackCartesian * getRbGrid(void);
template <typename VType = vComplex>
GridCartesian * getCoarseGrid(const std::vector<int> &blockSize);
template <typename VType = vComplex>
GridCartesian * getGrid(const unsigned int Ls);
template <typename VType = vComplex>
GridRedBlackCartesian * getRbGrid(const unsigned int Ls);
template <typename VType = vComplex>
GridCartesian * getCoarseGrid(const std::vector<int> &blockSize,
const unsigned int Ls);
std::vector<int> getDim(void) const;
int getDim(const unsigned int mu) const;
unsigned int getNd(void) const;
double getVolume(void) const;
// random number generator
GridParallelRNG * get4dRng(void);
GridSerialRNG * getSerialRng(void);
// general memory management
void addObject(const std::string name,
const int moduleAddress = -1);
template <typename B, typename T, typename ... Ts>
void createDerivedObject(const std::string name,
const Environment::Storage storage,
const unsigned int Ls,
Ts && ... args);
template <typename T, typename ... Ts>
void createObject(const std::string name,
const Environment::Storage storage,
const unsigned int Ls,
Ts && ... args);
void setObjectModule(const unsigned int objAddress,
const int modAddress);
template <typename B, typename T>
T * getDerivedObject(const unsigned int address) const;
template <typename B, typename T>
T * getDerivedObject(const std::string name) const;
template <typename T>
T * getObject(const unsigned int address) const;
template <typename T>
T * getObject(const std::string name) const;
unsigned int getMaxAddress(void) const;
unsigned int getObjectAddress(const std::string name) const;
std::string getObjectName(const unsigned int address) const;
std::string getObjectType(const unsigned int address) const;
std::string getObjectType(const std::string name) const;
Size getObjectSize(const unsigned int address) const;
Size getObjectSize(const std::string name) const;
Storage getObjectStorage(const unsigned int address) const;
Storage getObjectStorage(const std::string name) const;
int getObjectModule(const unsigned int address) const;
int getObjectModule(const std::string name) const;
unsigned int getObjectLs(const unsigned int address) const;
unsigned int getObjectLs(const std::string name) const;
bool hasObject(const unsigned int address) const;
bool hasObject(const std::string name) const;
bool hasCreatedObject(const unsigned int address) const;
bool hasCreatedObject(const std::string name) const;
bool isObject5d(const unsigned int address) const;
bool isObject5d(const std::string name) const;
template <typename T>
bool isObjectOfType(const unsigned int address) const;
template <typename T>
bool isObjectOfType(const std::string name) const;
Environment::Size getTotalSize(void) const;
void freeObject(const unsigned int address);
void freeObject(const std::string name);
void freeAll(void);
void protectObjects(const bool protect);
bool objectsProtected(void) const;
// print environment content
void printContent(void) const;
private:
// general
double vol_;
bool protect_{true};
// grids
std::vector<int> dim_;
std::map<FineGridKey, GridPt> grid4d_;
std::map<FineGridKey, GridPt> grid5d_;
std::map<FineGridKey, GridRbPt> gridRb4d_;
std::map<FineGridKey, GridRbPt> gridRb5d_;
std::map<CoarseGridKey, GridPt> gridCoarse4d_;
std::map<CoarseGridKey, GridPt> gridCoarse5d_;
unsigned int nd_;
// random number generator
RngPt rng4d_{nullptr};
SerialRngPt rngSerial_{nullptr};
// object store
std::vector<ObjInfo> object_;
std::map<std::string, unsigned int> objectAddress_;
};
/******************************************************************************
* Holder template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename T>
Holder<T>::Holder(T *pt)
: objPt_(pt)
{}
// access //////////////////////////////////////////////////////////////////////
template <typename T>
T & Holder<T>::get(void) const
{
return *objPt_.get();
}
template <typename T>
T * Holder<T>::getPt(void) const
{
return objPt_.get();
}
template <typename T>
void Holder<T>::reset(T *pt)
{
objPt_.reset(pt);
}
/******************************************************************************
* Environment template implementation *
******************************************************************************/
// grids ///////////////////////////////////////////////////////////////////////
#define HADRONS_DUMP_GRID(...)\
LOG(Debug) << "New grid " << (__VA_ARGS__) << std::endl;\
LOG(Debug) << " - cb : " << (__VA_ARGS__)->_isCheckerBoarded << std::endl;\
LOG(Debug) << " - fdim: " << (__VA_ARGS__)->_fdimensions << std::endl;\
LOG(Debug) << " - gdim: " << (__VA_ARGS__)->_gdimensions << std::endl;\
LOG(Debug) << " - ldim: " << (__VA_ARGS__)->_ldimensions << std::endl;\
LOG(Debug) << " - rdim: " << (__VA_ARGS__)->_rdimensions << std::endl;
template <typename VType>
void Environment::createGrid(const unsigned int Ls)
{
size_t hash = typeHash<VType>();
if (grid4d_.find({hash, 1}) == grid4d_.end())
{
grid4d_[{hash, 1}].reset(
SpaceTimeGrid::makeFourDimGrid(getDim(),
GridDefaultSimd(getNd(), VType::Nsimd()),
GridDefaultMpi()));
HADRONS_DUMP_GRID(grid4d_[{hash, 1}].get());
gridRb4d_[{hash, 1}].reset(
SpaceTimeGrid::makeFourDimRedBlackGrid(grid4d_[{hash, 1}].get()));
HADRONS_DUMP_GRID(gridRb4d_[{hash, 1}].get());
}
if (grid5d_.find({hash, Ls}) == grid5d_.end())
{
auto g = grid4d_[{hash, 1}].get();
grid5d_[{hash, Ls}].reset(SpaceTimeGrid::makeFiveDimGrid(Ls, g));
HADRONS_DUMP_GRID(grid5d_[{hash, Ls}].get());
gridRb5d_[{hash, Ls}].reset(SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls, g));
HADRONS_DUMP_GRID(gridRb5d_[{hash, Ls}].get());
}
}
template <typename VType>
void Environment::createCoarseGrid(const std::vector<int> &blockSize,
const unsigned int Ls)
{
int nd = getNd();
std::vector<int> fineDim = getDim(), coarseDim(nd);
unsigned int cLs;
auto key4d = blockSize, key5d = blockSize;
size_t hash = typeHash<VType>();
createGrid(Ls);
for (int d = 0; d < coarseDim.size(); d++)
{
coarseDim[d] = fineDim[d]/blockSize[d];
if (coarseDim[d]*blockSize[d] != fineDim[d])
{
HADRONS_ERROR(Size, "Fine dimension " + std::to_string(d)
+ " (" + std::to_string(fineDim[d])
+ ") not divisible by coarse dimension ("
+ std::to_string(coarseDim[d]) + ")");
}
}
if (blockSize.size() > nd)
{
cLs = Ls/blockSize[nd];
if (cLs*blockSize[nd] != Ls)
{
HADRONS_ERROR(Size, "Fine Ls (" + std::to_string(Ls)
+ ") not divisible by coarse Ls ("
+ std::to_string(cLs) + ")");
}
}
else
{
cLs = Ls;
}
key4d.resize(nd);
key5d.push_back(Ls);
CoarseGridKey hkey4d = {hash, key4d}, hkey5d = {hash, key5d};
if (gridCoarse4d_.find(hkey4d) == gridCoarse4d_.end())
{
gridCoarse4d_[hkey4d].reset(
SpaceTimeGrid::makeFourDimGrid(coarseDim,
GridDefaultSimd(nd, VType::Nsimd()), GridDefaultMpi()));
HADRONS_DUMP_GRID(gridCoarse4d_[hkey4d].get());
}
if (gridCoarse5d_.find(hkey5d) == gridCoarse5d_.end())
{
gridCoarse5d_[hkey5d].reset(
SpaceTimeGrid::makeFiveDimGrid(cLs, gridCoarse4d_[hkey4d].get()));
HADRONS_DUMP_GRID(gridCoarse5d_[hkey5d].get());
}
}
#undef HADRONS_DUMP_GRID
template <typename VType>
GridCartesian * Environment::getGrid(void)
{
FineGridKey key = {typeHash<VType>(), 1};
auto it = grid4d_.find(key);
if (it != grid4d_.end())
{
return it->second.get();
}
else
{
createGrid<VType>(1);
return grid4d_.at(key).get();
}
}
template <typename VType>
GridRedBlackCartesian * Environment::getRbGrid(void)
{
FineGridKey key = {typeHash<VType>(), 1};
auto it = gridRb4d_.find(key);
if (it != gridRb4d_.end())
{
return it->second.get();
}
else
{
createGrid<VType>(1);
return gridRb4d_.at(key).get();
}
}
template <typename VType>
GridCartesian * Environment::getCoarseGrid(const std::vector<int> &blockSize)
{
std::vector<int> s = blockSize;
s.resize(getNd());
CoarseGridKey key = {typeHash<VType>(), s};
auto it = gridCoarse4d_.find(key);
if (it != gridCoarse4d_.end())
{
return it->second.get();
}
else
{
createCoarseGrid<VType>(blockSize, 1);
return gridCoarse4d_.at(key).get();
}
}
template <typename VType>
GridCartesian * Environment::getGrid(const unsigned int Ls)
{
FineGridKey key = {typeHash<VType>(), Ls};
auto it = grid5d_.find(key);
if (it != grid5d_.end())
{
return it->second.get();
}
else
{
createGrid<VType>(Ls);
return grid5d_.at(key).get();
}
}
template <typename VType>
GridRedBlackCartesian * Environment::getRbGrid(const unsigned int Ls)
{
FineGridKey key = {typeHash<VType>(), Ls};
auto it = gridRb5d_.find(key);
if (it != gridRb5d_.end())
{
return it->second.get();
}
else
{
createGrid<VType>(Ls);
return gridRb5d_.at(key).get();
}
}
template <typename VType>
GridCartesian * Environment::getCoarseGrid(const std::vector<int> &blockSize,
const unsigned int Ls)
{
std::vector<int> s = blockSize;
s.push_back(Ls);
CoarseGridKey key = {typeHash<VType>(), s};
auto it = gridCoarse5d_.find(key);
if (it != gridCoarse5d_.end())
{
return it->second.get();
}
else
{
createCoarseGrid<VType>(blockSize, Ls);
return gridCoarse5d_.at(key).get();
}
}
// general memory management ///////////////////////////////////////////////////
template <typename B, typename T, typename ... Ts>
void Environment::createDerivedObject(const std::string name,
const Environment::Storage storage,
const unsigned int Ls,
Ts && ... args)
{
if (!hasObject(name))
{
addObject(name);
}
unsigned int address = getObjectAddress(name);
if (!object_[address].data or !objectsProtected())
{
MemoryStats memStats;
if (!MemoryProfiler::stats)
{
MemoryProfiler::stats = &memStats;
}
size_t initMem = MemoryProfiler::stats->currentlyAllocated;
object_[address].storage = storage;
object_[address].Ls = Ls;
object_[address].data.reset(new Holder<B>(new T(std::forward<Ts>(args)...)));
object_[address].size = MemoryProfiler::stats->maxAllocated - initMem;
object_[address].type = typeIdPt<B>();
object_[address].derivedType = typeIdPt<T>();
if (MemoryProfiler::stats == &memStats)
{
MemoryProfiler::stats = nullptr;
}
}
// object already exists, no error if it is a cache, error otherwise
else if ((object_[address].storage != Storage::cache) or
(object_[address].storage != storage) or
(object_[address].name != name) or
(typeHash(object_[address].type) != typeHash<B>()) or
(typeHash(object_[address].derivedType) != typeHash<T>()))
{
HADRONS_ERROR_REF(ObjectDefinition, "object '" + name + "' already allocated", address);
}
}
template <typename T, typename ... Ts>
void Environment::createObject(const std::string name,
const Environment::Storage storage,
const unsigned int Ls,
Ts && ... args)
{
createDerivedObject<T, T>(name, storage, Ls, std::forward<Ts>(args)...);
}
template <typename B, typename T>
T * Environment::getDerivedObject(const unsigned int address) const
{
if (hasObject(address))
{
if (hasCreatedObject(address))
{
if (auto h = dynamic_cast<Holder<B> *>(object_[address].data.get()))
{
if (&typeid(T) == &typeid(B))
{
return dynamic_cast<T *>(h->getPt());
}
else
{
if (auto hder = dynamic_cast<T *>(h->getPt()))
{
return hder;
}
else
{
HADRONS_ERROR_REF(ObjectType, "object with address " +
std::to_string(address) +
" cannot be casted to '" + typeName(&typeid(T)) +
"' (has type '" + typeName(&typeid(h->get())) + "')", address);
}
}
}
else
{
HADRONS_ERROR_REF(ObjectType, "object with address " +
std::to_string(address) +
" does not have type '" + typeName(&typeid(B)) +
"' (has type '" + getObjectType(address) + "')", address);
}
}
else
{
HADRONS_ERROR_REF(ObjectDefinition, "object with address " +
std::to_string(address) + " is empty", address);
}
}
else
{
HADRONS_ERROR_REF(ObjectDefinition, "no object with address " +
std::to_string(address), address);
}
}
template <typename B, typename T>
T * Environment::getDerivedObject(const std::string name) const
{
return getDerivedObject<B, T>(getObjectAddress(name));
}
template <typename T>
T * Environment::getObject(const unsigned int address) const
{
return getDerivedObject<T, T>(address);
}
template <typename T>
T * Environment::getObject(const std::string name) const
{
return getObject<T>(getObjectAddress(name));
}
template <typename T>
bool Environment::isObjectOfType(const unsigned int address) const
{
if (hasObject(address))
{
if (auto h = dynamic_cast<Holder<T> *>(object_[address].data.get()))
{
return true;
}
else
{
return false;
}
}
else
{
HADRONS_ERROR_REF(ObjectDefinition, "no object with address "
+ std::to_string(address), address);
}
}
template <typename T>
bool Environment::isObjectOfType(const std::string name) const
{
return isObjectOfType<T>(getObjectAddress(name));
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Environment_hpp_

