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

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This commit is contained in:
Azusa Yamaguchi 2015-12-09 12:48:44 +00:00
commit a32a59fc43
24 changed files with 406 additions and 221 deletions
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2
benchmarks/Benchmark_dwf.cc
View File

@ -82,7 +82,7 @@ int main (int argc, char ** argv)
DomainWallFermionR Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
std::cout<<GridLogMessage << "Calling Dw"<<std::endl;
int ncall=100;
int ncall=10000;
{
double t0=usecond();
for(int i=0;i<ncall;i++){

3
lib/Config.h.in
View File

@ -137,9 +137,6 @@
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION

1
lib/Init.cc
View File

@ -17,7 +17,6 @@
#define __X86_64
#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif

36
lib/PerfCount.h
View File

@ -5,22 +5,29 @@
#include <ctime>
#include <chrono>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/syscall.h>
#include <linux/perf_event.h>
#include <sys/ioctl.h>
#ifdef __linux__
#include <syscall.h>
#include <linux/perf_event.h>
#else
#include <sys/syscall.h>
#endif
namespace Grid {
#ifdef __linux__
static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid,
int cpu, int group_fd, unsigned long flags)
{
int ret;
int ret=0;
ret = syscall(__NR_perf_event_open, hw_event, pid, cpu,
group_fd, flags);
return ret;
}
#endif
class PerformanceCounter {
@ -63,7 +70,6 @@ public:
int PCT;
struct perf_event_attr pe;
long long count;
int fd;
uint64_t elapsed;
@ -74,15 +80,19 @@ public:
}
PerformanceCounter(int _pct) {
#ifdef __linux__
assert(_pct>=0);
assert(_pct<PERFORMANCE_COUNTER_NUM_TYPES);
fd=-1;
count=0;
PCT =_pct;
Open();
#endif
}
void Open(void)
{
#ifdef __linux__
struct perf_event_attr pe;
memset(&pe, 0, sizeof(struct perf_event_attr));
pe.size = sizeof(struct perf_event_attr);
@ -99,32 +109,48 @@ public:
fprintf(stderr, "Error opening leader %llx for event %s\n", pe.config,name);
perror("Error is");
}
#endif
}
void Start(void)
{
#ifdef __linux__
if ( fd!= -1) {
ioctl(fd, PERF_EVENT_IOC_RESET, 0);
ioctl(fd, PERF_EVENT_IOC_ENABLE, 0);
}
begin =__rdtsc();
#else
begin = 0;
#endif
}
void Stop(void) {
count=0;
#ifdef __linux__
if ( fd!= -1) {
ioctl(fd, PERF_EVENT_IOC_DISABLE, 0);
::read(fd, &count, sizeof(long long));
}
elapsed = __rdtsc() - begin;
#else
elapsed = 0;
#endif
}
void Report(void) {
#ifdef __linux__
printf("%llu cycles %s = %20llu\n", elapsed , PerformanceCounterConfigs[PCT].name, count);
#else
printf("%llu cycles \n", elapsed );
#endif
}
~PerformanceCounter()
{
#ifdef __linux__
close(fd);
#endif
}
};

2
lib/Threads.h
View File

@ -44,7 +44,7 @@ class GridThread {
};
static void SetMaxThreads(void) {
#ifdef GRID_OMP
setenv("KMP_AFFINITY","balanced",1);
// setenv("KMP_AFFINITY","balanced",1);
_threads = omp_get_max_threads();
omp_set_num_threads(_threads);
#else

3
lib/algorithms/CoarsenedMatrix.h
View File

@ -264,6 +264,9 @@ PARALLEL_FOR_LOOP
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];

1
lib/algorithms/approx/Chebyshev.h
View File

@ -166,7 +166,6 @@ namespace Grid {
Field *Tn = &T1;
Field *Tnp = &T2;
std::cout<<GridLogMessage << "Chebyshev ["<<lo<<","<<hi<<"]"<< " order "<<order <<std::endl;
// Tn=T1 = (xscale M + mscale)in
RealD xscale = 2.0/(hi-lo);
RealD mscale = -(hi+lo)/(hi-lo);

3
lib/algorithms/iterative/DenseMatrix.h
View File

@ -25,6 +25,9 @@ template<class T> void SizeSquare(DenseMatrix<T> & mat, int &N)
assert(N==M);
}
template<class T> void Resize(DenseVector<T > & mat, int N) {
mat.resize(N);
}
template<class T> void Resize(DenseMatrix<T > & mat, int N, int M) {
mat.resize(N);
for(int i=0;i<N;i++){

