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Update for new stencil compression options

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This commit is contained in:
Peter Boyle
2025-06-17 18:06:19 +02:00
parent 9d6a38c44c
commit 7aa06329d0
2 changed files with 226 additions and 250 deletions
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150
benchmarks/Benchmark_comms.cc
View File

@ -166,18 +166,18 @@ int main (int argc, char ** argv)
} }
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
std::cout<<GridLogMessage << "= Benchmarking concurrent STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl; std::cout<<GridLogMessage << "= Benchmarking sequential STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl; std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
header(); header();
for(int lat=8;lat<=maxlat;lat+=4){ for(int lat=8;lat<=maxlat;lat+=4){
for(int Ls=8;Ls<=8;Ls*=2){ for(int Ls=8;Ls<=8;Ls*=2){
Coordinate latt_size ({lat*mpi_layout[0], Coordinate latt_size ({lat*mpi_layout[0],
lat*mpi_layout[1], lat*mpi_layout[1],
lat*mpi_layout[2], lat*mpi_layout[2],
lat*mpi_layout[3]}); lat*mpi_layout[3]});
GridCartesian Grid(latt_size,simd_layout,mpi_layout); GridCartesian Grid(latt_size,simd_layout,mpi_layout);
RealD Nrank = Grid._Nprocessors; RealD Nrank = Grid._Nprocessors;
@ -193,101 +193,6 @@ int main (int argc, char ** argv)
rbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(bytes); rbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(bytes);
} }
int ncomm;
double dbytes;
for(int i=0;i<Nloop;i++){
double start=usecond();
dbytes=0;
ncomm=0;
std::vector<CommsRequest_t> requests;
for(int mu=0;mu<4;mu++){
if (mpi_layout[mu]>1 ) {
ncomm++;
int comm_proc=1;
int xmit_to_rank;
int recv_from_rank;
Grid.ShiftedRanks(mu,comm_proc,xmit_to_rank,recv_from_rank);
dbytes+=
Grid.StencilSendToRecvFromBegin(requests,
(void *)&xbuf[mu][0],
xmit_to_rank,1,
(void *)&rbuf[mu][0],
recv_from_rank,1,
bytes,bytes,mu);
comm_proc = mpi_layout[mu]-1;
Grid.ShiftedRanks(mu,comm_proc,xmit_to_rank,recv_from_rank);
dbytes+=
Grid.StencilSendToRecvFromBegin(requests,
(void *)&xbuf[mu+4][0],
xmit_to_rank,1,
(void *)&rbuf[mu+4][0],
recv_from_rank,1,
bytes,bytes,mu+4);
}
}
Grid.StencilSendToRecvFromComplete(requests,0);
Grid.Barrier();
double stop=usecond();
t_time[i] = stop-start; // microseconds
}
timestat.statistics(t_time);
dbytes=dbytes*ppn;
double xbytes = dbytes*0.5;
// double rbytes = dbytes*0.5;
double bidibytes = dbytes;
std::cout<<GridLogMessage << std::setw(4) << lat<<"\t"<<Ls<<"\t"
<<std::setw(11) << bytes<< std::fixed << std::setprecision(1) << std::setw(7)
<<std::right<< xbytes/timestat.mean<<" "<< xbytes*timestat.err/(timestat.mean*timestat.mean)<< " "
<<xbytes/timestat.max <<" "<< xbytes/timestat.min
<< "\t\t"<<std::setw(7)<< bidibytes/timestat.mean<< " " << bidibytes*timestat.err/(timestat.mean*timestat.mean) << " "
<< bidibytes/timestat.max << " " << bidibytes/timestat.min << std::endl;
}
}
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
std::cout<<GridLogMessage << "= Benchmarking sequential STENCIL halo exchange in "<<nmu<<" dimensions"<<std::endl;
std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
header();
for(int lat=8;lat<=maxlat;lat+=4){
for(int Ls=8;Ls<=8;Ls*=2){
Coordinate latt_size ({lat*mpi_layout[0],
lat*mpi_layout[1],
lat*mpi_layout[2],
lat*mpi_layout[3]});
