mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-19 16:55:37 +01:00
Basic non-local coarsening of operator test
This commit is contained in:
Peter Boyle
parent
64283c8673
commit
9246e653cd
@ -37,6 +37,9 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
|
||||
using namespace std;
|
||||
using namespace Grid;
|
||||
|
||||
///////////////////////
|
||||
// Tells little dirac op to use MdagM as the .Op()
|
||||
///////////////////////
|
||||
template<class Field>
|
||||
class HermOpAdaptor : public LinearOperatorBase<Field>
|
||||
{
|
||||
@ -56,81 +59,6 @@ public:
|
||||
void HermOp(const Field &in, Field &out){
|
||||
wrapped.HermOp(in,out);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
template<class Matrix,class Field>
|
||||
class PVdagMLinearOperator : public LinearOperatorBase<Field> {
|
||||
Matrix &_Mat;
|
||||
Matrix &_PV;
|
||||
public:
|
||||
PVdagMLinearOperator(Matrix &Mat,Matrix &PV): _Mat(Mat),_PV(PV){};
|
||||
|
||||
void OpDiag (const Field &in, Field &out) { assert(0); }
|
||||
void OpDir (const Field &in, Field &out,int dir,int disp) { assert(0); }
|
||||
void OpDirAll (const Field &in, std::vector<Field> &out){ assert(0); };
|
||||
void Op (const Field &in, Field &out){
|
||||
Field tmp(in.Grid());
|
||||
_Mat.M(in,tmp);
|
||||
_PV.Mdag(tmp,out);
|
||||
}
|
||||
void AdjOp (const Field &in, Field &out){
|
||||
Field tmp(in.Grid());
|
||||
_PV.M(tmp,out);
|
||||
_Mat.Mdag(in,tmp);
|
||||
}
|
||||
void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){ assert(0); }
|
||||
void HermOp(const Field &in, Field &out){
|
||||
Field tmp(in.Grid());
|
||||
_Mat.M(in,tmp);
|
||||
_PV.Mdag(tmp,out);
|
||||
_PV.M(out,tmp);
|
||||
_Mat.Mdag(tmp,out);
|
||||
}
|
||||
};
|
||||
|
||||
template<class Field> class DumbOperator : public LinearOperatorBase<Field> {
|
||||
public:
|
||||
LatticeComplex scale;
|
||||
DumbOperator(GridBase *grid) : scale(grid)
|
||||
{
|
||||
scale = 0.0;
|
||||
LatticeComplex scalesft(grid);
|
||||
LatticeComplex scaletmp(grid);
|
||||
for(int d=0;d<4;d++){
|
||||
Lattice<iScalar<vInteger> > x(grid); LatticeCoordinate(x,d+1);
|
||||
LatticeCoordinate(scaletmp,d+1);
|
||||
scalesft = Cshift(scaletmp,d+1,1);
|
||||
scale = 100.0*scale + where( mod(x ,2)==(Integer)0, scalesft,scaletmp);
|
||||
}
|
||||
// std::cout << " scale\n" << scale << std::endl;
|
||||
}
|
||||
// Support for coarsening to a multigrid
|
||||
void OpDiag (const Field &in, Field &out) {};
|
||||
void OpDir (const Field &in, Field &out,int dir,int disp){};
|
||||
void OpDirAll (const Field &in, std::vector<Field> &out) {};
|
||||
|
||||
void Op (const Field &in, Field &out){
|
||||
out = scale * in;
|
||||
}
|
||||
void AdjOp (const Field &in, Field &out){
|
||||
out = scale * in;
|
||||
}
|
||||
void HermOp(const Field &in, Field &out){
|
||||
double n1, n2;
|
||||
HermOpAndNorm(in,out,n1,n2);
|
||||
}
|
||||
void HermOpAndNorm(const Field &in, Field &out,double &n1,double &n2){
|
||||
ComplexD dot;
|
||||
|
||||