75
lib/algorithms/iterative/ImplicitlyRestartedLanczos.h
View File

@ -1,4 +1,3 @@
#if 0
#ifndef GRID_IRL_H
#define GRID_IRL_H
@ -18,8 +17,9 @@ template<class Field>
const RealD small = 1.0e-16;
public:
int lock;
int converged;
int get;
int Niter;
int converged;
int Nk; // Number of converged sought
int Np; // Np -- Number of spare vecs in kryloc space
@ -59,6 +59,7 @@ public:
// Sanity checked this routine (step) against Saad.
/////////////////////////
void RitzMatrix(DenseVector<Field>& evec,int k){
if(1) return;
GridBase *grid = evec[0]._grid;
@ -451,8 +452,9 @@ until convergence
std::cout << " -- Nconv = "<< Nconv << "\n";
}
/////////////////////////////////////////////////
// Adapted from Rudy's lanczos factor routine
/////////////////////////////////////////////////
int Lanczos_Factor(int start, int end, int cont,
DenseVector<Field> & bq,
Field &bf,
@ -546,10 +548,16 @@ until convergence
std::cout << "alpha = " << alpha << " fnorm = " << fnorm << '\n';
///Iterative refinement of orthogonality V = [ bq[0] bq[1] ... bq[M] ]
#if 0
int re = 0;
// FIXME undefined params; how set in Rudy's code
int ref =0;
Real rho = 1.0e-8;
while( re == ref || (sqbt < rho * bck && re < 5) ){
Field tmp2(grid);
Field tmp1(grid);
//bex = V^dag bf
DenseVector<ComplexD> bex(j+1);
for(int k=0;k<j+1;k++){
@ -566,14 +574,14 @@ until convergence
//bf = bf - V V^dag bf. Subtracting off any component in span { V[j] }
RealD btc = axpy_norm(bf,-1.0,tmp2,bf);
alpha = alpha + bex[j]; sqbt = sqrt(real(btc));
alpha = alpha + real(bex[j]); sqbt = sqrt(real(btc));
// FIXME is alpha real in RUDY's code?
RealD nmbex = 0;for(int k=0;k<j+1;k++){nmbex = nmbex + real( conjugate(bex[k])*bex[k] );}
bck = sqrt( nmbex );
re++;
}
std::cout << "Iteratively refined orthogonality, changes alpha\n";
if(re > 1) std::cout << "orthagonality refined " << re << " times" <<std::endl;
#endif
H[j][j]=alpha;
}
@ -641,7 +649,7 @@ until convergence
int M=Nm;
DenseMatrix<RealD> H; Resize(H,Nm,Nm);
Resize(evals,Nm,Nm);
Resize(evals,Nm);
Resize(evecs,Nm);
int ff = Lanczos_Factor(0, M, cont, bq,bf,H); // 0--M to begin with
@ -702,7 +710,6 @@ until convergence
RealD beta;
Householder_vector<RealD>(ck, 0, 2, v, beta);
Householder_mult<RealD>(H,v,beta,0,lock_num+0,lock_num+2,0);
Householder_mult<RealD>(H,v,beta,0,lock_num+0,lock_num+2,1);
///Accumulate eigenvector
@ -758,11 +765,11 @@ until convergence
RealD resid_nrm= norm2(bf);
if(!lock) converged = 0;
#if 0
for(int i = SS - lock_num - 1; i >= SS - Nk && i >= 0; --i){
RealD diff = 0;
diff = abs(tevecs[i][Nm - 1 - lock_num]) * resid_nrm;
diff = abs( tevecs[i][Nm - 1 - lock_num] ) * resid_nrm;
std::cout << "residual estimate " << SS-1-i << " " << diff << " of (" << tevals[i] << ")" << std::endl;
@ -785,53 +792,29 @@ until convergence
break;
}
}
#endif
std::cout << "Got " << converged << " so far " <<std::endl;
}
#if 0
///Check
void Check(void) {
DenseVector<RealD> goodval(get);
///Check
void Check(DenseVector<RealD> &evals,
DenseVector<DenseVector<RealD> > &evecs) {
DenseVector<RealD> goodval(this->get);
EigenSort(evals,evecs);
int NM = Nm;
int Nget = this->get;
S **V;
V = new S* [NM];
RealD *QZ;
QZ = new RealD [NM*NM];
DenseVector< DenseVector<RealD> > V; Size(V,NM);
DenseVector<RealD> QZ(NM*NM);
for(int i = 0; i < NM; i++){
for(int j = 0; j < NM; j++){
QZ[i*NM+j] = this->evecs[i][j];
int f_size_cb = 24*dop.cbLs*dop.node_cbvol;
for(int cb = this->prec; cb < 2; cb++){
for(int i = 0; i < NM; i++){
V[i] = (S*)(this->bq[i][cb]);
const int m0 = 4 * 4; // this is new code
assert(m0 % 16 == 0); // see the reason in VtimesQ.C
const int row_per_thread = f_size_cb / (bfmarg::threads);
{
{
DenseVector<RealD> vrow_tmp0(m0*NM);
DenseVector<RealD> vrow_tmp1(m0*NM);
RealD *row_tmp0 = vrow_tmp0.data();
RealD *row_tmp1 = vrow_tmp1.data();
VtimesQ(QZ, NM, V, row_tmp0, row_tmp1, id * row_per_thread, m0, (id + 1) * row_per_thread);
}
}
}
}
// evecs[i][j];
}
}
}
#endif
/**
@ -1020,4 +1003,4 @@ static void Lock(DenseMatrix<T> &H, ///Hess mtx
}
#endif
#endif

11
lib/lattice/Lattice_unary.h
View File

@ -24,6 +24,17 @@ PARALLEL_FOR_LOOP
return ret;
}
template<class obj> Lattice<obj> div(const Lattice<obj> &rhs,Integer y){
Lattice<obj> ret(rhs._grid);
ret.checkerboard = rhs.checkerboard;
conformable(ret,rhs);
PARALLEL_FOR_LOOP
for(int ss=0;ss<rhs._grid->oSites();ss++){
ret._odata[ss]=div(rhs._odata[ss],y);
}
return ret;
}
template<class obj> Lattice<obj> expMat(const Lattice<obj> &rhs, ComplexD alpha, Integer Nexp = DEFAULT_MAT_EXP){
Lattice<obj> ret(rhs._grid);
ret.checkerboard = rhs.checkerboard;