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
RealD Nrank = Grid._Nprocessors;
RealD Nnode = Grid.NodeCount();
RealD ppn = Nrank/Nnode;
std::vector<HalfSpinColourVectorD *> xbuf(8);
std::vector<HalfSpinColourVectorD *> rbuf(8);
Grid.ShmBufferFreeAll();
uint64_t bytes=lat*lat*lat*Ls*sizeof(HalfSpinColourVectorD);
for(int d=0;d<8;d++){
xbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(bytes);
rbuf[d] = (HalfSpinColourVectorD *)Grid.ShmBufferMalloc(bytes);
}
int ncomm; int ncomm;
double dbytes; double dbytes;
for(int i=0;i<Nloop;i++){ for(int i=0;i<Nloop;i++){
@ -296,45 +201,34 @@ int main (int argc, char ** argv)
std::vector<CommsRequest_t> requests; std::vector<CommsRequest_t> requests;
dbytes=0; dbytes=0;
ncomm=0; ncomm=0;
for(int mu=0;mu<4;mu++){
for(int dir=0;dir<8;dir++) {
double tbytes;
int mu =dir % 4;
if (mpi_layout[mu]>1 ) { if (mpi_layout[mu]>1 ) {
ncomm++; ncomm++;
int comm_proc=1;
int xmit_to_rank; int xmit_to_rank;
int recv_from_rank; int recv_from_rank;
if ( dir == mu ) {
int comm_proc=1;
Grid.ShiftedRanks(mu,comm_proc,xmit_to_rank,recv_from_rank);
} else {
int comm_proc = mpi_layout[mu]-1;
Grid.ShiftedRanks(mu,comm_proc,xmit_to_rank,recv_from_rank);
}
int tid = omp_get_thread_num();
tbytes= Grid.StencilSendToRecvFrom((void *)&xbuf[dir][0], xmit_to_rank,1,
(void *)&rbuf[dir][0], recv_from_rank,1, bytes,tid);
Grid.ShiftedRanks(mu,comm_proc,xmit_to_rank,recv_from_rank); dbytes+=tbytes;
dbytes+=
Grid.StencilSendToRecvFromBegin(requests,
(void *)&xbuf[mu][0],
xmit_to_rank,1,
(void *)&rbuf[mu][0],
recv_from_rank,1,
bytes,bytes,mu);
Grid.StencilSendToRecvFromComplete(requests,mu);
requests.resize(0);
comm_proc = mpi_layout[mu]-1;
Grid.ShiftedRanks(mu,comm_proc,xmit_to_rank,recv_from_rank);
dbytes+=
Grid.StencilSendToRecvFromBegin(requests,
(void *)&xbuf[mu+4][0],
xmit_to_rank,1,
(void *)&rbuf[mu+4][0],
recv_from_rank,1,
bytes,bytes,mu+4);
Grid.StencilSendToRecvFromComplete(requests,mu+4);
requests.resize(0);
} }
} }
Grid.Barrier(); Grid.Barrier();
double stop=usecond(); double stop=usecond();
t_time[i] = stop-start; // microseconds t_time[i] = stop-start; // microseconds
} }
timestat.statistics(t_time); timestat.statistics(t_time);

318
benchmarks/Benchmark_dwf.cc
View File

@ -32,18 +32,18 @@
using namespace std; using namespace std;
using namespace Grid; using namespace Grid;
template<class d> ////////////////////////
struct scal { /// Move to domains ////
d internal; ////////////////////////
Gamma::Algebra Gmu [] = {
Gamma::Algebra::GammaX,
Gamma::Algebra::GammaY,
Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT
}; };
Gamma::Algebra Gmu [] = { void Benchmark(int Ls, Coordinate Dirichlet,bool Sloppy);
Gamma::Algebra::GammaX,
Gamma::Algebra::GammaY,
Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT
};
int main (int argc, char ** argv) int main (int argc, char ** argv)
{ {
@ -52,39 +52,108 @@ int main (int argc, char ** argv)
int threads = GridThread::GetThreads(); int threads = GridThread::GetThreads();
Coordinate latt4 = GridDefaultLatt(); int Ls=16;
int Ls=8; for(int i=0;i<argc;i++) {
for(int i=0;i<argc;i++)
if(std::string(argv[i]) == "-Ls"){ if(std::string(argv[i]) == "-Ls"){
std::stringstream ss(argv[i+1]); ss >> Ls; std::stringstream ss(argv[i+1]); ss >> Ls;
} }
}
//////////////////
// With comms
//////////////////
Coordinate Dirichlet(Nd+1,0);
std::cout << "\n\n\n\n\n\n" <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