102
Hadrons/Exceptions.cc
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@ -1,102 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Exceptions.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Exceptions.hpp>
#include <Hadrons/VirtualMachine.hpp>
#include <Hadrons/Module.hpp>
#ifndef ERR_SUFF
#define ERR_SUFF " (" + loc + ")"
#endif
#define CTOR_EXC(name, init) \
name::name(std::string msg, std::string loc)\
:init\
{}
#define CTOR_EXC_REF(name, init) \
name::name(std::string msg, std::string loc, const unsigned int address)\
:init\
{}
using namespace Grid;
using namespace Hadrons;
using namespace Exceptions;
// backtrace cache
std::vector<std::string> Grid::Hadrons::Exceptions::backtraceStr;
// logic errors
CTOR_EXC(Logic, logic_error(msg + ERR_SUFF))
CTOR_EXC(Definition, Logic("definition error: " + msg, loc))
CTOR_EXC(Implementation, Logic("implementation error: " + msg, loc))
CTOR_EXC(Range, Logic("range error: " + msg, loc))
CTOR_EXC(Size, Logic("size error: " + msg, loc))
// runtime errors
CTOR_EXC(Runtime, runtime_error(msg + ERR_SUFF))
CTOR_EXC(Argument, Runtime("argument error: " + msg, loc))
CTOR_EXC(Io, Runtime("IO error: " + msg, loc))
CTOR_EXC(Memory, Runtime("memory error: " + msg, loc))
CTOR_EXC(Parsing, Runtime("parsing error: " + msg, loc))
CTOR_EXC(Program, Runtime("program error: " + msg, loc))
CTOR_EXC(System, Runtime("system error: " + msg, loc))
// virtual machine errors
CTOR_EXC_REF(ObjectDefinition, RuntimeRef("object definition error: " + msg, loc, address));
CTOR_EXC_REF(ObjectType, RuntimeRef("object type error: " + msg, loc, address));
// abort functions
void Grid::Hadrons::Exceptions::abort(const std::exception& e)
{
auto &vm = VirtualMachine::getInstance();
int mod = vm.getCurrentModule();
LOG(Error) << "FATAL ERROR -- Exception " << typeName(&typeid(e))
<< std::endl;
if (mod >= 0)
{
LOG(Error) << "During execution of module '"
<< vm.getModuleName(mod) << "' (address " << mod << ")"
<< std::endl;
}
LOG(Error) << e.what() << std::endl;
if (!backtraceStr.empty())
{
LOG(Error) << "-- BACKTRACE --------------" << std::endl;
for (auto &s: backtraceStr)
{
LOG(Error) << s << std::endl;
}
LOG(Error) << "---------------------------" << std::endl;
}
LOG(Error) << "Aborting program" << std::endl;
Grid_finalize();
exit(EXIT_FAILURE);
}

129
Hadrons/Exceptions.hpp
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@ -1,129 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Exceptions.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Exceptions_hpp_
#define Hadrons_Exceptions_hpp_
#include <stdexcept>
#include <execinfo.h>
#ifndef Hadrons_Global_hpp_
#include <Hadrons/Global.hpp>
#endif
#define HADRONS_SRC_LOC std::string(__FUNCTION__) + " at " \
+ std::string(__FILE__) + ":" + std::to_string(__LINE__)
#define HADRONS_BACKTRACE_MAX 128
#ifdef HAVE_EXECINFO_H
#define HADRONS_CACHE_BACKTRACE \
{\
void* _callstack[HADRONS_BACKTRACE_MAX];\
int _i, _frames = backtrace(_callstack, HADRONS_BACKTRACE_MAX);\
char** _strs = backtrace_symbols(_callstack, _frames);\
Grid::Hadrons::Exceptions::backtraceStr.clear();\
for (_i = 0; _i < _frames; ++_i)\
{\
Hadrons::Exceptions::backtraceStr.push_back(std::string(_strs[_i]));\
}\
free(_strs);\
}
#else
#define HADRONS_CACHE_BACKTRACE \
Grid::Hadrons::Exceptions::backtraceStr.clear();\
Grid::Hadrons::Exceptions::backtraceStr.push_back("<backtrace not supported>");
#endif
#define HADRONS_ERROR(exc, msg)\
HADRONS_CACHE_BACKTRACE \
throw(Exceptions::exc(msg, HADRONS_SRC_LOC));
#define HADRONS_ERROR_REF(exc, msg, address)\
HADRONS_CACHE_BACKTRACE \
throw(Exceptions::exc(msg, HADRONS_SRC_LOC, address));
#define DECL_EXC(name, base) \
class name: public base\
{\
public:\
name(std::string msg, std::string loc);\
}
#define DECL_EXC_REF(name, base) \
class name: public base\
{\
public:\
name(std::string msg, std::string loc, const unsigned int address);\
}
BEGIN_HADRONS_NAMESPACE
namespace Exceptions
{
// backtrace cache
extern std::vector<std::string> backtraceStr;
// logic errors
DECL_EXC(Logic, std::logic_error);
DECL_EXC(Definition, Logic);
DECL_EXC(Implementation, Logic);
DECL_EXC(Range, Logic);
DECL_EXC(Size, Logic);
// runtime errors
DECL_EXC(Runtime, std::runtime_error);
DECL_EXC(Argument, Runtime);
DECL_EXC(Io, Runtime);
DECL_EXC(Memory, Runtime);
DECL_EXC(Parsing, Runtime);
DECL_EXC(Program, Runtime);
DECL_EXC(System, Runtime);
// virtual machine errors
class RuntimeRef: public Runtime
{
public:
RuntimeRef(std::string msg, std::string loc, const unsigned int address)
: Runtime(msg, loc), address_(address)
{}
unsigned int getAddress(void) const
{
return address_;
}
private:
unsigned int address_;
};
DECL_EXC_REF(ObjectDefinition, RuntimeRef);
DECL_EXC_REF(ObjectType, RuntimeRef);
// abort functions
void abort(const std::exception& e);
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Exceptions_hpp_

105
Hadrons/Factory.hpp
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@ -1,105 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Factory.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Factory_hpp_
#define Hadrons_Factory_hpp_
#include <Hadrons/Global.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* abstract factory class *
******************************************************************************/
template <typename T>
class Factory
{
public:
typedef std::function<std::unique_ptr<T>(const std::string)> Func;
public:
// constructor
Factory(void) = default;
// destructor
virtual ~Factory(void) = default;
// registration
void registerBuilder(const std::string type, const Func &f);
// get builder list
std::vector<std::string> getBuilderList(void) const;
// factory
std::unique_ptr<T> create(const std::string type,
const std::string name) const;
private:
std::map<std::string, Func> builder_;
};
/******************************************************************************
* template implementation *
******************************************************************************/
// registration ////////////////////////////////////////////////////////////////
template <typename T>
void Factory<T>::registerBuilder(const std::string type, const Func &f)
{
builder_[type] = f;
}
// get module list /////////////////////////////////////////////////////////////
template <typename T>
std::vector<std::string> Factory<T>::getBuilderList(void) const
{
std::vector<std::string> list;
for (auto &b: builder_)
{
list.push_back(b.first);
}
return list;
}
// factory /////////////////////////////////////////////////////////////////////
template <typename T>
std::unique_ptr<T> Factory<T>::create(const std::string type,
const std::string name) const
{
Func func;
try
{
func = builder_.at(type);
}
catch (std::out_of_range &)
{
HADRONS_ERROR(Argument, "object of type '" + type + "' unknown");
}
return func(name);
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Factory_hpp_