out = scale * in;
|
||||
|
||||
dot= innerProduct(in,out);
|
||||
n1=real(dot);
|
||||
|
||||
dot = innerProduct(out,out);
|
||||
n2=real(dot);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
@ -140,7 +68,9 @@ int main (int argc, char ** argv)
|
||||
|
||||
const int Ls=4;
|
||||
|
||||
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
|
||||
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(),
|
||||
GridDefaultSimd(Nd,vComplex::Nsimd()),
|
||||
GridDefaultMpi());
|
||||
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
|
||||
|
||||
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
|
||||
@ -151,7 +81,10 @@ int main (int argc, char ** argv)
|
||||
for(int d=0;d<clatt.size();d++){
|
||||
clatt[d] = clatt[d]/2;
|
||||
}
|
||||
GridCartesian *Coarse4d = SpaceTimeGrid::makeFourDimGrid(clatt, GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());;
|
||||
|
||||
GridCartesian *Coarse4d = SpaceTimeGrid::makeFourDimGrid(clatt,
|
||||
GridDefaultSimd(Nd,vComplex::Nsimd()),
|
||||
GridDefaultMpi());;
|
||||
GridCartesian *Coarse5d = SpaceTimeGrid::makeFiveDimGrid(1,Coarse4d);
|
||||
|
||||
std::vector<int> seeds4({1,2,3,4});
|
||||
@ -167,19 +100,15 @@ int main (int argc, char ** argv)
|
||||
LatticeFermion tmp(FGrid);
|
||||
LatticeFermion err(FGrid);
|
||||
LatticeGaugeField Umu(UGrid);
|
||||
//SU<Nc>::HotConfiguration(RNG4,Umu);
|
||||
SU<Nc>::ColdConfiguration(Umu);
|
||||
// auto U = peekLorentz(Umu,0);
|
||||
// Umu=Zero(); // Make operator local for now
|
||||
// pokeLorentz(Umu,U,0);
|
||||
SU<Nc>::HotConfiguration(RNG4,Umu);
|
||||
// Umu=Zero();
|
||||
|
||||
RealD mass=0.5;
|
||||
RealD mass=0.1;
|
||||
RealD M5=1.8;
|
||||
|
||||
DomainWallFermionD Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
||||
DomainWallFermionD Dpv(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,1.0,M5);
|
||||
|
||||
const int nbasis = 20;
|
||||
const int nbasis = 4;
|
||||
const int cb = 0 ;
|
||||
LatticeFermion prom(FGrid);
|
||||
|
||||
@ -187,40 +116,52 @@ int main (int argc, char ** argv)
|
||||
|
||||
std::cout<<GridLogMessage<<"Calling Aggregation class" <<std::endl;
|
||||
|
||||
// Possible tactics -- with zero gauge field, verify block locality of dirac op
|
||||
// Possible tactics -- with zero gauge field, take inner products
|
||||
|
||||
// Squared operator
|
||||
///////////////////////////////////////////////////////////
|
||||
// Squared operator is in HermOp
|
||||
///////////////////////////////////////////////////////////
|
||||
MdagMLinearOperator<DomainWallFermionD,LatticeFermion> HermDefOp(Ddwf);
|
||||
DumbOperator<LatticeFermion> Diagonal(FGrid);
|
||||
typedef Aggregation<vSpinColourVector,vTComplex,nbasis> Subspace;
|
||||
|
||||
///////////////////////////////////////////////////
|
||||
// Random aggregation space
|
||||
///////////////////////////////////////////////////
|
||||
std::cout<<GridLogMessage << "Building random aggregation class"<< std::endl;
|
||||
typedef Aggregation<vSpinColourVector,vTComplex,nbasis> Subspace;