std::cout << GridLogMessage<< " Testing with full communication " <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
Benchmark(Ls,Dirichlet,false);
std::cout << "\n\n\n\n\n\n" <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
std::cout << GridLogMessage<< " Testing with sloppy communication " <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
Benchmark(Ls,Dirichlet,true);
//////////////////
// Domain decomposed
//////////////////
/*
Coordinate latt4 = GridDefaultLatt();
Coordinate mpi = GridDefaultMpi();
Coordinate CommDim(Nd);
Coordinate shm;
GlobalSharedMemory::GetShmDims(mpi,shm);
std::cout << "\n\n\n\n\n\n" <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
// std::cout << GridLogMessage<< " Testing without internode communication " <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
for(int d=0;d<Nd;d++) CommDim[d]= (mpi[d]/shm[d])>1 ? 1 : 0;
Dirichlet[0] = 0;
Dirichlet[1] = CommDim[0]*latt4[0]/mpi[0] * shm[0];
Dirichlet[2] = CommDim[1]*latt4[1]/mpi[1] * shm[1];
Dirichlet[3] = CommDim[2]*latt4[2]/mpi[2] * shm[2];
Dirichlet[4] = CommDim[3]*latt4[3]/mpi[3] * shm[3];
Benchmark(Ls,Dirichlet,false);
std::cout << "\n\n\n\n\n\n" <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
std::cout << GridLogMessage<< " Testing with sloppy communication " <<std::endl;
std::cout << GridLogMessage<< "++++++++++++++++++++++++++++++++++++++++++++++++" <<std::endl;
for(int d=0;d<Nd;d++) CommDim[d]= mpi[d]>1 ? 1 : 0;
Benchmark(Ls,Dirichlet,true);
*/
Grid_finalize();
exit(0);
}
void Benchmark(int Ls, Coordinate Dirichlet,bool sloppy)
{
Coordinate latt4 = GridDefaultLatt();
GridLogLayout(); GridLogLayout();
long unsigned int single_site_flops = 8*Nc*(7+16*Nc); long unsigned int single_site_flops = 8*Nc*(7+16*Nc);
std::vector<int> seeds4({1,2,3,4});
std::vector<int> seeds5({5,6,7,8});
#undef SINGLE
#ifdef SINGLE
typedef vComplexF Simd;
typedef LatticeFermionF FermionField;
typedef LatticeGaugeFieldF GaugeField;
typedef LatticeColourMatrixF ColourMatrixField;
typedef DomainWallFermionF FermionAction;
#else
typedef vComplexD Simd;
typedef LatticeFermionD FermionField;
typedef LatticeGaugeFieldD GaugeField;
typedef LatticeColourMatrixD ColourMatrixField;
typedef DomainWallFermionD FermionAction;
#endif
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi()); GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,Simd::Nsimd()),GridDefaultMpi());
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid); GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid); GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid); GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
std::cout << GridLogMessage << "Making s innermost grids"<<std::endl;
GridCartesian * sUGrid = SpaceTimeGrid::makeFourDimDWFGrid(GridDefaultLatt(),GridDefaultMpi());
GridRedBlackCartesian * sUrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(sUGrid);
GridCartesian * sFGrid = SpaceTimeGrid::makeFiveDimDWFGrid(Ls,UGrid);
GridRedBlackCartesian * sFrbGrid = SpaceTimeGrid::makeFiveDimDWFRedBlackGrid(Ls,UGrid);
std::vector<int> seeds4({1,2,3,4});
std::vector<int> seeds5({5,6,7,8});
std::cout << GridLogMessage << "Initialising 4d RNG" << std::endl; std::cout << GridLogMessage << "Initialising 4d RNG" << std::endl;
GridParallelRNG RNG4(UGrid); RNG4.SeedUniqueString(std::string("The 4D RNG")); GridParallelRNG RNG4(UGrid); RNG4.SeedUniqueString(std::string("The 4D RNG"));