51
lib/qcd/action/fermion/WilsonFermion5D.cc
View File

@ -266,11 +266,8 @@ void WilsonFermion5D<Impl>::DhopInternal(StencilImpl & st, LebesgueOrder &lo,
if( this->HandOptDslash ) {
#pragma omp parallel for schedule(static)
for(int ss=0;ss<U._grid->oSites();ss++){
int sU=ss;
for(int s=0;s<Ls;s++){
int sU=ss;
if ( LebesgueOrder::UseLebesgueOrder ) {
sU=lo.Reorder(ss);
}
int sF = s+Ls*sU;
Kernels::DiracOptHandDhopSiteDag(st,U,comm_buf,sF,sU,in,out);
}
@ -323,52 +320,42 @@ PARALLEL_FOR_LOOP
// Counter.Report();
// }
} else if( this->HandOptDslash ) {
/*
#pragma omp parallel for
#pragma omp parallel for schedule(static)
for(int t=0;t<threads;t++){
int hyperthread = t%HT;
int core = t/HT;
int sswork, swork,soff, sU,sF;
sswork = (nwork + cores-1)/cores;
int sswork, swork,soff,ssoff, sU,sF;
GridThread::GetWork(nwork,core,sswork,ssoff,cores);
GridThread::GetWork(Ls , hyperthread, swork, soff,HT);
for(int ss=0;ss<sswork;ss++){
sU=ss+core*sswork; // max locality within an L2 slice
if ( LebesgueOrder::UseLebesgueOrder ) {
sU = lo.Reorder(sU);
sU=ss+ ssoff;
for(int s=soff;s<soff+swork;s++){
sF = s+Ls*sU;
Kernels::DiracOptHandDhopSite(st,U,comm_buf,sF,sU,in,out);
}
if ( sU < nwork ) {
for(int s=soff;s<soff+swork;s++){
sF = s+Ls*sU;
Kernels::DiracOptHandDhopSite(st,U,comm_buf,sF,sU,in,out);
}
}
}
}
/*
#pragma omp parallel for schedule(static)
for(int ss=0;ss<U._grid->oSites();ss++){
for(int s=0;s<Ls;s++){
int sU=ss;
if ( LebesgueOrder::UseLebesgueOrder ) {
sU=lo.Reorder(ss);
}
int sF = s+Ls*sU;
Kernels::DiracOptHandDhopSite(st,U,comm_buf,sF,sU,in,out);
}
}
*/
#pragma omp parallel for schedule(static)
for(int ss=0;ss<U._grid->oSites();ss++){
int sU=ss;
for(int s=0;s<Ls;s++){
int sF = s+Ls*sU;
Kernels::DiracOptHandDhopSite(st,U,comm_buf,sF,sU,in,out);
}
}
} else {
PARALLEL_FOR_LOOP
for(int ss=0;ss<U._grid->oSites();ss++){
int sU=ss;
for(int s=0;s<Ls;s++){
// int sU=lo.Reorder(ss);
int sU=ss;
int sF = s+Ls*sU;
Kernels::DiracOptDhopSite(st,U,comm_buf,sF,sU,in,out);
}

2
lib/qcd/action/fermion/WilsonKernels.h
View File

@ -29,7 +29,7 @@ namespace Grid {
std::vector<SiteHalfSpinor,alignedAllocator<SiteHalfSpinor> > &buf,
int sF,int sU,const FermionField &in, FermionField &out,int dirdisp,int gamma);
#if defined(AVX512) || defined(IMCI)
void DiracOptAsmDhopSite(CartesianStencil &st,DoubledGaugeField &U,
void DiracOptAsmDhopSite(StencilImpl &st,DoubledGaugeField &U,
std::vector<SiteHalfSpinor,alignedAllocator<SiteHalfSpinor> > &buf,
int sF,int sU,const FermionField &in, FermionField &out,uint64_t *);
#else

16
lib/serialisation/BinaryIO.cc
View File

@ -1,15 +1,14 @@
#include <Grid.h>
using namespace Grid;
using namespace std;
namespace Grid {
// Writer implementation ///////////////////////////////////////////////////////
BinaryWriter::BinaryWriter(const string &fileName)
: file_(fileName, ios::binary|ios::out)
BinaryWriter::BinaryWriter(const std::string &fileName)
: file_(fileName, std::ios::binary|std::ios::out)
{}
template <>
void BinaryWriter::writeDefault(const string &s, const string &output)
void BinaryWriter::writeDefault(const std::string &s, const std::string &output)
{
uint64_t sz = output.size();
@ -21,12 +20,12 @@ void BinaryWriter::writeDefault(const string &s, const string &output)
}
// Reader implementation ///////////////////////////////////////////////////////
BinaryReader::BinaryReader(const string &fileName)
: file_(fileName, ios::binary|ios::in)
BinaryReader::BinaryReader(const std::string &fileName)
: file_(fileName, std::ios::binary|std::ios::in)
{}
template <>
void BinaryReader::readDefault(const string &s, string &output)
void BinaryReader::readDefault(const std::string &s, std::string &output)
{
uint64_t sz;
@ -34,3 +33,4 @@ void BinaryReader::readDefault(const string &s, string &output)
output.reserve(sz);
file_.read((char *)output.data(), sz);
}
}

25
lib/serialisation/TextIO.cc
View File

@ -1,14 +1,12 @@
#include <Grid.h>
using namespace Grid;
using namespace std;
namespace Grid {
// Writer implementation ///////////////////////////////////////////////////////
TextWriter::TextWriter(const string &fileName)
: file_(fileName, ios::out)
TextWriter::TextWriter(const std::string &fileName)
: file_(fileName, std::ios::out)
{}
void TextWriter::push(const string &s)
void TextWriter::push(const std::string &s)
{
level_++;
};
@ -27,11 +25,11 @@ void TextWriter::indent(void)
};
// Reader implementation ///////////////////////////////////////////////////////
TextReader::TextReader(const string &fileName)
: file_(fileName, ios::in)
TextReader::TextReader(const std::string &fileName)
: file_(fileName, std::ios::in)
{}
void TextReader::push(const string &s)
void TextReader::push(const std::string &s)
{
level_++;
};
@ -50,17 +48,18 @@ void TextReader::checkIndent(void)
file_.get(c);
if (c != '\t')
{
cerr << "mismatch on tab " << c << " level " << level_;
cerr << " i "<< i <<endl;
abort();
std::cerr << "mismatch on tab " << c << " level " << level_;
std::cerr << " i "<< i <<std::endl;
std::abort();
}
}
}
template <>
void TextReader::readDefault(const string &s, string &output)
void TextReader::readDefault(const std::string &s, std::string &output)
{
checkIndent();
output.clear();
getline(file_, output);
}
}