321
Hadrons/GeneticScheduler.hpp
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@ -1,321 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/GeneticScheduler.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_GeneticScheduler_hpp_
#define Hadrons_GeneticScheduler_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Graph.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Scheduler based on a genetic algorithm *
******************************************************************************/
template <typename V, typename T>
class GeneticScheduler
{
public:
typedef std::vector<T> Gene;
typedef std::pair<Gene *, Gene *> GenePair;
typedef std::function<V(const Gene &)> ObjFunc;
struct Parameters
{
double mutationRate;
unsigned int popSize, seed;
};
public:
// constructor
GeneticScheduler(Graph<T> &graph, const ObjFunc &func,
const Parameters &par);
// destructor
virtual ~GeneticScheduler(void) = default;
// access
const Gene & getMinSchedule(void);
V getMinValue(void);
// reset population
void initPopulation(void);
// breed a new generation
void nextGeneration(void);
// heuristic benchmarks
void benchmarkCrossover(const unsigned int nIt);
// print population
friend std::ostream & operator<<(std::ostream &out,
const GeneticScheduler<V, T> &s)
{
out << "[";
for (auto &p: s.population_)
{
out << p.first << ", ";
}
out << "\b\b]";
return out;
}
private:
void doCrossover(void);
void doMutation(void);
// genetic operators
GenePair selectPair(void);
void crossover(Gene &c1, Gene &c2, const Gene &p1, const Gene &p2);
void mutation(Gene &m, const Gene &c);
private:
Graph<T> &graph_;
const ObjFunc &func_;
const Parameters par_;
std::multimap<V, Gene> population_;
std::mt19937 gen_;
};
/******************************************************************************
* template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename V, typename T>
GeneticScheduler<V, T>::GeneticScheduler(Graph<T> &graph, const ObjFunc &func,
const Parameters &par)
: graph_(graph)
, func_(func)
, par_(par)
{
gen_.seed(par_.seed);
}
// access //////////////////////////////////////////////////////////////////////
template <typename V, typename T>
const typename GeneticScheduler<V, T>::Gene &
GeneticScheduler<V, T>::getMinSchedule(void)
{
return population_.begin()->second;
}
template <typename V, typename T>
V GeneticScheduler<V, T>::getMinValue(void)
{
return population_.begin()->first;
}
// breed a new generation //////////////////////////////////////////////////////
template <typename V, typename T>
void GeneticScheduler<V, T>::nextGeneration(void)
{
// random initialization of the population if necessary
if (population_.size() != par_.popSize)
{
initPopulation();
}
//LOG(Debug) << "Starting population:\n" << *this << std::endl;
// random mutations
for (unsigned int i = 0; i < par_.popSize; ++i)
{
doMutation();
}
//LOG(Debug) << "After mutations:\n" << *this << std::endl;
// mating
for (unsigned int i = 0; i < par_.popSize/2; ++i)
{
doCrossover();
}
//LOG(Debug) << "After mating:\n" << *this << std::endl;
// grim reaper
auto it = population_.begin();
std::advance(it, par_.popSize);
population_.erase(it, population_.end());
//LOG(Debug) << "After grim reaper:\n" << *this << std::endl;
}
// evolution steps /////////////////////////////////////////////////////////////
template <typename V, typename T>
void GeneticScheduler<V, T>::initPopulation(void)
{
population_.clear();
for (unsigned int i = 0; i < par_.popSize; ++i)
{
auto p = graph_.topoSort(gen_);
population_.insert(std::make_pair(func_(p), p));
}
}
template <typename V, typename T>
void GeneticScheduler<V, T>::doCrossover(void)
{
auto p = selectPair();
Gene &p1 = *(p.first), &p2 = *(p.second);
Gene c1, c2;
crossover(c1, c2, p1, p2);
thread_critical
{
population_.insert(std::make_pair(func_(c1), c1));
population_.insert(std::make_pair(func_(c2), c2));
}
}
template <typename V, typename T>
void GeneticScheduler<V, T>::doMutation(void)
{
std::uniform_real_distribution<double> mdis(0., 1.);
std::uniform_int_distribution<unsigned int> pdis(0, population_.size() - 1);
if (mdis(gen_) < par_.mutationRate)
{
Gene m;
auto it = population_.begin();
std::advance(it, pdis(gen_));
mutation(m, it->second);
thread_critical
{
population_.insert(std::make_pair(func_(m), m));
}
}
}
// genetic operators ///////////////////////////////////////////////////////////
template <typename V, typename T>
typename GeneticScheduler<V, T>::GenePair GeneticScheduler<V, T>::selectPair(void)
{
std::vector<double> prob;
unsigned int ind;
Gene *p1, *p2;
const double max = population_.rbegin()->first;
for (auto &c: population_)
{
prob.push_back(std::exp((c.first-1.)/max));
}
std::discrete_distribution<unsigned int> dis1(prob.begin(), prob.end());
auto rIt = population_.begin();
ind = dis1(gen_);
std::advance(rIt, ind);
p1 = &(rIt->second);
prob[ind] = 0.;
std::discrete_distribution<unsigned int> dis2(prob.begin(), prob.end());
rIt = population_.begin();
std::advance(rIt, dis2(gen_));
p2 = &(rIt->second);
return std::make_pair(p1, p2);
}
template <typename V, typename T>
void GeneticScheduler<V, T>::crossover(Gene &c1, Gene &c2, const Gene &p1,
const Gene &p2)
{
Gene buf;
std::uniform_int_distribution<unsigned int> dis(0, p1.size() - 1);
unsigned int cut = dis(gen_);
c1.clear();
buf = p2;
for (unsigned int i = 0; i < cut; ++i)
{
c1.push_back(p1[i]);
buf.erase(std::find(buf.begin(), buf.end(), p1[i]));
}
for (unsigned int i = 0; i < buf.size(); ++i)
{
c1.push_back(buf[i]);
}
c2.clear();
buf = p2;
for (unsigned int i = cut; i < p1.size(); ++i)
{
buf.erase(std::find(buf.begin(), buf.end(), p1[i]));
}
for (unsigned int i = 0; i < buf.size(); ++i)
{
c2.push_back(buf[i]);
}
for (unsigned int i = cut; i < p1.size(); ++i)
{
c2.push_back(p1[i]);
}
}
template <typename V, typename T>
void GeneticScheduler<V, T>::mutation(Gene &m, const Gene &c)
{
Gene buf;
std::uniform_int_distribution<unsigned int> dis(0, c.size() - 1);
unsigned int cut = dis(gen_);
Graph<T> g1 = graph_, g2 = graph_;
for (unsigned int i = 0; i < cut; ++i)
{
g1.removeVertex(c[i]);
}
for (unsigned int i = cut; i < c.size(); ++i)
{
g2.removeVertex(c[i]);
}
if (g1.size() > 0)
{
buf = g1.topoSort(gen_);
}
if (g2.size() > 0)
{
m = g2.topoSort(gen_);
}
for (unsigned int i = cut; i < c.size(); ++i)
{
m.push_back(buf[i - cut]);
}
}
template <typename V, typename T>
void GeneticScheduler<V, T>::benchmarkCrossover(const unsigned int nIt)
{
Gene p1, p2, c1, c2;
double neg = 0., eq = 0., pos = 0., total;
int improvement;
LOG(Message) << "Benchmarking crossover..." << std::endl;
for (unsigned int i = 0; i < nIt; ++i)
{
p1 = graph_.topoSort(gen_);
p2 = graph_.topoSort(gen_);
crossover(c1, c2, p1, p2);
improvement = (func_(c1) + func_(c2) - func_(p1) - func_(p2))/2;
if (improvement < 0) neg++; else if (improvement == 0) eq++; else pos++;
}
total = neg + eq + pos;
LOG(Message) << " -: " << neg/total << " =: " << eq/total
<< " +: " << pos/total << std::endl;
}
END_HADRONS_NAMESPACE
#endif // Hadrons_GeneticScheduler_hpp_

213
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Global.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Global.hpp>
using namespace Grid;
using namespace Hadrons;
HadronsLogger Hadrons::HadronsLogError(1,"Error");
HadronsLogger Hadrons::HadronsLogWarning(1,"Warning");
HadronsLogger Hadrons::HadronsLogMessage(1,"Message");
HadronsLogger Hadrons::HadronsLogIterative(1,"Iterative");
HadronsLogger Hadrons::HadronsLogDebug(1,"Debug");
HadronsLogger Hadrons::HadronsLogIRL(1,"IRL");
void Hadrons::initLogger(void)
{
auto w = std::string("Hadrons").length();
int cw = 8;
GridLogError.setTopWidth(w);
GridLogWarning.setTopWidth(w);
GridLogMessage.setTopWidth(w);
GridLogIterative.setTopWidth(w);
GridLogDebug.setTopWidth(w);
GridLogIRL.setTopWidth(w);
GridLogError.setChanWidth(cw);
GridLogWarning.setChanWidth(cw);
GridLogMessage.setChanWidth(cw);
GridLogIterative.setChanWidth(cw);
GridLogDebug.setChanWidth(cw);
GridLogIRL.setChanWidth(cw);
HadronsLogError.Active(true);
HadronsLogWarning.Active(true);
HadronsLogMessage.Active(GridLogMessage.isActive());
HadronsLogIterative.Active(GridLogIterative.isActive());
HadronsLogDebug.Active(GridLogDebug.isActive());
HadronsLogIRL.Active(GridLogIRL.isActive());
HadronsLogError.setChanWidth(cw);
HadronsLogWarning.setChanWidth(cw);
HadronsLogMessage.setChanWidth(cw);
HadronsLogIterative.setChanWidth(cw);
HadronsLogDebug.setChanWidth(cw);
HadronsLogIRL.setChanWidth(cw);
}
// type utilities //////////////////////////////////////////////////////////////
size_t Hadrons::typeHash(const std::type_info *info)
{
return info->hash_code();
}
//constexpr unsigned int maxNameSize = 1024u;
std::string Hadrons::typeName(const std::type_info *info)
{
char *buf;
std::string name;
buf = abi::__cxa_demangle(info->name(), nullptr, nullptr, nullptr);
name = buf;
free(buf);
return name;
}
// default writers/readers /////////////////////////////////////////////////////
#ifdef HAVE_HDF5
const std::string Hadrons::resultFileExt = "h5";
#else
const std::string Hadrons::resultFileExt = "xml";
#endif
// recursive mkdir /////////////////////////////////////////////////////////////
int Hadrons::mkdir(const std::string dirName)
{
if (!dirName.empty() and access(dirName.c_str(), R_OK|W_OK|X_OK))
{
mode_t mode755;
char tmp[MAX_PATH_LENGTH];
char *p = NULL;
size_t len;
mode755 = S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH;
snprintf(tmp, sizeof(tmp), "%s", dirName.c_str());
len = strlen(tmp);
if(tmp[len - 1] == '/')
{
tmp[len - 1] = 0;
}
for(p = tmp + 1; *p; p++)
{
if(*p == '/')
{
*p = 0;
::mkdir(tmp, mode755);
*p = '/';
}
}
return ::mkdir(tmp, mode755);
}
else
{
return 0;
}
}
std::string Hadrons::basename(const std::string &s)
{
constexpr char sep = '/';
size_t i = s.rfind(sep, s.length());
if (i != std::string::npos)
{
return s.substr(i+1, s.length() - i);
}
else
{
return s;
}
}
std::string Hadrons::dirname(const std::string &s)
{
constexpr char sep = '/';
size_t i = s.rfind(sep, s.length());
if (i != std::string::npos)
{
return s.substr(0, i);
}
else
{
return "";
}
}
void Hadrons::makeFileDir(const std::string filename, GridBase *g)
{
bool doIt = true;
if (g)
{
doIt = g->IsBoss();
}
if (doIt)
{
std::string dir = dirname(filename);
int status = mkdir(dir);
if (status)
{
HADRONS_ERROR(Io, "cannot create directory '" + dir
+ "' ( " + std::strerror(errno) + ")");
}
}
}
void Hadrons::printTimeProfile(const std::map<std::string, GridTime> &timing,
GridTime total)
{
typedef decltype(total.count()) Count;
std::map<Count, std::string, std::greater<Count>> rtiming;
const double dtotal = static_cast<double>(total.count());
auto cf = std::cout.flags();
auto p = std::cout.precision();
unsigned int width = 0;
for (auto &t: timing)
{
width = std::max(width, static_cast<unsigned int>(t.first.length()));
rtiming[t.second.count()] = t.first;
}
for (auto &rt: rtiming)
{
LOG(Message) << std::setw(width) << rt.second << ": "
<< rt.first << " us (" << std::fixed
<< std::setprecision(1)
<< static_cast<double>(rt.first)/dtotal*100 << "%)"
<< std::endl;
}
std::cout.flags(cf);
std::cout.precision(p);
}