std::cout << GridLogMessage << "Initialising 5d RNG" << std::endl; std::cout << GridLogMessage << "Initialising 5d RNG" << std::endl;
GridParallelRNG RNG5(FGrid); RNG5.SeedUniqueString(std::string("The 5D RNG")); GridParallelRNG RNG5(FGrid); RNG5.SeedUniqueString(std::string("The 5D RNG"));
std::cout << GridLogMessage << "Initialised RNGs" << std::endl;
LatticeFermion src (FGrid); random(RNG5,src);
FermionField src (FGrid); random(RNG5,src);
#if 0 #if 0
src = Zero(); src = Zero();
{ {
@ -100,46 +169,39 @@ int main (int argc, char ** argv)
src = src*N2; src = src*N2;
#endif #endif
FermionField result(FGrid); result=Zero();
LatticeFermion result(FGrid); result=Zero(); FermionField ref(FGrid); ref=Zero();
LatticeFermion ref(FGrid); ref=Zero(); FermionField tmp(FGrid);
LatticeFermion tmp(FGrid); FermionField err(FGrid);
LatticeFermion err(FGrid);
std::cout << GridLogMessage << "Drawing gauge field" << std::endl; std::cout << GridLogMessage << "Drawing gauge field" << std::endl;
LatticeGaugeField Umu(UGrid); GaugeField Umu(UGrid);
GaugeField UmuCopy(UGrid);
SU<Nc>::HotConfiguration(RNG4,Umu); SU<Nc>::HotConfiguration(RNG4,Umu);
// SU<Nc>::ColdConfiguration(Umu);
UmuCopy=Umu;
std::cout << GridLogMessage << "Random gauge initialised " << std::endl; std::cout << GridLogMessage << "Random gauge initialised " << std::endl;
#if 0
Umu=1.0; ////////////////////////////////////
for(int mu=0;mu<Nd;mu++){ // Apply BCs
LatticeColourMatrix ttmp(UGrid); ////////////////////////////////////
ttmp = PeekIndex<LorentzIndex>(Umu,mu); Coordinate Block(4);
// if (mu !=2 ) ttmp = 0; for(int d=0;d<4;d++) Block[d]= Dirichlet[d+1];
// ttmp = ttmp* pow(10.0,mu);
PokeIndex<LorentzIndex>(Umu,ttmp,mu); std::cout << GridLogMessage << "Applying BCs for Dirichlet Block5 " << Dirichlet << std::endl;
} std::cout << GridLogMessage << "Applying BCs for Dirichlet Block4 " << Block << std::endl;
std::cout << GridLogMessage << "Forced to diagonal " << std::endl;
#endif DirichletFilter<GaugeField> Filter(Block);
Filter.applyFilter(Umu);
//////////////////////////////////// ////////////////////////////////////
// Naive wilson implementation // Naive wilson implementation
//////////////////////////////////// ////////////////////////////////////
// replicate across fifth dimension std::vector<ColourMatrixField> U(4,UGrid);
LatticeGaugeField Umu5d(FGrid);
std::vector<LatticeColourMatrix> U(4,FGrid);
{
autoView( Umu5d_v, Umu5d, CpuWrite);
autoView( Umu_v , Umu , CpuRead);
for(int ss=0;ss<Umu.Grid()->oSites();ss++){
for(int s=0;s<Ls;s++){
Umu5d_v[Ls*ss+s] = Umu_v[ss];
}
}
}
for(int mu=0;mu<Nd;mu++){ for(int mu=0;mu<Nd;mu++){
U[mu] = PeekIndex<LorentzIndex>(Umu5d,mu); U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
} }
std::cout << GridLogMessage << "Setting up Cshift based reference " << std::endl; std::cout << GridLogMessage << "Setting up Cshift based reference " << std::endl;
if (1) if (1)
@ -147,10 +209,28 @@ int main (int argc, char ** argv)
ref = Zero(); ref = Zero();
for(int mu=0;mu<Nd;mu++){ for(int mu=0;mu<Nd;mu++){
tmp = U[mu]*Cshift(src,mu+1,1); tmp = Cshift(src,mu+1,1);
{
autoView( tmp_v , tmp , CpuWrite);
autoView( U_v , U[mu] , CpuRead);
for(int ss=0;ss<U[mu].Grid()->oSites();ss++){
for(int s=0;s<Ls;s++){
tmp_v[Ls*ss+s] = U_v[ss]*tmp_v[Ls*ss+s];
}
}
}
ref=ref + tmp - Gamma(Gmu[mu])*tmp; ref=ref + tmp - Gamma(Gmu[mu])*tmp;