21
lib/serialisation/XmlIO.cc
View File

@ -1,10 +1,8 @@
#include <Grid.h>
using namespace Grid;
using namespace std;
namespace Grid {
// Writer implementation ///////////////////////////////////////////////////////
XmlWriter::XmlWriter(const string &fileName)
XmlWriter::XmlWriter(const std::string &fileName)
: fileName_(fileName)
{
node_ = doc_.append_child();
@ -16,7 +14,7 @@ XmlWriter::~XmlWriter(void)
doc_.save_file(fileName_.c_str(), " ");
}
void XmlWriter::push(const string &s)
void XmlWriter::push(const std::string &s)
{
node_ = node_.append_child(s.c_str());
}
@ -27,22 +25,22 @@ void XmlWriter::pop(void)
}
// Reader implementation ///////////////////////////////////////////////////////
XmlReader::XmlReader(const string &fileName)
XmlReader::XmlReader(const std::string &fileName)
: fileName_(fileName)
{
pugi::xml_parse_result result = doc_.load_file(fileName_.c_str());
if ( !result )
{
cerr << "XML error description: " << result.description() << "\n";
cerr << "XML error offset : " << result.offset << "\n";
abort();
std::cerr << "XML error description: " << result.description() << "\n";
std::cerr << "XML error offset : " << result.offset << "\n";
std::abort();
}
node_ = doc_.child("grid");
}
void XmlReader::push(const string &s)
void XmlReader::push(const std::string &s)
{
node_ = node_.child(s.c_str());
}
@ -53,7 +51,8 @@ void XmlReader::pop(void)
}
template <>
void XmlReader::readDefault(const string &s, string &output)
void XmlReader::readDefault(const std::string &s, std::string &output)
{
output = node_.child(s.c_str()).first_child().value();
}
}

1
lib/serialisation/XmlIO.h
View File

@ -96,6 +96,7 @@ namespace Grid
node_.child("elem").set_name("elem-done");
i++;
}
// assert( is.tellg()==-1);
pop();
}

12
lib/simd/Grid_vector_unops.h
View File

@ -67,6 +67,14 @@ namespace Grid {
}
};
template<class scalar> struct DivIntFunctor {
Integer y;
DivIntFunctor(Integer _y) : y(_y) {};
scalar operator()(const scalar &a) const {
return Integer(a)/y;
}
};
template<class scalar> struct RealFunctor {
scalar operator()(const scalar &a) const {
return real(a);
@ -131,6 +139,10 @@ namespace Grid {
inline Grid_simd<S,V> mod(const Grid_simd<S,V> &r,Integer y) {
return SimdApply(ModIntFunctor<S>(y),r);
}
template < class S, class V >
inline Grid_simd<S,V> div(const Grid_simd<S,V> &r,Integer y) {
return SimdApply(DivIntFunctor<S>(y),r);
}
////////////////////////////////////////////////////////////////////////////
// Allows us to assign into **conformable** real vectors from complex
////////////////////////////////////////////////////////////////////////////

2
lib/tensors/Tensor_unary.h
View File

@ -111,7 +111,7 @@ template<class obj,int N> inline auto toComplex(const iMatrix<obj,N> &z) -> type
return ret;
}
BINARY_RSCALAR(div,Integer);
BINARY_RSCALAR(mod,Integer);
BINARY_RSCALAR(pow,RealD);

2
scripts/configure-commands
View File

@ -59,7 +59,7 @@ clang-avx2)
CXX=clang++ ../../configure --enable-simd=AVX2 CXXFLAGS="-mavx2 -mfma -O3 -std=c++11" LIBS="-lgmp -lmpfr" --enable-comms=none
;;
clang-avx-openmp)
CXX=clang-omp++ ../../configure --enable-simd=AVX CXXFLAGS="-mavx -fopenmp -O3 -std=c++11" LDFLAGS="-fopenmp" LIBS="-lgmp -lmpfr" --enable-comms=none
CXX=clang-omp++ ../../configure --enable-precision=double --enable-simd=AVX CXXFLAGS="-mavx -fopenmp -O3 -std=c++11" LDFLAGS="-fopenmp" LIBS="-lgmp -lmpfr" --enable-comms=none
;;
clang-xc30)
CXX=$HOME/Clang/install/bin/clang++ ../../configure --enable-simd=AVX CXXFLAGS="-mavx -O3 -std=c++11 -I/opt/gcc/4.9.2/snos/include/g++/x86_64-suse-linux/ -I/opt/gcc/4.9.2/snos/include/g++/ " LDFLAGS="" LIBS="-lgmp -lmpfr" --enable-comms=none

1
tests/Make.inc
View File

@ -1,5 +1,6 @@
bin_PROGRAMS = Test_GaugeAction Test_cayley_cg Test_cayley_coarsen_support Test_cayley_even_odd Test_cayley_ldop_cr Test_cf_coarsen_support Test_cf_cr_unprec Test_cheby Test_contfrac_cg Test_contfrac_even_odd Test_contfrac_force Test_cshift Test_cshift_red_black Test_dwf_cg_prec Test_dwf_cg_schur Test_dwf_cg_unprec Test_dwf_cr_unprec Test_dwf_even_odd Test_dwf_force Test_dwf_fpgcr Test_dwf_hdcr Test_gamma Test_hmc_EODWFRatio Test_hmc_EOWilsonFermionGauge Test_hmc_EOWilsonRatio Test_hmc_WilsonFermionGauge Test_hmc_WilsonGauge Test_hmc_WilsonRatio Test_lie_generators Test_main Test_multishift_sqrt Test_nersc_io Test_partfrac_force Test_quenched_update Test_remez Test_rhmc_EOWilson1p1 Test_rhmc_EOWilsonRatio Test_rhmc_Wilson1p1 Test_rhmc_WilsonRatio Test_rng Test_rng_fixed Test_serialisation Test_simd Test_stencil Test_wilson_cg_prec Test_wilson_cg_schur Test_wilson_cg_unprec Test_wilson_cr_unprec Test_wilson_even_odd Test_wilson_force Test_wilson_force_phiMdagMphi Test_wilson_force_phiMphi Test_RectPlaq
Test_GaugeAction_SOURCES=Test_GaugeAction.cc
Test_GaugeAction_LDADD=-lGrid