|
||||
Subspace Aggregates(Coarse5d,FGrid,cb);
|
||||
Aggregates.CreateSubspaceRandom(RNG5);
|
||||
|
||||
std::cout<<GridLogMessage << "Called aggregation class"<< std::endl;
|
||||
///////////////////////////////////////////////////
|
||||
// Build little dirac op
|
||||
///////////////////////////////////////////////////
|
||||
std::cout<<GridLogMessage << "Building little Dirac operator"<< std::endl;
|
||||
|
||||
typedef GeneralCoarsenedMatrix<vSpinColourVector,vTComplex,nbasis> LittleDiracOperator;
|
||||
typedef LittleDiracOperator::CoarseVector CoarseVector;
|
||||
|
||||
NextToNearestStencilGeometry5D geom;
|
||||
NextToNearestStencilGeometry5D geom(Coarse5d);
|
||||
LittleDiracOperator LittleDiracOp(geom,FGrid,Coarse5d);
|
||||
LittleDiracOp.CoarsenOperator(HermDefOp,Aggregates);
|
||||
// LittleDiracOp.CoarsenOperator(Diagonal,Aggregates);
|
||||
LittleDiracOperator LittleDiracOpCol(geom,FGrid,Coarse5d);
|
||||
|
||||
std::cout<<GridLogMessage<<"Coarsened operator "<<std::endl;
|
||||
HermOpAdaptor<LatticeFermionD> HOA(HermDefOp);
|
||||
|
||||
int pp=16;
|
||||
// LittleDiracOpCol.CoarsenOperator(HOA,Aggregates);
|
||||
// std::cout << "LittleDiracOp old " << LittleDiracOpCol._A[pp]<<std::endl;
|
||||
LittleDiracOp.CoarsenOperatorColoured(HOA,Aggregates);
|
||||
// std::cout << "LittleDiracOp new " << LittleDiracOp._A[pp]<<std::endl;
|
||||
|
||||
///////////////////////////////////////////////////
|
||||
// Test the operator
|
||||
///////////////////////////////////////////////////
|
||||
CoarseVector c_src (Coarse5d);
|
||||
CoarseVector c_res (Coarse5d);
|
||||
CoarseVector c_res_dag(Coarse5d);
|
||||
CoarseVector c_proj(Coarse5d);
|
||||
|
||||
subspace=Aggregates.subspace;
|
||||
|
||||
Complex one(1.0);
|
||||
c_src = one; // 1 in every element for vector 1.
|
||||
Coordinate coor(5,0);
|
||||
|
||||
// std::cout << "c_src"<< c_src<< std::endl;
|
||||
// random(CRNG,c_src);
|
||||
c_src = 1.0;
|
||||
|
||||
blockPromote(c_src,err,subspace);
|
||||
|
||||
prom=Zero();
|
||||
@ -232,25 +173,23 @@ int main (int argc, char ** argv)
|
||||
std::cout<<GridLogMessage<<"c_src "<<norm2(c_src)<<std::endl;
|
||||
std::cout<<GridLogMessage<<"prom "<<norm2(prom)<<std::endl;
|
||||
|
||||
// blockPick(Coarse5d,c_src,c_src,coor);
|
||||
// blockPromote(c_src,prom,subspace);
|
||||
HermDefOp.HermOp(prom,tmp);
|
||||
|
||||
// Diagonal.HermOp(prom,tmp);
|
||||
HermDefOp.Op(prom,tmp);
|
||||
// HermDefOp.Op(prom,tmp);
|
||||
blockProject(c_proj,tmp,subspace);
|
||||
std::cout<<GridLogMessage<<" Called Big Dirac Op "<<norm2(tmp)<<std::endl;
|
||||
|
||||
LittleDiracOp.M(c_src,c_res);
|
||||
std::cout<<GridLogMessage<<" Called Little Dirac Op c_src "<< norm2(c_src) << " c_res "<< norm2(c_res) <<std::endl;
|
||||
LittleDiracOp.Mdag(c_src,c_res_dag);
|
||||
|
||||
std::cout<<GridLogMessage<<"Little dop : "<<norm2(c_res)<<std::endl;
|
||||
// std::cout<<GridLogMessage<<" Little "<< c_res<<std::endl;
|
||||