282
Hadrons/Global.hpp
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Global.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Global_hpp_
#define Hadrons_Global_hpp_
#include <set>
#include <stack>
#include <regex>
#include <Grid/Grid.h>
#include <cxxabi.h>
#ifndef SITE_SIZE_TYPE
#define SITE_SIZE_TYPE size_t
#endif
#ifndef DEFAULT_ASCII_PREC
#define DEFAULT_ASCII_PREC 16
#endif
#define ARG(...) __VA_ARGS__
/* the 'using Grid::operator<<;' statement prevents a very nasty compilation
* error with GCC 5 (clang & GCC 6 compile fine without it).
*/
#define BEGIN_HADRONS_NAMESPACE \
namespace Grid {\
namespace Hadrons {\
using Grid::operator<<;\
using Grid::operator>>;
#define END_HADRONS_NAMESPACE }}
#define BEGIN_MODULE_NAMESPACE(name)\
namespace name {\
using Grid::operator<<;\
using Grid::operator>>;
#define END_MODULE_NAMESPACE }
#define _HADRONS_IMPL(impl, sub) impl##sub
#define HADRONS_IMPL(impl, sub) _HADRONS_IMPL(impl, sub)
#ifndef FIMPLBASE
#define FIMPLBASE WilsonImpl
#endif
#define FIMPL HADRONS_IMPL(FIMPLBASE, R)
#define FIMPLF HADRONS_IMPL(FIMPLBASE, F)
#define FIMPLD HADRONS_IMPL(FIMPLBASE, D)
#ifndef ZFIMPLBASE
#define ZFIMPLBASE ZWilsonImpl
#endif
#define ZFIMPL HADRONS_IMPL(ZFIMPLBASE, R)
#define ZFIMPLF HADRONS_IMPL(ZFIMPLBASE, F)
#define ZFIMPLD HADRONS_IMPL(ZFIMPLBASE, D)
#ifndef SIMPLBASE
#define SIMPLBASE ScalarImplC
#endif
#define SIMPL HADRONS_IMPL(SIMPLBASE, R)
#define SIMPLF HADRONS_IMPL(SIMPLBASE, F)
#define SIMPLD HADRONS_IMPL(SIMPLBASE, D)
#ifndef GIMPLBASE
#define GIMPLBASE PeriodicGimpl
#endif
#define GIMPL HADRONS_IMPL(GIMPLBASE, R)
#define GIMPLF HADRONS_IMPL(GIMPLBASE, F)
#define GIMPLD HADRONS_IMPL(GIMPLBASE, D)
BEGIN_HADRONS_NAMESPACE
// type aliases
#define BASIC_TYPE_ALIASES(Impl, suffix)\
typedef typename Impl::Field ScalarField##suffix;\
typedef typename Impl::PropagatorField PropagatorField##suffix;\
typedef typename Impl::SitePropagator::scalar_object SitePropagator##suffix;\
typedef typename Impl::ComplexField ComplexField##suffix;\
typedef std::vector<SitePropagator##suffix> SlicedPropagator##suffix;\
typedef std::vector<typename ComplexField##suffix::vector_object::scalar_object> SlicedComplex##suffix;
#define FERM_TYPE_ALIASES(FImpl, suffix)\
BASIC_TYPE_ALIASES(FImpl, suffix);\
typedef FermionOperator<FImpl> FMat##suffix;\
typedef typename FImpl::FermionField FermionField##suffix;\
typedef typename FImpl::GaugeField GaugeField##suffix;\
typedef typename FImpl::DoubledGaugeField DoubledGaugeField##suffix;\
typedef Lattice<iSpinMatrix<typename FImpl::Simd>> SpinMatrixField##suffix;
#define GAUGE_TYPE_ALIASES(GImpl, suffix)\
typedef typename GImpl::GaugeField GaugeField##suffix;
#define SOLVER_TYPE_ALIASES(FImpl, suffix)\
typedef Solver<FImpl> Solver##suffix;
#define SINK_TYPE_ALIASES(suffix)\
typedef std::function<SlicedPropagator##suffix\
(const PropagatorField##suffix &)> SinkFn##suffix;
// logger
class HadronsLogger: public Logger
{
public:
HadronsLogger(int on, std::string nm): Logger("Hadrons", on, nm,
GridLogColours, "BLACK"){};
};
#define LOG(channel) std::cout << HadronsLog##channel
#define HADRONS_DEBUG_VAR(var) LOG(Debug) << #var << "= " << (var) << std::endl;
extern HadronsLogger HadronsLogError;
extern HadronsLogger HadronsLogWarning;
extern HadronsLogger HadronsLogMessage;
extern HadronsLogger HadronsLogIterative;
extern HadronsLogger HadronsLogDebug;
extern HadronsLogger HadronsLogIRL;
void initLogger(void);
// singleton pattern
#define SINGLETON(name)\
public:\
name(const name &e) = delete;\
void operator=(const name &e) = delete;\
static name & getInstance(void)\
{\
static name e;\
return e;\
}\
private:\
name(void);
#define SINGLETON_DEFCTOR(name)\
public:\
name(const name &e) = delete;\
void operator=(const name &e) = delete;\
static name & getInstance(void)\
{\
static name e;\
return e;\
}\
private:\
name(void) = default;
// type utilities
template <typename T>
const std::type_info * typeIdPt(const T &x)
{
return &typeid(x);
}
template <typename T>
const std::type_info * typeIdPt(void)
{
return &typeid(T);
}
size_t typeHash(const std::type_info *info);
template <typename T>
size_t typeHash(const T &x)
{
return typeHash(typeIdPt(x));
}
template <typename T>
size_t typeHash(void)
{
return typeHash(typeIdPt<T>());
}
std::string typeName(const std::type_info *info);
template <typename T>
std::string typeName(const T &x)
{
return typeName(typeIdPt(x));
}
template <typename T>
std::string typeName(void)
{
return typeName(typeIdPt<T>());
}
// default writers/readers
extern const std::string resultFileExt;
#ifdef HAVE_HDF5
typedef Hdf5Reader ResultReader;
typedef Hdf5Writer ResultWriter;
#else
typedef XmlReader ResultReader;
typedef XmlWriter ResultWriter;
#endif
#define RESULT_FILE_NAME(name, traj) \
name + "." + std::to_string(traj) + "." + resultFileExt
// recursive mkdir
#define MAX_PATH_LENGTH 512u
int mkdir(const std::string dirName);
std::string basename(const std::string &s);
std::string dirname(const std::string &s);
void makeFileDir(const std::string filename, GridBase *g = nullptr);
// default Schur convention
#ifndef HADRONS_DEFAULT_SCHUR
#define HADRONS_DEFAULT_SCHUR DiagTwo
#endif
#define _HADRONS_SCHUR_OP_(conv) Schur##conv##Operator
#define HADRONS_SCHUR_OP(conv) _HADRONS_SCHUR_OP_(conv)
#define HADRONS_DEFAULT_SCHUR_OP HADRONS_SCHUR_OP(HADRONS_DEFAULT_SCHUR)
#define _HADRONS_SCHUR_SOLVE_(conv) SchurRedBlack##conv##Solve
#define HADRONS_SCHUR_SOLVE(conv) _HADRONS_SCHUR_SOLVE_(conv)
#define HADRONS_DEFAULT_SCHUR_SOLVE HADRONS_SCHUR_SOLVE(HADRONS_DEFAULT_SCHUR)
#define _HADRONS_SCHUR_A2A_(conv) A2AVectorsSchur##conv
#define HADRONS_SCHUR_A2A(conv) _HADRONS_SCHUR_A2A_(conv)
#define HADRONS_DEFAULT_SCHUR_A2A HADRONS_SCHUR_A2A(HADRONS_DEFAULT_SCHUR)
// stringify macro
#define _HADRONS_STR(x) #x
#define HADRONS_STR(x) _HADRONS_STR(x)
// pretty print time profile
void printTimeProfile(const std::map<std::string, GridTime> &timing, GridTime total);
// token replacement utility
template <typename T>
void tokenReplace(std::string &str, const std::string token,
const T &x, const std::string mark = "@")
{
std::string fullToken = mark + token + mark;
auto pos = str.find(fullToken);
if (pos != std::string::npos)
{
str.replace(pos, fullToken.size(), std::to_string(x));
}
}
// generic correlator class
template <typename Metadata, typename Scalar = Complex>
struct Correlator: Serializable
{
GRID_SERIALIZABLE_CLASS_MEMBERS(ARG(Correlator<Metadata, Scalar>),
Metadata, info,
std::vector<Scalar>, corr);
};
END_HADRONS_NAMESPACE
#include <Hadrons/Exceptions.hpp>
#endif // Hadrons_Global_hpp_