16
tests/Test_cheby.cc
View File

@ -57,5 +57,21 @@ int main (int argc, char ** argv)
ChebyStep.csv(of);
}
lo=-8;
hi=8;
Chebyshev<LatticeFermion> ChebyIndefInv(lo,hi,40,InverseApproximation);
{
std::ofstream of("chebyindefinv");
ChebyIndefInv.csv(of);
}
lo=0;
hi=64;
Chebyshev<LatticeFermion> ChebyNE(lo,hi,40,InverseApproximation);
{
std::ofstream of("chebyNE");
ChebyNE.csv(of);
}
Grid_finalize();
}

317
tests/Test_dwf_hdcr.cc
View File

@ -6,6 +6,22 @@ using namespace std;
using namespace Grid;
using namespace Grid::QCD;
class myclass: Serializable {
public:
GRID_DECL_CLASS_MEMBERS(myclass,
int, domaindecompose,
int, domainsize,
int, order,
double, lo,
double, hi,
int, steps);
myclass(){};
};
myclass params;
RealD InverseApproximation(RealD x){
return 1.0/x;
}
@ -26,15 +42,21 @@ public:
Aggregates & _Aggregates;
CoarseOperator & _CoarseOperator;
Matrix & _Matrix;
Matrix & _FineMatrix;
FineOperator & _FineOperator;
Matrix & _SmootherMatrix;
FineOperator & _SmootherOperator;
// Constructor
MultiGridPreconditioner(Aggregates &Agg, CoarseOperator &Coarse, FineOperator &Fine,Matrix &FineMatrix)
MultiGridPreconditioner(Aggregates &Agg, CoarseOperator &Coarse,
FineOperator &Fine,Matrix &FineMatrix,
FineOperator &Smooth,Matrix &SmootherMatrix)
: _Aggregates(Agg),
_CoarseOperator(Coarse),
_FineOperator(Fine),
_Matrix(FineMatrix)
_FineMatrix(FineMatrix),
_SmootherOperator(Smooth),
_SmootherMatrix(SmootherMatrix)
{
}
@ -43,7 +65,7 @@ public:
FineField p1(in._grid);
FineField p2(in._grid);
MdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix);
MdagMLinearOperator<Matrix,FineField> fMdagMOp(_FineMatrix);
p1=in;
RealD absp2;
@ -58,74 +80,20 @@ public:
}
}
#if 0
void operator()(const FineField &in, FineField & out) {
FineField Min(in._grid);
FineField tmp(in._grid);
CoarseVector Csrc(_CoarseOperator.Grid());
CoarseVector Ctmp(_CoarseOperator.Grid());
CoarseVector Csol(_CoarseOperator.Grid());
// Monitor completeness of low mode space
_Aggregates.ProjectToSubspace (Csrc,in);
_Aggregates.PromoteFromSubspace(Csrc,out);
std::cout<<GridLogMessage<<"Completeness: "<<std::sqrt(norm2(out)/norm2(in))<<std::endl;
// Build some solvers
ConjugateGradient<FineField> fCG(1.0e-3,1000);
ConjugateGradient<CoarseVector> CG(1.0e-8,100000);
////////////////////////////////////////////////////////////////////////
// ADEF2: [PTM+Q] in = [1 - Q A] M in + Q in = Min + Q [ in -A Min]
////////////////////////////////////////////////////////////////////////
// Smoothing step, followed by coarse grid correction
MdagMLinearOperator<Matrix,FineField> MdagMOp(_Matrix);
Min=in;
std::cout<<GridLogMessage<< " Preconditioner in " << norm2(in)<<std::endl;
_FineOperator.AdjOp(Min,tmp);
std::cout<<GridLogMessage<< " Preconditioner tmp " << norm2(in)<<std::endl;
fCG(MdagMOp,tmp,out);
_FineOperator.Op(out,tmp);
std::cout<<GridLogMessage<< " Preconditioner in " << norm2(in)<<std::endl;
std::cout<<GridLogMessage<< " Preconditioner out " << norm2(out)<<std::endl;
std::cout<<GridLogMessage<< " Preconditioner Aout" << norm2(tmp)<<std::endl;
tmp = tmp - in;
std::cout<<GridLogMessage<<"preconditioner thinks residual is "<<std::sqrt(norm2(tmp)/norm2(in))<<std::endl;
/*
// _FineOperator.Op(Min,out);
// out = in -out; // out = in - A Min
out = in;
MdagMLinearOperator<CoarseOperator,CoarseVector> MdagMOp(_CoarseOperator);
HermitianLinearOperator<CoarseOperator,CoarseVector> HermOp(_CoarseOperator);
Csol=zero;
_Aggregates.ProjectToSubspace (Csrc,out);
HermOp.AdjOp(Csrc,Ctmp);// Normal equations
CG(MdagMOp ,Ctmp,Csol);
_Aggregates.PromoteFromSubspace(Csol,out);
out = Min + out;;
*/
if ( params.domaindecompose ) {
operatorSAP(in,out);
} else {
operatorCheby(in,out);
}
}
#endif
////////////////////////////////////////////////////////////////////////
// ADEF2: [PTM+Q] in = [1 - Q A] M in + Q in = Min + Q [ in -A Min]
// ADEF1: [MP+Q ] in =M [1 - A Q] in + Q in
////////////////////////////////////////////////////////////////////////
#if 0
void operator()(const FineField &in, FineField & out) {
#if 1
void operatorADEF2(const FineField &in, FineField & out) {
CoarseVector Csrc(_CoarseOperator.Grid());
CoarseVector Ctmp(_CoarseOperator.Grid());
@ -136,7 +104,7 @@ public:
HermitianLinearOperator<CoarseOperator,CoarseVector> HermOp(_CoarseOperator);
MdagMLinearOperator<CoarseOperator,CoarseVector> MdagMOp(_CoarseOperator);
MdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix);
MdagMLinearOperator<Matrix,FineField> fMdagMOp(_FineMatrix);
FineField tmp(in._grid);
FineField res(in._grid);
@ -189,8 +157,8 @@ public:
}
#endif
// ADEF1: [MP+Q ] in =M [1 - A Q] in + Q in
#if 0
void operator()(const FineField &in, FineField & out) {
#if 1
void operatorADEF1(const FineField &in, FineField & out) {
CoarseVector Csrc(_CoarseOperator.Grid());
CoarseVector Ctmp(_CoarseOperator.Grid());
@ -201,7 +169,7 @@ public:
HermitianLinearOperator<CoarseOperator,CoarseVector> HermOp(_CoarseOperator);
MdagMLinearOperator<CoarseOperator,CoarseVector> MdagMOp(_CoarseOperator);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix,0.1);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_FineMatrix,0.1);
FineField tmp(in._grid);
FineField res(in._grid);
@ -234,14 +202,79 @@ public:
}
#endif
void SAP (const FineField & src,FineField & psi){
Lattice<iScalar<vInteger> > coor(src._grid);