tmp =adj(U[mu])*src; {
autoView( tmp_v , tmp , CpuWrite);
autoView( U_v , U[mu] , CpuRead);
autoView( src_v, src , CpuRead);
for(int ss=0;ss<U[mu].Grid()->oSites();ss++){
for(int s=0;s<Ls;s++){
tmp_v[Ls*ss+s] = adj(U_v[ss])*src_v[Ls*ss+s];
}
}
}
tmp =Cshift(tmp,mu+1,-1); tmp =Cshift(tmp,mu+1,-1);
ref=ref + tmp + Gamma(Gmu[mu])*tmp; ref=ref + tmp + Gamma(Gmu[mu])*tmp;
} }
@ -167,11 +247,9 @@ int main (int argc, char ** argv)
std::cout << GridLogMessage<< "* Kernel options --dslash-generic, --dslash-unroll, --dslash-asm" <<std::endl; std::cout << GridLogMessage<< "* Kernel options --dslash-generic, --dslash-unroll, --dslash-asm" <<std::endl;
std::cout << GridLogMessage<< "*****************************************************************" <<std::endl; std::cout << GridLogMessage<< "*****************************************************************" <<std::endl;
std::cout << GridLogMessage<< "*****************************************************************" <<std::endl; std::cout << GridLogMessage<< "*****************************************************************" <<std::endl;
std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionD::Dhop "<<std::endl; std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionR::Dhop "<<std::endl;
std::cout << GridLogMessage<< "* Vectorising space-time by "<<vComplex::Nsimd()<<std::endl; std::cout << GridLogMessage<< "* Vectorising space-time by "<<Simd::Nsimd()<<std::endl;
std::cout << GridLogMessage<< "* VComplex size is "<<sizeof(vComplex)<< " B"<<std::endl; std::cout << GridLogMessage<< "* VComplex size is "<<sizeof(Simd)<< " B"<<std::endl;
if ( sizeof(Real)==4 ) std::cout << GridLogMessage<< "* SINGLE precision "<<std::endl;
if ( sizeof(Real)==8 ) std::cout << GridLogMessage<< "* DOUBLE precision "<<std::endl;
#ifdef GRID_OMP #ifdef GRID_OMP
if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute ) std::cout << GridLogMessage<< "* Using Overlapped Comms/Compute" <<std::endl; if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute ) std::cout << GridLogMessage<< "* Using Overlapped Comms/Compute" <<std::endl;
if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsThenCompute) std::cout << GridLogMessage<< "* Using sequential comms compute" <<std::endl; if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsThenCompute) std::cout << GridLogMessage<< "* Using sequential comms compute" <<std::endl;
@ -181,8 +259,14 @@ int main (int argc, char ** argv)
if ( WilsonKernelsStatic::Opt == WilsonKernelsStatic::OptInlineAsm ) std::cout << GridLogMessage<< "* Using Asm Nc=3 WilsonKernels" <<std::endl; if ( WilsonKernelsStatic::Opt == WilsonKernelsStatic::OptInlineAsm ) std::cout << GridLogMessage<< "* Using Asm Nc=3 WilsonKernels" <<std::endl;
std::cout << GridLogMessage<< "*****************************************************************" <<std::endl; std::cout << GridLogMessage<< "*****************************************************************" <<std::endl;
DomainWallFermionD Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5); FermionAction::ImplParams p;
int ncall =1000; p.dirichlet=Dirichlet;
FermionAction Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,p);
Dw.SloppyComms(sloppy);
Dw.ImportGauge(Umu);
int ncall =300;
RealD n2e;
if (1) { if (1) {
FGrid->Barrier(); FGrid->Barrier();
@ -198,8 +282,8 @@ int main (int argc, char ** argv)