759
Hadrons/Graph.hpp
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@ -1,759 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Graph.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Graph_hpp_
#define Hadrons_Graph_hpp_
#include <Hadrons/Global.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Oriented graph class *
******************************************************************************/
// I/O for edges
template <typename T>
std::ostream & operator<<(std::ostream &out, const std::pair<T, T> &e)
{
out << "\"" << e.first << "\" -> \"" << e.second << "\"";
return out;
}
// main class
template <typename T>
class Graph
{
public:
typedef std::pair<T, T> Edge;
public:
// constructor
Graph(void);
// destructor
virtual ~Graph(void) = default;
// access
void addVertex(const T &value);
void addEdge(const Edge &e);
void addEdge(const T &start, const T &end);
std::vector<T> getVertices(void) const;
void removeVertex(const T &value);
void removeEdge(const Edge &e);
void removeEdge(const T &start, const T &end);
unsigned int size(void) const;
// tests
bool gotValue(const T &value) const;
// graph topological manipulations
std::vector<T> getAdjacentVertices(const T &value) const;
std::vector<T> getChildren(const T &value) const;
std::vector<T> getParents(const T &value) const;
std::vector<T> getRoots(void) const;
std::vector<Graph<T>> getConnectedComponents(void) const;
std::vector<T> topoSort(void);
template <typename Gen>
std::vector<T> topoSort(Gen &gen);
std::vector<std::vector<T>> allTopoSort(void);
// I/O
friend std::ostream & operator<<(std::ostream &out, const Graph<T> &g)
{
out << "{";
for (auto &e: g.edgeSet_)
{
out << e << ", ";
}
if (g.edgeSet_.size() != 0)
{
out << "\b\b";
}
out << "}";
return out;
}
private:
// vertex marking
void mark(const T &value, const bool doMark = true);
void markAll(const bool doMark = true);
void unmark(const T &value);
void unmarkAll(void);
bool isMarked(const T &value) const;
const T * getFirstMarked(const bool isMarked = true) const;
template <typename Gen>
const T * getRandomMarked(const bool isMarked, Gen &gen);
const T * getFirstUnmarked(void) const;
template <typename Gen>
const T * getRandomUnmarked(Gen &gen);
// prune marked/unmarked vertices
void removeMarked(const bool isMarked = true);
void removeUnmarked(void);
// depth-first search marking
void depthFirstSearch(void);
void depthFirstSearch(const T &root);
private:
std::map<T, bool> isMarked_;
std::set<Edge> edgeSet_;
};
// build depedency matrix from topological sorts
template <typename T>
std::map<T, std::map<T, bool>>
makeDependencyMatrix(const std::vector<std::vector<T>> &topSort);
/******************************************************************************
* template implementation *
******************************************************************************
* in all the following V is the number of vertex and E is the number of edge
* in the worst case E = V^2
*/
// constructor /////////////////////////////////////////////////////////////////
template <typename T>
Graph<T>::Graph(void)
{}
// access //////////////////////////////////////////////////////////////////////
// complexity: log(V)
template <typename T>
void Graph<T>::addVertex(const T &value)
{
isMarked_[value] = false;
}
// complexity: O(log(V))
template <typename T>
void Graph<T>::addEdge(const Edge &e)
{
addVertex(e.first);
addVertex(e.second);
edgeSet_.insert(e);
}
// complexity: O(log(V))
template <typename T>
void Graph<T>::addEdge(const T &start, const T &end)
{
addEdge(Edge(start, end));
}
template <typename T>
std::vector<T> Graph<T>::getVertices(void) const
{
std::vector<T> vertex;
for (auto &v: isMarked_)
{
vertex.push_back(v.first);
}
return vertex;
}
// complexity: O(V*log(V))
template <typename T>
void Graph<T>::removeVertex(const T &value)
{
// remove vertex from the mark table
auto vIt = isMarked_.find(value);
if (vIt != isMarked_.end())
{
isMarked_.erase(vIt);
}
else
{
HADRONS_ERROR(Range, "vertex does not exists");
}
// remove all edges containing the vertex
auto pred = [&value](const Edge &e)
{
return ((e.first == value) or (e.second == value));
};
auto eIt = find_if(edgeSet_.begin(), edgeSet_.end(), pred);
while (eIt != edgeSet_.end())
{
edgeSet_.erase(eIt);
eIt = find_if(edgeSet_.begin(), edgeSet_.end(), pred);
}
}
// complexity: O(log(V))
template <typename T>
void Graph<T>::removeEdge(const Edge &e)
{
auto eIt = edgeSet_.find(e);
if (eIt != edgeSet_.end())
{
edgeSet_.erase(eIt);
}
else
{
HADRONS_ERROR(Range, "edge does not exists");
}
}
// complexity: O(log(V))
template <typename T>
void Graph<T>::removeEdge(const T &start, const T &end)
{
removeEdge(Edge(start, end));
}
// complexity: O(1)
template <typename T>
unsigned int Graph<T>::size(void) const
{
return isMarked_.size();
}
// tests ///////////////////////////////////////////////////////////////////////
// complexity: O(log(V))
template <typename T>
bool Graph<T>::gotValue(const T &value) const
{
auto it = isMarked_.find(value);
if (it == isMarked_.end())
{
return false;
}
else
{
return true;
}
}
// vertex marking //////////////////////////////////////////////////////////////
// complexity: O(log(V))
template <typename T>
void Graph<T>::mark(const T &value, const bool doMark)
{
if (gotValue(value))
{
isMarked_[value] = doMark;
}
else
{
HADRONS_ERROR(Range, "vertex does not exists");
}
}
// complexity: O(V*log(V))
template <typename T>
void Graph<T>::markAll(const bool doMark)
{
for (auto &v: isMarked_)
{
mark(v.first, doMark);
}
}
// complexity: O(log(V))
template <typename T>
void Graph<T>::unmark(const T &value)
{
mark(value, false);
}
// complexity: O(V*log(V))
template <typename T>
void Graph<T>::unmarkAll(void)
{
markAll(false);
}
// complexity: O(log(V))
template <typename T>
bool Graph<T>::isMarked(const T &value) const
{
if (gotValue(value))
{
return isMarked_.at(value);
}
else
{
HADRONS_ERROR(Range, "vertex does not exists");
return false;
}
}
// complexity: O(log(V))
template <typename T>
const T * Graph<T>::getFirstMarked(const bool isMarked) const
{
auto pred = [&isMarked](const std::pair<T, bool> &v)
{
return (v.second == isMarked);
};
auto vIt = std::find_if(isMarked_.begin(), isMarked_.end(), pred);
if (vIt != isMarked_.end())
{
return &(vIt->first);
}
else
{
return nullptr;
}
}
// complexity: O(log(V))
template <typename T>
template <typename Gen>
const T * Graph<T>::getRandomMarked(const bool isMarked, Gen &gen)
{
auto pred = [&isMarked](const std::pair<T, bool> &v)
{
return (v.second == isMarked);
};
std::uniform_int_distribution<unsigned int> dis(0, size() - 1);
auto rIt = isMarked_.begin();
std::advance(rIt, dis(gen));
auto vIt = std::find_if(rIt, isMarked_.end(), pred);
if (vIt != isMarked_.end())
{
return &(vIt->first);
}
else
{
vIt = std::find_if(isMarked_.begin(), rIt, pred);
if (vIt != rIt)
{
return &(vIt->first);
}
else
{
return nullptr;
}
}
}
// complexity: O(log(V))
template <typename T>
const T * Graph<T>::getFirstUnmarked(void) const
{
return getFirstMarked(false);
}
// complexity: O(log(V))
template <typename T>
template <typename Gen>
const T * Graph<T>::getRandomUnmarked(Gen &gen)
{
return getRandomMarked(false, gen);
}
// prune marked/unmarked vertices //////////////////////////////////////////////
// complexity: O(V^2*log(V))
template <typename T>
void Graph<T>::removeMarked(const bool isMarked)
{
auto isMarkedCopy = isMarked_;
for (auto &v: isMarkedCopy)
{
if (v.second == isMarked)
{
removeVertex(v.first);
}
}
}
// complexity: O(V^2*log(V))
template <typename T>
void Graph<T>::removeUnmarked(void)
{
removeMarked(false);
}
// depth-first search marking //////////////////////////////////////////////////
// complexity: O(V*log(V))
template <typename T>
void Graph<T>::depthFirstSearch(void)
{
depthFirstSearch(isMarked_.begin()->first);
}
// complexity: O(V*log(V))
template <typename T>
void Graph<T>::depthFirstSearch(const T &root)
{
std::vector<T> adjacentVertex;
mark(root);
adjacentVertex = getAdjacentVertices(root);
for (auto &v: adjacentVertex)
{
if (!isMarked(v))
{
depthFirstSearch(v);
}
}
}
// graph topological manipulations /////////////////////////////////////////////
// complexity: O(V*log(V))
template <typename T>
std::vector<T> Graph<T>::getAdjacentVertices(const T &value) const
{
std::vector<T> adjacentVertex;
auto pred = [&value](const Edge &e)
{
return ((e.first == value) or (e.second == value));
};
auto eIt = std::find_if(edgeSet_.begin(), edgeSet_.end(), pred);
while (eIt != edgeSet_.end())
{
if (eIt->first == value)
{
adjacentVertex.push_back((*eIt).second);
}
else if (eIt->second == value)
{
adjacentVertex.push_back((*eIt).first);
}
eIt = std::find_if(++eIt, edgeSet_.end(), pred);
}
return adjacentVertex;
}
// complexity: O(V*log(V))
template <typename T>
std::vector<T> Graph<T>::getChildren(const T &value) const
{
std::vector<T> child;
auto pred = [&value](const Edge &e)
{
return (e.first == value);
};
auto eIt = std::find_if(edgeSet_.begin(), edgeSet_.end(), pred);
while (eIt != edgeSet_.end())
{
child.push_back((*eIt).second);
eIt = std::find_if(++eIt, edgeSet_.end(), pred);
}
return child;
}
// complexity: O(V*log(V))
template <typename T>
std::vector<T> Graph<T>::getParents(const T &value) const
{
std::vector<T> parent;
auto pred = [&value](const Edge &e)
{
return (e.second == value);
};
auto eIt = std::find_if(edgeSet_.begin(), edgeSet_.end(), pred);
while (eIt != edgeSet_.end())
{
parent.push_back((*eIt).first);
eIt = std::find_if(++eIt, edgeSet_.end(), pred);
}
return parent;
}
// complexity: O(V^2*log(V))
template <typename T>
std::vector<T> Graph<T>::getRoots(void) const
{
std::vector<T> root;
for (auto &v: isMarked_)
{
auto parent = getParents(v.first);
if (parent.size() == 0)
{
root.push_back(v.first);
}
}
return root;
}
// complexity: O(V^2*log(V))
template <typename T>
std::vector<Graph<T>> Graph<T>::getConnectedComponents(void) const
{
std::vector<Graph<T>> res;
Graph<T> copy(*this);
while (copy.size() > 0)
{
copy.depthFirstSearch();
res.push_back(copy);
res.back().removeUnmarked();
res.back().unmarkAll();
copy.removeMarked();
copy.unmarkAll();
}
return res;
}
// topological sort using a directed DFS algorithm
// complexity: O(V*log(V))
template <typename T>
std::vector<T> Graph<T>::topoSort(void)
{
std::stack<T> buf;
std::vector<T> res;
const T *vPt;
std::map<T, bool> tmpMarked(isMarked_);
// visit function
std::function<void(const T &)> visit = [&](const T &v)
{
if (tmpMarked.at(v))
{
HADRONS_ERROR(Range, "cannot topologically sort a cyclic graph");
}
if (!isMarked(v))
{
std::vector<T> child = getChildren(v);
tmpMarked[v] = true;
for (auto &c: child)
{
visit(c);
}
mark(v);
tmpMarked[v] = false;
buf.push(v);
}
};
// reset temporary marks
for (auto &v: tmpMarked)
{
tmpMarked.at(v.first) = false;
}
// loop on unmarked vertices
unmarkAll();
vPt = getFirstUnmarked();
while (vPt)
{
visit(*vPt);
vPt = getFirstUnmarked();
}
unmarkAll();
// create result vector
while (!buf.empty())
{
res.push_back(buf.top());
buf.pop();
}
return res;
}
// random version of the topological sort
// complexity: O(V*log(V))
template <typename T>
template <typename Gen>
std::vector<T> Graph<T>::topoSort(Gen &gen)
{
std::stack<T> buf;
std::vector<T> res;
const T *vPt;
std::map<T, bool> tmpMarked(isMarked_);
// visit function
std::function<void(const T &)> visit = [&](const T &v)
{
if (tmpMarked.at(v))
{
HADRONS_ERROR(Range, "cannot topologically sort a cyclic graph");
}
if (!isMarked(v))
{
std::vector<T> child = getChildren(v);
tmpMarked[v] = true;
std::shuffle(child.begin(), child.end(), gen);
for (auto &c: child)
{
visit(c);
}
mark(v);
tmpMarked[v] = false;
buf.push(v);
}
};
// reset temporary marks
for (auto &v: tmpMarked)
{
tmpMarked.at(v.first) = false;
}
// loop on unmarked vertices
unmarkAll();
vPt = getRandomUnmarked(gen);
while (vPt)
{
visit(*vPt);
vPt = getRandomUnmarked(gen);
}
unmarkAll();
// create result vector
while (!buf.empty())
{
res.push_back(buf.top());
buf.pop();
}
return res;
}
// generate all possible topological sorts
// Y. L. Varol & D. Rotem, Comput. J. 24(1), pp. 83–84, 1981
// http://comjnl.oupjournals.org/cgi/doi/10.1093/comjnl/24.1.83
// complexity: O(V*log(V)) (from the paper, but really ?)
template <typename T>
std::vector<std::vector<T>> Graph<T>::allTopoSort(void)
{
std::vector<std::vector<T>> res;
std::map<T, std::map<T, bool>> iMat;
// create incidence matrix
for (auto &v1: isMarked_)
for (auto &v2: isMarked_)
{
iMat[v1.first][v2.first] = false;
}
for (auto &v: isMarked_)
{
auto cVec = getChildren(v.first);
for (auto &c: cVec)
{
iMat[v.first][c] = true;
}
}
// generate initial topological sort
res.push_back(topoSort());
// generate all other topological sorts by permutation
std::vector<T> p = res[0];
const unsigned int n = size();
std::vector<unsigned int> loc(n);
unsigned int i, k, k1;
T obj_k, obj_k1;
bool isFinal;
for (unsigned int j = 0; j < n; ++j)
{
loc[j] = j;
}
i = 0;
while (i < n-1)
{
k = loc[i];
k1 = k + 1;
obj_k = p[k];
if (k1 >= n)
{
isFinal = true;
obj_k1 = obj_k;
}
else
{
isFinal = false;
obj_k1 = p[k1];
}
if (iMat[res[0][i]][obj_k1] or isFinal)
{
for (unsigned int l = k; l >= i + 1; --l)
{
p[l] = p[l-1];
}
p[i] = obj_k;
loc[i] = i;
i++;
}
else
{
p[k] = obj_k1;
p[k1] = obj_k;
loc[i] = k1;
i = 0;
res.push_back(p);
}
}
return res;
}
// build depedency matrix from topological sorts ///////////////////////////////
// complexity: something like O(V^2*log(V!))
template <typename T>
std::map<T, std::map<T, bool>>
makeDependencyMatrix(const std::vector<std::vector<T>> &topSort)
{
std::map<T, std::map<T, bool>> m;
const std::vector<T> &vList = topSort[0];
for (auto &v1: vList)
for (auto &v2: vList)
{
bool dep = true;
for (auto &t: topSort)
{
auto i1 = std::find(t.begin(), t.end(), v1);
auto i2 = std::find(t.begin(), t.end(), v2);
dep = dep and (i1 - i2 > 0);
if (!dep) break;
}
m[v1][v2] = dep;
}
return m;
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Graph_hpp_