Lattice<iScalar<vInteger> > subset(src._grid);
FineField r(src._grid);
FineField zz(src._grid); zz=zero;
FineField vec1(src._grid);
FineField vec2(src._grid);
const Integer block=params.domainsize;
subset=zero;
for(int mu=0;mu<Nd;mu++){
LatticeCoordinate(coor,mu+1);
coor = div(coor,block);
subset = subset+coor;
}
subset = mod(subset,(Integer)2);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_SmootherMatrix,0.0);
Chebyshev<FineField> Cheby (params.lo,params.hi,params.order,InverseApproximation);
RealD resid;
for(int i=0;i<params.steps;i++){
// Even domain residual
_FineOperator.Op(psi,vec1);// this is the G5 herm bit
r= src - vec1 ;
resid = norm2(r) /norm2(src);
std::cout << "SAP "<<i<<" resid "<<resid<<std::endl;
// Npoly*outer*2 1/2 vol matmuls.
// 71 iters => 20*71 = 1400 matmuls.
// 2*71 = 140 comms.
// Even domain solve
r= where(subset==(Integer)0,r,zz);
_SmootherOperator.AdjOp(r,vec1);
Cheby(fMdagMOp,vec1,vec2); // solves MdagM = g5 M g5M
psi = psi + vec2;
// Odd domain residual
_FineOperator.Op(psi,vec1);// this is the G5 herm bit
r= src - vec1 ;
r= where(subset==(Integer)1,r,zz);
resid = norm2(r) /norm2(src);
std::cout << "SAP "<<i<<" resid "<<resid<<std::endl;
// Odd domain solve
_SmootherOperator.AdjOp(r,vec1);
Cheby(fMdagMOp,vec1,vec2); // solves MdagM = g5 M g5M
psi = psi + vec2;
_FineOperator.Op(psi,vec1);// this is the G5 herm bit
r= src - vec1 ;
resid = norm2(r) /norm2(src);
std::cout << "SAP "<<i<<" resid "<<resid<<std::endl;
}
};
void SmootherTest (const FineField & in){
FineField vec1(in._grid);
FineField vec2(in._grid);
RealD lo[3] = { 0.5, 1.0, 2.0};
// MdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix,0.5);
// MdagMLinearOperator<Matrix,FineField> fMdagMOp(_FineMatrix);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_SmootherMatrix,0.0);
RealD Ni,r;
@ -250,7 +283,7 @@ public:
for(int ilo=0;ilo<3;ilo++){
for(int ord=5;ord<50;ord*=2){
_FineOperator.AdjOp(in,vec1);
_SmootherOperator.AdjOp(in,vec1);
Chebyshev<FineField> Cheby (lo[ilo],70.0,ord,InverseApproximation);
Cheby(fMdagMOp,vec1,vec2); // solves MdagM = g5 M g5M
@ -264,7 +297,7 @@ public:
}
}
void operator()(const FineField &in, FineField & out) {
void operatorCheby(const FineField &in, FineField & out) {
CoarseVector Csrc(_CoarseOperator.Grid());
CoarseVector Ctmp(_CoarseOperator.Grid());
@ -275,18 +308,18 @@ public:
HermitianLinearOperator<CoarseOperator,CoarseVector> HermOp(_CoarseOperator);
MdagMLinearOperator<CoarseOperator,CoarseVector> MdagMOp(_CoarseOperator);
// MdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_Matrix,0.0);
// MdagMLinearOperator<Matrix,FineField> fMdagMOp(_FineMatrix);
ShiftedMdagMLinearOperator<Matrix,FineField> fMdagMOp(_SmootherMatrix,0.0);
FineField vec1(in._grid);
FineField vec2(in._grid);
// Chebyshev<FineField> Cheby (0.5,70.0,30,InverseApproximation);
// Chebyshev<FineField> ChebyAccu(0.5,70.0,30,InverseApproximation);
Chebyshev<FineField> Cheby (2.0,70.0,10,InverseApproximation);
Chebyshev<FineField> ChebyAccu(2.0,70.0,10,InverseApproximation);
Cheby.JacksonSmooth();
ChebyAccu.JacksonSmooth();
Chebyshev<FineField> Cheby (2.0,70.0,15,InverseApproximation);
Chebyshev<FineField> ChebyAccu(2.0,70.0,15,InverseApproximation);
// Cheby.JacksonSmooth();
// ChebyAccu.JacksonSmooth();
_Aggregates.ProjectToSubspace (Csrc,in);
_Aggregates.PromoteFromSubspace(Csrc,out);
@ -305,7 +338,7 @@ public:
RealD Ni = norm2(in);
_FineOperator.AdjOp(in,vec1);// this is the G5 herm bit
_SmootherOperator.AdjOp(in,vec1);// this is the G5 herm bit
ChebyAccu(fMdagMOp,vec1,out); // solves MdagM = g5 M g5M
std::cout<<GridLogMessage << "Smoother norm "<<norm2(out)<<std::endl;
@ -334,23 +367,89 @@ public:
std::cout<<GridLogMessage << "Coarse resid "<<std::sqrt(r/Ni)<<std::endl;
// Reapply smoother
_FineOperator.Op(vec1,vec2); // this is the G5 herm bit
_SmootherOperator.Op(vec1,vec2); // this is the G5 herm bit
ChebyAccu(fMdagMOp,vec2,vec1); // solves MdagM = g5 M g5M
out =out+vec1;
_FineOperator.Op(out,vec1);// this is the G5 herm bit
vec1 = in - vec1; // tmp = in - A Min
r=norm2(vec1);
std::cout<<GridLogMessage << "Smoother resid "<<std::sqrt(r/Ni)<<std::endl;
}
void operatorSAP(const FineField &in, FineField & out) {
CoarseVector Csrc(_CoarseOperator.Grid());
CoarseVector Ctmp(_CoarseOperator.Grid());
CoarseVector Csol(_CoarseOperator.Grid()); Csol=zero;
ConjugateGradient<CoarseVector> CG(1.0e-3,100000);
HermitianLinearOperator<CoarseOperator,CoarseVector> HermOp(_CoarseOperator);
MdagMLinearOperator<CoarseOperator,CoarseVector> MdagMOp(_CoarseOperator);
FineField vec1(in._grid);
FineField vec2(in._grid);
_Aggregates.ProjectToSubspace (Csrc,in);
_Aggregates.PromoteFromSubspace(Csrc,out);
std::cout<<GridLogMessage<<"Completeness: "<<std::sqrt(norm2(out)/norm2(in))<<std::endl;
// To make a working smoother for indefinite operator
// must multiply by "Mdag" (ouch loses all low mode content)
// and apply to poly approx of (mdagm)^-1.
// so that we end up with an odd polynomial.
SAP(in,out);
// Update with residual for out
_FineOperator.Op(out,vec1);// this is the G5 herm bit
vec1 = in - vec1; // tmp = in - A Min
RealD r = norm2(vec1);
RealD Ni = norm2(in);
std::cout<<GridLogMessage << "SAP resid "<<std::sqrt(r/Ni)<< " " << r << " " << Ni <<std::endl;
_Aggregates.ProjectToSubspace (Csrc,vec1);
HermOp.AdjOp(Csrc,Ctmp);// Normal equations