std::cout<<GridLogMessage<<"Little dop dag : "<<norm2(c_res_dag)<<std::endl;
|
||||
std::cout<<GridLogMessage<<"Big dop in subspace : "<<norm2(c_proj)<<std::endl;
|
||||
// std::cout<<GridLogMessage<<" Big "<< c_proj<<std::endl;
|
||||
|
||||
c_proj = c_proj - c_res;
|
||||
std::cout<<GridLogMessage<<" ldop error: "<<norm2(c_proj)<<std::endl;
|
||||
// std::cout<<GridLogMessage<<" error "<< c_proj<<std::endl;
|
||||
|
||||
c_res_dag = c_res_dag - c_res;
|
||||
std::cout<<GridLogMessage<<"Little dopDag - dop: "<<norm2(c_res_dag)<<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage << "Testing Hermiticity stochastically "<< std::endl;
|
||||
CoarseVector phi(Coarse5d);
|
||||
@ -264,8 +203,10 @@ int main (int argc, char ** argv)
|
||||
std::cout<<GridLogMessage<<"Made randoms "<<norm2(phi)<<" " << norm2(chi)<<std::endl;
|
||||
|
||||
LittleDiracOp.M(phi,Aphi);
|
||||
|
||||
LittleDiracOp.Mdag(chi,Achi);
|
||||
std::cout<<GridLogMessage<<"Aphi "<<norm2(Aphi)<<" Adag chi" << norm2(Achi)<<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<<"Aphi "<<norm2(Aphi)<<" A chi" << norm2(Achi)<<std::endl;
|
||||
|
||||
ComplexD pAc = innerProduct(chi,Aphi);
|
||||
ComplexD cAp = innerProduct(phi,Achi);
|
||||
@ -273,7 +214,6 @@ int main (int argc, char ** argv)
|
||||
ComplexD pAp = innerProduct(phi,Aphi);
|
||||
|
||||
std::cout<<GridLogMessage<< "pAc "<<pAc<<" cAp "<< cAp<< " diff "<<pAc-adj(cAp)<<std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<< "pAp "<<pAp<<" cAc "<< cAc<<"Should be real"<< std::endl;
|
||||
|
||||
std::cout<<GridLogMessage<<"Testing linearity"<<std::endl;
|
||||
@ -292,35 +232,7 @@ int main (int argc, char ** argv)
|
||||
std::cout<<GridLogMessage<<"*******************************************"<<std::endl;
|
||||
std::cout<<GridLogMessage<<"*******************************************"<<std::endl;
|
||||
std::cout<<GridLogMessage<<"*******************************************"<<std::endl;
|
||||
std::cout<<GridLogMessage<<std::endl;
|
||||
std::cout<<GridLogMessage<<std::endl;
|
||||
|
||||
PVdagMLinearOperator<DomainWallFermionD,LatticeFermionD> PVdagM(Ddwf,Dpv);
|
||||
HermOpAdaptor<LatticeFermionD> HOA(PVdagM);
|
||||
|
||||
// Run power method on HOA??
|
||||
PowerMethod<LatticeFermion> PM; PM(HOA,src);
|
||||
|
||||
// Warning: This routine calls PVdagM.Op, not PVdagM.HermOp
|
||||
Subspace AggregatesPD(Coarse5d,FGrid,cb);
|
||||
AggregatesPD.CreateSubspaceChebyshev(RNG5,
|
||||
HOA,
|
||||
nbasis,
|
||||
5000.0,
|
||||
0.02,
|
||||
100,
|
||||
50,
|
||||
50,
|
||||
0.0);
|
||||
|
||||
LittleDiracOperator LittleDiracOpPV(geom,FGrid,Coarse5d);
|
||||
LittleDiracOpPV.CoarsenOperator(PVdagM,AggregatesPD);
|
||||
|
||||
std::cout<<GridLogMessage<<std::endl;
|
||||
std::cout<<GridLogMessage<<"*******************************************"<<std::endl;
|
||||
std::cout<<GridLogMessage<<std::endl;
|
||||
std::cout<<GridLogMessage << "Done "<< std::endl;
|
||||
|
||||
Grid_finalize();
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user