38
Hadrons/Makefile.am
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@ -1,38 +0,0 @@
SUBDIRS = . Utilities
lib_LIBRARIES = libHadrons.a
include modules.inc
libHadrons_a_SOURCES = \
Application.cc \
Environment.cc \
Exceptions.cc \
Global.cc \
Module.cc \
TimerArray.cc \
VirtualMachine.cc \
$(modules_cc)
libHadrons_adir = $(includedir)/Hadrons
nobase_libHadrons_a_HEADERS = \
A2AVectors.hpp \
A2AMatrix.hpp \
Application.hpp \
DilutedNoise.hpp \
DiskVector.hpp \
EigenPack.hpp \
Environment.hpp \
Exceptions.hpp \
Factory.hpp \
GeneticScheduler.hpp \
Global.hpp \
Graph.hpp \
Module.hpp \
Modules.hpp \
ModuleFactory.hpp \
NamedTensor.hpp \
Solver.hpp \
TimerArray.hpp \
VirtualMachine.hpp \
$(modules_hpp)

110
Hadrons/Module.cc
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@ -1,110 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Module.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Module.hpp>
using namespace Grid;
using namespace Hadrons;
/******************************************************************************
* ModuleBase implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
ModuleBase::ModuleBase(const std::string name)
: name_(name)
{}
// access //////////////////////////////////////////////////////////////////////
std::string ModuleBase::getName(void) const
{
return name_;
}
// get factory registration name if available
std::string ModuleBase::getRegisteredName(void)
{
HADRONS_ERROR(Definition, "module '" + getName() + "' has no registered type"
+ " in the factory");
}
// execution ///////////////////////////////////////////////////////////////////
void ModuleBase::operator()(void)
{
resetTimers();
startTimer("_total");
startTimer("_setup");
setup();
stopTimer("_setup");
startTimer("_execute");
execute();
stopAllTimers();
}
std::string ModuleBase::makeSeedString(void)
{
std::string seed;
if (!vm().getRunId().empty())
{
seed += vm().getRunId() + "-";
}
seed += getName() + "-" + std::to_string(vm().getTrajectory());
return seed;
}
GridParallelRNG & ModuleBase::rng4d(void)
{
auto &r = *env().get4dRng();
if (makeSeedString() != seed_)
{
seed_ = makeSeedString();
LOG(Message) << "Seeding 4D RNG " << &r << " with string '"
<< seed_ << "'" << std::endl;
r.SeedUniqueString(seed_);
}
return r;
}
GridSerialRNG & ModuleBase::rngSerial(void)
{
auto &r = *env().getSerialRng();
if (makeSeedString() != seed_)
{
seed_ = makeSeedString();
LOG(Message) << "Seeding Serial RNG " << &r << " with string '"
<< seed_ << "'" << std::endl;
r.SeedUniqueString(seed_);
}
return r;
}

295
Hadrons/Module.hpp
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@ -1,295 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Module.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Module_hpp_
#define Hadrons_Module_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/TimerArray.hpp>
#include <Hadrons/VirtualMachine.hpp>
BEGIN_HADRONS_NAMESPACE
// module registration macros
#define MODULE_REGISTER(mod, base, ns)\
class mod: public base\
{\
public:\
typedef base Base;\
using Base::Base;\
virtual std::string getRegisteredName(void)\
{\
return std::string(#ns "::" #mod);\
}\
};\
class ns##mod##ModuleRegistrar\
{\
public:\
ns##mod##ModuleRegistrar(void)\
{\
ModuleFactory &modFac = ModuleFactory::getInstance();\
modFac.registerBuilder(#ns "::" #mod, [&](const std::string name)\
{\
return std::unique_ptr<ns::mod>(new ns::mod(name));\
});\
}\
};\
static ns##mod##ModuleRegistrar ns##mod##ModuleRegistrarInstance;
#define MODULE_REGISTER_TMP(mod, base, ns)\
extern template class base;\
MODULE_REGISTER(mod, ARG(base), ns);
#define HADRONS_MACRO_REDIRECT_12(arg1, arg2, macro, ...) macro
#define HADRONS_MACRO_REDIRECT_23(arg1, arg2, arg3, macro, ...) macro
#define envGetGrid4(latticeType)\
env().template getGrid<typename latticeType::vector_type>()
#define envGetGrid5(latticeType, Ls)\
env().template getGrid<typename latticeType::vector_type>(Ls)
#define envGetGrid(...)\
HADRONS_MACRO_REDIRECT_12(__VA_ARGS__, envGetGrid5, envGetGrid4)(__VA_ARGS__)
#define envGetCoarseGrid4(latticeType, blockSize)\
env().template getCoarseGrid<typename latticeType::vector_type>(blockSize)
#define envGetCoarseGrid5(latticeType, blockSize, Ls)\
env().template getCoarseGrid<typename latticeType::vector_type>(blockSize, Ls)
#define envGetCoarseGrid(...)\
HADRONS_MACRO_REDIRECT_23(__VA_ARGS__, envGetCoarseGrid5, envGetCoarseGrid4)(__VA_ARGS__)
#define envGetRbGrid4(latticeType)\
env().template getRbGrid<typename latticeType::vector_type>()
#define envGetRbGrid5(latticeType, Ls)\
env().template getRbGrid<typename latticeType::vector_type>(Ls)
#define envGetRbGrid(...)\
HADRONS_MACRO_REDIRECT_12(__VA_ARGS__, envGetRbGrid5, envGetRbGrid4)(__VA_ARGS__)
#define envGet(type, name)\
*env().template getObject<type>(name)
#define envGetDerived(base, type, name)\
*env().template getDerivedObject<base, type>(name)
#define envGetTmp(type, var)\
type &var = *env().template getObject<type>(getName() + "_tmp_" + #var)
#define envHasType(type, name)\
env().template isObjectOfType<type>(name)
#define envCreate(type, name, Ls, ...)\
env().template createObject<type>(name, Environment::Storage::object, Ls, __VA_ARGS__)
#define envCreateDerived(base, type, name, Ls, ...)\
env().template createDerivedObject<base, type>(name, Environment::Storage::object, Ls, __VA_ARGS__)
#define envCreateLat4(type, name)\
envCreate(type, name, 1, envGetGrid(type))
#define envCreateLat5(type, name, Ls)\
envCreate(type, name, Ls, envGetGrid(type, Ls))
#define envCreateLat(...)\
HADRONS_MACRO_REDIRECT_23(__VA_ARGS__, envCreateLat5, envCreateLat4)(__VA_ARGS__)
#define envCache(type, name, Ls, ...)\
env().template createObject<type>(name, Environment::Storage::cache, Ls, __VA_ARGS__)
#define envCacheLat4(type, name)\
envCache(type, name, 1, envGetGrid(type))
#define envCacheLat5(type, name, Ls)\
envCache(type, name, Ls, envGetGrid(type, Ls))
#define envCacheLat(...)\
HADRONS_MACRO_REDIRECT_23(__VA_ARGS__, envCacheLat5, envCacheLat4)(__VA_ARGS__)
#define envTmp(type, name, Ls, ...)\
env().template createObject<type>(getName() + "_tmp_" + name, \
Environment::Storage::temporary, Ls, __VA_ARGS__)
#define envTmpLat4(type, name)\
envTmp(type, name, 1, envGetGrid(type))
#define envTmpLat5(type, name, Ls)\
envTmp(type, name, Ls, envGetGrid(type, Ls))
#define envTmpLat(...)\
HADRONS_MACRO_REDIRECT_23(__VA_ARGS__, envTmpLat5, envTmpLat4)(__VA_ARGS__)
#define saveResult(ioStem, name, result)\
if (env().getGrid()->IsBoss() and !ioStem.empty())\
{\
makeFileDir(ioStem, env().getGrid());\
{\
ResultWriter _writer(RESULT_FILE_NAME(ioStem, vm().getTrajectory()));\
write(_writer, name, result);\
}\
}
/******************************************************************************
* Module class *
******************************************************************************/
// base class
class ModuleBase: public TimerArray
{
public:
// constructor
ModuleBase(const std::string name);
// destructor
virtual ~ModuleBase(void) = default;
// access
std::string getName(void) const;
// get factory registration name if available
virtual std::string getRegisteredName(void);
// dependencies/products
virtual std::vector<std::string> getInput(void) = 0;
virtual std::vector<std::string> getReference(void)
{
return std::vector<std::string>(0);
};
virtual std::vector<std::string> getOutput(void) = 0;
// parse parameters
virtual void parseParameters(XmlReader &reader, const std::string name) = 0;
virtual void saveParameters(XmlWriter &writer, const std::string name) = 0;
// parameter string
virtual std::string parString(void) const = 0;
// setup
virtual void setup(void) {};
virtual void execute(void) = 0;
// execution
void operator()(void);
protected:
// environment shortcut
DEFINE_ENV_ALIAS;
// virtual machine shortcut
DEFINE_VM_ALIAS;
// RNG seeded from module string
GridParallelRNG &rng4d(void);
GridSerialRNG &rngSerial(void);
private:
std::string makeSeedString(void);
private:
std::string name_, currentTimer_, seed_;
std::map<std::string, GridStopWatch> timer_;
};
// derived class, templating the parameter class
template <typename P>
class Module: public ModuleBase
{
public:
typedef P Par;
public:
// constructor
Module(const std::string name);
// destructor
virtual ~Module(void) = default;
// parse parameters
virtual void parseParameters(XmlReader &reader, const std::string name);
virtual void saveParameters(XmlWriter &writer, const std::string name);
// parameter string
virtual std::string parString(void) const;
// parameter access
const P & par(void) const;
void setPar(const P &par);
private:
P par_;
};
// no parameter type
class NoPar {};
template <>
class Module<NoPar>: public ModuleBase
{
public:
// constructor
Module(const std::string name): ModuleBase(name) {};
// destructor
virtual ~Module(void) = default;
// parse parameters (do nothing)
virtual void parseParameters(XmlReader &reader, const std::string name) {};
virtual void saveParameters(XmlWriter &writer, const std::string name)
{
push(writer, "options");
pop(writer);
};
// parameter string (empty)
virtual std::string parString(void) const {return "";};
};
/******************************************************************************
* Template implementation *
******************************************************************************/
template <typename P>
Module<P>::Module(const std::string name)
: ModuleBase(name)
{}
template <typename P>
void Module<P>::parseParameters(XmlReader &reader, const std::string name)
{
read(reader, name, par_);
}
template <typename P>
void Module<P>::saveParameters(XmlWriter &writer, const std::string name)
{
write(writer, name, par_);
}
template <typename P>
std::string Module<P>::parString(void) const
{
XmlWriter writer("", "");
write(writer, par_.SerialisableClassName(), par_);
return writer.string();
}
template <typename P>
const P & Module<P>::par(void) const
{
return par_;
}
template <typename P>
void Module<P>::setPar(const P &par)
{
par_ = par;
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Module_hpp_