CG(MdagMOp,Ctmp,Csol);
_Aggregates.PromoteFromSubspace(Csol,vec1); // Ass^{-1} [in - A Min]_s
// Q = Q[in - A Min]
out = out+vec1;
// Three preconditioner smoothing -- hermitian if C3 = C1
// Recompute error
_FineOperator.Op(out,vec1);// this is the G5 herm bit
vec1 = in - vec1; // tmp = in - A Min
r=norm2(vec1);
std::cout<<GridLogMessage << "Coarse resid "<<std::sqrt(r/Ni)<<std::endl;
// Reapply smoother
SAP(vec1,vec2);
out =out+vec2;
// Update with residual for out
_FineOperator.Op(out,vec1);// this is the G5 herm bit
vec1 = in - vec1; // tmp = in - A Min
r = norm2(vec1);
Ni = norm2(in);
std::cout<<GridLogMessage << "SAP resid(post) "<<std::sqrt(r/Ni)<< " " << r << " " << Ni <<std::endl;
}
};
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
XmlReader RD("params.xml");
read(RD,"params",params);
std::cout<<"Params: Order "<<params.order<<"["<<params.lo<<","<<params.hi<<"]"<< " steps "<<params.steps<<std::endl;
const int Ls=8;
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
@ -385,11 +484,27 @@ int main (int argc, char ** argv)
LatticeFermion tmp(FGrid);
LatticeFermion err(FGrid);
LatticeGaugeField Umu(UGrid);
LatticeGaugeField UmuDD(UGrid);
LatticeColourMatrix U(UGrid);
LatticeColourMatrix zz(UGrid);
NerscField header;
std::string file("./ckpoint_lat.4000");
NerscIO::readConfiguration(Umu,header,file);
if ( params.domaindecompose ) {
Lattice<iScalar<vInteger> > coor(UGrid);
zz=zero;
for(int mu=0;mu<Nd;mu++){
LatticeCoordinate(coor,mu);
U = PeekIndex<LorentzIndex>(Umu,mu);
U = where(mod(coor,params.domainsize)==(Integer)0,zz,U);
PokeIndex<LorentzIndex>(UmuDD,U,mu);
}
} else {
UmuDD = Umu;
}
// SU3::ColdConfiguration(RNG4,Umu);
// SU3::TepidConfiguration(RNG4,Umu);
// SU3::HotConfiguration(RNG4,Umu);
@ -402,6 +517,7 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "Building g5R5 hermitian DWF operator" <<std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
DomainWallFermionR Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
DomainWallFermionR DdwfDD(UmuDD,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
const int nbasis = 32;
// const int nbasis = 4;
@ -438,6 +554,7 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "Building coarse representation of Indef operator" <<std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
Gamma5R5HermitianLinearOperator<DomainWallFermionR,LatticeFermion> HermIndefOp(Ddwf);
Gamma5R5HermitianLinearOperator<DomainWallFermionR,LatticeFermion> HermIndefOpDD(DdwfDD);
CoarsenedMatrix<vSpinColourVector,vTComplex,nbasis> LDOp(*Coarse5d);
LDOp.CoarsenOperator(FGrid,HermIndefOp,Aggregates);
@ -467,7 +584,13 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "Building deflation preconditioner "<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
MultiGridPreconditioner <vSpinColourVector,vTComplex,nbasis,DomainWallFermionR> Precon(Aggregates, LDOp,HermIndefOp,Ddwf);
MultiGridPreconditioner <vSpinColourVector,vTComplex,nbasis,DomainWallFermionR> Precon (Aggregates, LDOp,
HermIndefOp,Ddwf,
HermIndefOp,Ddwf);
MultiGridPreconditioner <vSpinColourVector,vTComplex,nbasis,DomainWallFermionR> PreconDD(Aggregates, LDOp,
HermIndefOp,Ddwf,
HermIndefOpDD,DdwfDD);
TrivialPrecon<LatticeFermion> simple;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
@ -475,9 +598,20 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
Precon.SmootherTest(src);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Testing DD smoother efficacy"<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
PreconDD.SmootherTest(src);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Testing SAP smoother efficacy"<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
PreconDD.SAP(src,result);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Unprec CG "<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
// TrivialPrecon<LatticeFermion> simple;
// ConjugateGradient<LatticeFermion> fCG(1.0e-8,100000);
// fCG(HermDefOp,src,result);
@ -496,12 +630,22 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
Precon.PowerMethod(src);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Building a two level DDPGCR "<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
PrecGeneralisedConjugateResidual<LatticeFermion> PGCRDD(1.0e-8,100000,PreconDD,8,128);
result=zero;
std::cout<<GridLogMessage<<"checking norm src "<<norm2(src)<<std::endl;
PGCRDD(HermIndefOp,src,result);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Building a two level PGCR "<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
PrecGeneralisedConjugateResidual<LatticeFermion> PGCR(1.0e-8,100000,Precon,8,128);
std::cout<<GridLogMessage<<"checking norm src "<<norm2(src)<<std::endl;
PGCR(HermIndefOp,src,result);
// PrecGeneralisedConjugateResidual<LatticeFermion> PGCR(1.0e-8,100000,Precon,8,128);
// std::cout<<GridLogMessage<<"checking norm src "<<norm2(src)<<std::endl;
// result=zero;
// PGCR(HermIndefOp,src,result);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Red Black Prec CG "<< std::endl;
@ -516,6 +660,7 @@ int main (int argc, char ** argv)
pCG(HermOpEO,src_o,result_o);
std::cout<<GridLogMessage << "**************************************************"<< std::endl;
std::cout<<GridLogMessage << "Done "<< std::endl;
std::cout<<GridLogMessage << "**************************************************"<< std::endl;

7
tests/Test_stencil.cc
View File

@ -52,6 +52,7 @@ int main (int argc, char ** argv)
}
*/
typedef CartesianStencil<vobj,vobj,SimpleCompressor<vobj> > Stencil;
for(int dir=0;dir<4;dir++){
for(int disp=0;disp<Fine._fdimensions[dir];disp++){
@ -61,7 +62,7 @@ int main (int argc, char ** argv)
std::vector<int> directions(npoint,dir);
std::vector<int> displacements(npoint,disp);
CartesianStencil myStencil(&Fine,npoint,0,directions,displacements);
Stencil myStencil(&Fine,npoint,0,directions,displacements);
std::vector<int> ocoor(4);
for(int o=0;o<Fine.oSites();o++){
@ -142,8 +143,8 @@ int main (int argc, char ** argv)
std::vector<int> directions(npoint,dir);
std::vector<int> displacements(npoint,disp);
CartesianStencil EStencil(&rbFine,npoint,Even,directions,displacements);
CartesianStencil OStencil(&rbFine,npoint,Odd,directions,displacements);
Stencil EStencil(&rbFine,npoint,Even,directions,displacements);
Stencil OStencil(&rbFine,npoint,Odd,directions,displacements);
std::vector<int> ocoor(4);
for(int o=0;o<Fine.oSites();o++){

17
tests/Test_synthetic_lanczos.cc
View File

@ -8,6 +8,7 @@ using namespace Grid::QCD;
static int
FEenableexcept (unsigned int excepts)
{
#if 0
static fenv_t fenv;
unsigned int new_excepts = excepts & FE_ALL_EXCEPT,
old_excepts; // previous masks
@ -20,6 +21,9 @@ FEenableexcept (unsigned int excepts)
fenv.__mxcsr &= ~(new_excepts << 7);
return ( fesetenv (&fenv) ? -1 : old_excepts );
#else
return 0;
#endif
}
@ -35,7 +39,7 @@ public:
random(pRNG,scale);
scale = exp(-real(scale)*6.0);
scale = exp(-real(scale)*3.0);
std::cout << " True matrix \n"<< scale <<std::endl;
}
@ -70,7 +74,7 @@ public:
int main (int argc, char ** argv)
{
FEenableexcept(FE_ALL_EXCEPT & ~FE_INEXACT);
// FEenableexcept(FE_ALL_EXCEPT & ~FE_INEXACT);
Grid_init(&argc,&argv);
@ -88,8 +92,7 @@ int main (int argc, char ** argv)
RealD mu = 0.0;
int order = 11;
ChebyshevLanczos<LatticeComplex> Cheby(alpha,beta,mu,order);
std::ofstream file("pooh.dat");
std::ofstream file("cheby.dat");
Cheby.csv(file);
HermOpOperatorFunction<LatticeComplex> X;
@ -114,9 +117,9 @@ int main (int argc, char ** argv)
}
{
std::vector<RealD> eval(Nm);
std::vector<LatticeComplex> evec(Nm,grid);
ChebyIRL.calc(eval,evec,src, Nconv);
// std::vector<RealD> eval(Nm);
// std::vector<LatticeComplex> evec(Nm,grid);
// ChebyIRL.calc(eval,evec,src, Nconv);
}
Grid_finalize();