48
Hadrons/ModuleFactory.hpp
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@ -1,48 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/ModuleFactory.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_ModuleFactory_hpp_
#define Hadrons_ModuleFactory_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Factory.hpp>
#include <Hadrons/Module.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* ModuleFactory *
******************************************************************************/
class ModuleFactory: public Factory<ModuleBase>
{
SINGLETON_DEFCTOR(ModuleFactory)
};
END_HADRONS_NAMESPACE
#endif // Hadrons_ModuleFactory_hpp_

87
Hadrons/Modules.hpp
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@ -1,87 +0,0 @@
#include <Hadrons/Modules/MAction/DWF.hpp>
#include <Hadrons/Modules/MAction/MobiusDWF.hpp>
#include <Hadrons/Modules/MAction/ScaledDWF.hpp>
#include <Hadrons/Modules/MAction/WilsonClover.hpp>
#include <Hadrons/Modules/MAction/Wilson.hpp>
#include <Hadrons/Modules/MAction/ZMobiusDWF.hpp>
#include <Hadrons/Modules/MContraction/A2AAslashField.hpp>
#include <Hadrons/Modules/MContraction/A2AFourQuarkContraction.hpp>
#include <Hadrons/Modules/MContraction/A2ALoop.hpp>
#include <Hadrons/Modules/MContraction/A2AMesonField.hpp>
#include <Hadrons/Modules/MContraction/Baryon.hpp>
#include <Hadrons/Modules/MContraction/DiscLoop.hpp>
#include <Hadrons/Modules/MContraction/Gamma3pt.hpp>
#include <Hadrons/Modules/MContraction/Meson.hpp>
#include <Hadrons/Modules/MContraction/SigmaToNucleonEye.hpp>
#include <Hadrons/Modules/MContraction/SigmaToNucleonNonEye.hpp>
#include <Hadrons/Modules/MContraction/WeakEye3pt.hpp>
#include <Hadrons/Modules/MContraction/WeakMesonDecayKl2.hpp>
#include <Hadrons/Modules/MContraction/WeakNonEye3pt.hpp>
#include <Hadrons/Modules/MDistil/Distil.hpp>
#include <Hadrons/Modules/MDistil/DistilPar.hpp>
#include <Hadrons/Modules/MDistil/DistilVectors.hpp>
#include <Hadrons/Modules/MDistil/LapEvec.hpp>
#include <Hadrons/Modules/MDistil/Noises.hpp>
#include <Hadrons/Modules/MDistil/PerambFromSolve.hpp>
#include <Hadrons/Modules/MDistil/Perambulator.hpp>
#include <Hadrons/Modules/MFermion/EMLepton.hpp>
#include <Hadrons/Modules/MFermion/FreeProp.hpp>
#include <Hadrons/Modules/MFermion/GaugeProp.hpp>
#include <Hadrons/Modules/MGauge/Electrify.hpp>
#include <Hadrons/Modules/MGauge/FundtoHirep.hpp>
#include <Hadrons/Modules/MGauge/GaugeFix.hpp>
#include <Hadrons/Modules/MGauge/Random.hpp>
#include <Hadrons/Modules/MGauge/StochEm.hpp>
#include <Hadrons/Modules/MGauge/StoutSmearing.hpp>
#include <Hadrons/Modules/MGauge/UnitEm.hpp>
#include <Hadrons/Modules/MGauge/Unit.hpp>
#include <Hadrons/Modules/MIO/LoadA2AMatrixDiskVector.hpp>
#include <Hadrons/Modules/MIO/LoadA2AVectors.hpp>
#include <Hadrons/Modules/MIO/LoadBinary.hpp>
#include <Hadrons/Modules/MIO/LoadCoarseEigenPack.hpp>
#include <Hadrons/Modules/MIO/LoadCosmHol.hpp>
#include <Hadrons/Modules/MIO/LoadDistilNoise.hpp>
#include <Hadrons/Modules/MIO/LoadEigenPack.hpp>
#include <Hadrons/Modules/MIO/LoadNersc.hpp>
#include <Hadrons/Modules/MIO/LoadPerambulator.hpp>
#include <Hadrons/Modules/MNoise/FullVolumeSpinColorDiagonal.hpp>
#include <Hadrons/Modules/MNoise/SparseSpinColorDiagonal.hpp>
#include <Hadrons/Modules/MNoise/TimeDilutedSpinColorDiagonal.hpp>
#include <Hadrons/Modules/MNPR/Amputate.hpp>
#include <Hadrons/Modules/MNPR/Bilinear.hpp>
#include <Hadrons/Modules/MNPR/FourQuark.hpp>
#include <Hadrons/Modules/MScalar/ChargedProp.hpp>
#include <Hadrons/Modules/MScalar/FreeProp.hpp>
#include <Hadrons/Modules/MScalar/Scalar.hpp>
#include <Hadrons/Modules/MScalarSUN/Div.hpp>
#include <Hadrons/Modules/MScalarSUN/EMT.hpp>
#include <Hadrons/Modules/MScalarSUN/Grad.hpp>
#include <Hadrons/Modules/MScalarSUN/StochFreeField.hpp>
#include <Hadrons/Modules/MScalarSUN/TransProj.hpp>
#include <Hadrons/Modules/MScalarSUN/TrKinetic.hpp>
#include <Hadrons/Modules/MScalarSUN/TrMag.hpp>
#include <Hadrons/Modules/MScalarSUN/TrPhi.hpp>
#include <Hadrons/Modules/MScalarSUN/TwoPoint.hpp>
#include <Hadrons/Modules/MScalarSUN/TwoPointNPR.hpp>
#include <Hadrons/Modules/MScalarSUN/Utils.hpp>
#include <Hadrons/Modules/MSink/Point.hpp>
#include <Hadrons/Modules/MSink/Smear.hpp>
#include <Hadrons/Modules/MSolver/A2AAslashVectors.hpp>
#include <Hadrons/Modules/MSolver/A2AVectors.hpp>
#include <Hadrons/Modules/MSolver/Guesser.hpp>
#include <Hadrons/Modules/MSolver/LocalCoherenceLanczos.hpp>
#include <Hadrons/Modules/MSolver/MixedPrecisionRBPrecCG.hpp>
#include <Hadrons/Modules/MSolver/RBPrecCG.hpp>
#include <Hadrons/Modules/MSource/Convolution.hpp>
#include <Hadrons/Modules/MSource/Gauss.hpp>
#include <Hadrons/Modules/MSource/JacobiSmear.hpp>
#include <Hadrons/Modules/MSource/Momentum.hpp>
#include <Hadrons/Modules/MSource/MomentumPhase.hpp>
#include <Hadrons/Modules/MSource/Point.hpp>
#include <Hadrons/Modules/MSource/SeqAslash.hpp>
#include <Hadrons/Modules/MSource/SeqConserved.hpp>
#include <Hadrons/Modules/MSource/SeqGamma.hpp>
#include <Hadrons/Modules/MSource/Wall.hpp>
#include <Hadrons/Modules/MSource/Z2.hpp>
#include <Hadrons/Modules/MUtilities/PrecisionCast.hpp>
#include <Hadrons/Modules/MUtilities/RandomVectors.hpp>

37
Hadrons/Modules/MAction/DWF.cc
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@ -1,37 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/DWF.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MAction/DWF.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MAction;
template class Grid::Hadrons::MAction::TDWF<FIMPL>;
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
template class Grid::Hadrons::MAction::TDWF<FIMPLF>;
#endif

155
Hadrons/Modules/MAction/DWF.hpp
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@ -1,155 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/DWF.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MAction_DWF_hpp_
#define Hadrons_MAction_DWF_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Domain wall quark action *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MAction)
class DWFPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(DWFPar,
std::string, gauge,
unsigned int, Ls,
double , mass,
double , M5,
std::string , boundary,
std::string , twist);
};
template <typename FImpl>
class TDWF: public Module<DWFPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TDWF(const std::string name);
// destructor
virtual ~TDWF(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(DWF, TDWF<FIMPL>, MAction);
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
MODULE_REGISTER_TMP(DWFF, TDWF<FIMPLF>, MAction);
#endif
/******************************************************************************
* DWF template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TDWF<FImpl>::TDWF(const std::string name)
: Module<DWFPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TDWF<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
template <typename FImpl>
std::vector<std::string> TDWF<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDWF<FImpl>::setup(void)
{
LOG(Message) << "Setting up domain wall fermion matrix with m= "
<< par().mass << ", M5= " << par().M5 << " and Ls= "
<< par().Ls << " using gauge field '" << par().gauge << "'"
<< std::endl;
auto &U = envGet(GaugeField, par().gauge);
auto &g4 = *envGetGrid(FermionField);
auto &grb4 = *envGetRbGrid(FermionField);
auto &g5 = *envGetGrid(FermionField, par().Ls);
auto &grb5 = *envGetRbGrid(FermionField, par().Ls);
typename DomainWallFermion<FImpl>::ImplParams implParams;
if (!par().boundary.empty())
{
implParams.boundary_phases = strToVec<Complex>(par().boundary);
}
if (!par().twist.empty())
{
implParams.twist_n_2pi_L = strToVec<Real>(par().twist);
}
LOG(Message) << "Fermion boundary conditions: " << implParams.boundary_phases
<< std::endl;
LOG(Message) << "Twists: " << implParams.twist_n_2pi_L
<< std::endl;
if (implParams.boundary_phases.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of boundary phase");
}
if (implParams.twist_n_2pi_L.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of twist");
}
envCreateDerived(FMat, DomainWallFermion<FImpl>, getName(), par().Ls, U, g5,
grb5, g4, grb4, par().mass, par().M5, implParams);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDWF<FImpl>::execute(void)
{}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MAction_DWF_hpp_

37
Hadrons/Modules/MAction/MobiusDWF.cc
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@ -1,37 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/MobiusDWF.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MAction/MobiusDWF.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MAction;
template class Grid::Hadrons::MAction::TMobiusDWF<FIMPL>;
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
template class Grid::Hadrons::MAction::TMobiusDWF<FIMPLF>;
#endif

156
Hadrons/Modules/MAction/MobiusDWF.hpp
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@ -1,156 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/MobiusDWF.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MAction_MobiusDWF_hpp_
#define Hadrons_MAction_MobiusDWF_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Mobius domain-wall fermion action *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MAction)
class MobiusDWFPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(MobiusDWFPar,
std::string , gauge,
unsigned int, Ls,
double , mass,
double , M5,
double , b,
double , c,
std::string , boundary,
std::string , twist);
};
template <typename FImpl>
class TMobiusDWF: public Module<MobiusDWFPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TMobiusDWF(const std::string name);
// destructor
virtual ~TMobiusDWF(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(MobiusDWF, TMobiusDWF<FIMPL>, MAction);
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
MODULE_REGISTER_TMP(MobiusDWFF, TMobiusDWF<FIMPLF>, MAction);
#endif
/******************************************************************************
* TMobiusDWF implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TMobiusDWF<FImpl>::TMobiusDWF(const std::string name)
: Module<MobiusDWFPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TMobiusDWF<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
template <typename FImpl>
std::vector<std::string> TMobiusDWF<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TMobiusDWF<FImpl>::setup(void)
{
LOG(Message) << "Setting up Mobius domain wall fermion matrix with m= "
<< par().mass << ", M5= " << par().M5 << ", Ls= " << par().Ls
<< ", b= " << par().b << ", c= " << par().c
<< " using gauge field '" << par().gauge << "'"
<< std::endl;
auto &U = envGet(GaugeField, par().gauge);
auto &g4 = *envGetGrid(FermionField);
auto &grb4 = *envGetRbGrid(FermionField);
auto &g5 = *envGetGrid(FermionField, par().Ls);
auto &grb5 = *envGetRbGrid(FermionField, par().Ls);
typename MobiusFermion<FImpl>::ImplParams implParams;
if (!par().boundary.empty())
{
implParams.boundary_phases = strToVec<Complex>(par().boundary);
}
if (!par().twist.empty())
{
implParams.twist_n_2pi_L = strToVec<Real>(par().twist);
}
LOG(Message) << "Fermion boundary conditions: " << implParams.boundary_phases
<< std::endl;
LOG(Message) << "Twists: " << implParams.twist_n_2pi_L
<< std::endl;
if (implParams.boundary_phases.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of boundary phase");
}
if (implParams.twist_n_2pi_L.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of twist");
}
envCreateDerived(FMat, MobiusFermion<FImpl>, getName(), par().Ls, U, g5,
grb5, g4, grb4, par().mass, par().M5, par().b, par().c,
implParams);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TMobiusDWF<FImpl>::execute(void)
{}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MAction_MobiusDWF_hpp_

37
Hadrons/Modules/MAction/ScaledDWF.cc
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@ -1,37 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/ScaledDWF.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MAction/ScaledDWF.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MAction;
template class Grid::Hadrons::MAction::TScaledDWF<FIMPL>;
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
template class Grid::Hadrons::MAction::TScaledDWF<FIMPLF>;
#endif

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@ -1,155 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/ScaledDWF.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MAction_ScaledDWF_hpp_
#define Hadrons_MAction_ScaledDWF_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Scaled domain wall fermion *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MAction)
class ScaledDWFPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(ScaledDWFPar,
std::string , gauge,
unsigned int, Ls,
double , mass,
double , M5,
double , scale,
std::string , boundary,
std::string , twist);
};
template <typename FImpl>
class TScaledDWF: public Module<ScaledDWFPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TScaledDWF(const std::string name);
// destructor
virtual ~TScaledDWF(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(ScaledDWF, TScaledDWF<FIMPL>, MAction);
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
MODULE_REGISTER_TMP(ScaledDWFF, TScaledDWF<FIMPLF>, MAction);
#endif
/******************************************************************************
* TScaledDWF implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TScaledDWF<FImpl>::TScaledDWF(const std::string name)
: Module<ScaledDWFPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TScaledDWF<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
template <typename FImpl>
std::vector<std::string> TScaledDWF<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TScaledDWF<FImpl>::setup(void)
{
LOG(Message) << "Setting up scaled domain wall fermion matrix with m= "
<< par().mass << ", M5= " << par().M5 << ", Ls= " << par().Ls
<< ", scale= " << par().scale
<< " using gauge field '" << par().gauge << "'"
<< std::endl;
auto &U = envGet(GaugeField, par().gauge);
auto &g4 = *envGetGrid(FermionField);
auto &grb4 = *envGetRbGrid(FermionField);
auto &g5 = *envGetGrid(FermionField, par().Ls);
auto &grb5 = *envGetRbGrid(FermionField, par().Ls);
typename ScaledShamirFermion<FImpl>::ImplParams implParams;
if (!par().boundary.empty())
{
implParams.boundary_phases = strToVec<Complex>(par().boundary);
}
if (!par().twist.empty())
{
implParams.twist_n_2pi_L = strToVec<Real>(par().twist);
}
LOG(Message) << "Fermion boundary conditions: " << implParams.boundary_phases
<< std::endl;
LOG(Message) << "Twists: " << implParams.twist_n_2pi_L
<< std::endl;
if (implParams.boundary_phases.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of boundary phase");
}
if (implParams.twist_n_2pi_L.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of twist");
}
envCreateDerived(FMat, ScaledShamirFermion<FImpl>, getName(), par().Ls, U, g5,
grb5, g4, grb4, par().mass, par().M5, par().scale,
implParams);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TScaledDWF<FImpl>::execute(void)
{}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MAction_ScaledDWF_hpp_

37
Hadrons/Modules/MAction/Wilson.cc
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@ -1,37 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/Wilson.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MAction/Wilson.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MAction;
template class Grid::Hadrons::MAction::TWilson<FIMPL>;
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
template class Grid::Hadrons::MAction::TWilson<FIMPLF>;
#endif

148
Hadrons/Modules/MAction/Wilson.hpp
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@ -1,148 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/Wilson.hpp
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MAction_Wilson_hpp_
#define Hadrons_MAction_Wilson_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* TWilson quark action *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MAction)
class WilsonPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(WilsonPar,
std::string, gauge,
double , mass,
std::string, boundary,
std::string, string,
std::string, twist);
};
template <typename FImpl>
class TWilson: public Module<WilsonPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TWilson(const std::string name);
// destructor
virtual ~TWilson(void) {};
// dependencies/products
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
MODULE_REGISTER_TMP(Wilson, TWilson<FIMPL>, MAction);
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
MODULE_REGISTER_TMP(WilsonF, TWilson<FIMPLF>, MAction);
#endif
/******************************************************************************
* TWilson template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TWilson<FImpl>::TWilson(const std::string name)
: Module<WilsonPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TWilson<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
template <typename FImpl>
std::vector<std::string> TWilson<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TWilson<FImpl>::setup(void)
{
LOG(Message) << "Setting up Wilson fermion matrix with m= " << par().mass
<< " using gauge field '" << par().gauge << "'" << std::endl;
auto &U = envGet(GaugeField, par().gauge);
auto &grid = *envGetGrid(FermionField);
auto &gridRb = *envGetRbGrid(FermionField);
typename WilsonFermion<FImpl>::ImplParams implParams;
if (!par().boundary.empty())
{
implParams.boundary_phases = strToVec<Complex>(par().boundary);
}
if (!par().twist.empty())
{
implParams.twist_n_2pi_L = strToVec<Real>(par().twist);
}
LOG(Message) << "Fermion boundary conditions: " << implParams.boundary_phases << std::endl;
LOG(Message) << "Twists: " << implParams.twist_n_2pi_L << std::endl;
if (implParams.boundary_phases.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of boundary phase");
}
if (implParams.twist_n_2pi_L.size() != env().getNd())
{
HADRONS_ERROR(Size, "Wrong number of twist");
}
envCreateDerived(FMat, WilsonFermion<FImpl>, getName(), 1, U, grid, gridRb,
par().mass, implParams);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TWilson<FImpl>::execute()
{}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_Wilson_hpp_

37
Hadrons/Modules/MAction/WilsonClover.cc
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@ -1,37 +0,0 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MAction/WilsonClover.cc
Copyright (C) 2015-2019
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Hadrons/Modules/MAction/WilsonClover.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MAction;
template class Grid::Hadrons::MAction::TWilsonClover<FIMPL>;
#ifdef GRID_DEFAULT_PRECISION_DOUBLE
template class Grid::Hadrons::MAction::TWilsonClover<FIMPLF>;
#endif

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