double volume=Ls; for(int mu=0;mu<Nd;mu++) volume=volume*latt4[mu]; double volume=Ls; for(int mu=0;mu<Nd;mu++) volume=volume*latt4[mu];
double flops=single_site_flops*volume*ncall; double flops=single_site_flops*volume*ncall;
auto nsimd = vComplex::Nsimd(); auto nsimd = Simd::Nsimd();
auto simdwidth = sizeof(vComplex); auto simdwidth = sizeof(Simd);
// RF: Nd Wilson * Ls, Nd gauge * Ls, Nc colors // RF: Nd Wilson * Ls, Nd gauge * Ls, Nc colors
double data_rf = volume * ((2*Nd+1)*Nd*Nc + 2*Nd*Nc*Nc) * simdwidth / nsimd * ncall / (1024.*1024.*1024.); double data_rf = volume * ((2*Nd+1)*Nd*Nc + 2*Nd*Nc*Nc) * simdwidth / nsimd * ncall / (1024.*1024.*1024.);
@ -208,28 +292,27 @@ int main (int argc, char ** argv)
double data_mem = (volume * (2*Nd+1)*Nd*Nc + (volume/Ls) *2*Nd*Nc*Nc) * simdwidth / nsimd * ncall / (1024.*1024.*1024.); double data_mem = (volume * (2*Nd+1)*Nd*Nc + (volume/Ls) *2*Nd*Nc*Nc) * simdwidth / nsimd * ncall / (1024.*1024.*1024.);
std::cout<<GridLogMessage << "Called Dw "<<ncall<<" times in "<<t1-t0<<" us"<<std::endl; std::cout<<GridLogMessage << "Called Dw "<<ncall<<" times in "<<t1-t0<<" us"<<std::endl;
// std::cout<<GridLogMessage << "norm result "<< norm2(result)<<std::endl;
// std::cout<<GridLogMessage << "norm ref "<< norm2(ref)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl; std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
std::cout<<GridLogMessage << "mflop/s per rank = "<< flops/(t1-t0)/NP<<std::endl; std::cout<<GridLogMessage << "mflop/s per rank = "<< flops/(t1-t0)/NP<<std::endl;
std::cout<<GridLogMessage << "mflop/s per node = "<< flops/(t1-t0)/NN<<std::endl; std::cout<<GridLogMessage << "mflop/s per node = "<< flops/(t1-t0)/NN<<std::endl;
std::cout<<GridLogMessage << "RF GiB/s (base 2) = "<< 1000000. * data_rf/((t1-t0))<<std::endl;
std::cout<<GridLogMessage << "mem GiB/s (base 2) = "<< 1000000. * data_mem/((t1-t0))<<std::endl;
err = ref-result; err = ref-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl; n2e = norm2(err);
//exit(0); std::cout<<GridLogMessage << "norm diff "<< n2e<< " Line "<<__LINE__ <<std::endl;
if(( norm2(err)>1.0e-4) ) { if(( n2e>1.0e-4) ) {
/*
std::cout << "RESULT\n " << result<<std::endl;
std::cout << "REF \n " << ref <<std::endl;
std::cout << "ERR \n " << err <<std::endl;
*/
std::cout<<GridLogMessage << "WRONG RESULT" << std::endl; std::cout<<GridLogMessage << "WRONG RESULT" << std::endl;
FGrid->Barrier(); FGrid->Barrier();
std::cout<<GridLogMessage << "RESULT" << std::endl;
// std::cout << result<<std::endl;
std::cout << norm2(result)<<std::endl;
std::cout<<GridLogMessage << "REF" << std::endl;
std::cout << norm2(ref)<<std::endl;
std::cout<<GridLogMessage << "ERR" << std::endl;
std::cout << norm2(err)<<std::endl;
FGrid->Barrier();
exit(-1); exit(-1);
} }
assert (norm2(err)< 1.0e-4 ); assert (n2e< 1.0e-4 );
} }
if (1) if (1)
@ -238,16 +321,30 @@ int main (int argc, char ** argv)
for(int mu=0;mu<Nd;mu++){ for(int mu=0;mu<Nd;mu++){
// ref = src - Gamma(Gamma::Algebra::GammaX)* src ; // 1+gamma_x // ref = src - Gamma(Gamma::Algebra::GammaX)* src ; // 1+gamma_x
tmp = U[mu]*Cshift(src,mu+1,1); tmp = Cshift(src,mu+1,1);
{ {
autoView( ref_v, ref, CpuWrite); autoView( ref_v, ref, CpuWrite);
autoView( tmp_v, tmp, CpuRead); autoView( tmp_v, tmp, CpuRead);
for(int i=0;i<ref_v.size();i++){ autoView( U_v , U[mu] , CpuRead);
ref_v[i]+= tmp_v[i] + Gamma(Gmu[mu])*tmp_v[i]; ; for(int ss=0;ss<U[mu].Grid()->oSites();ss++){
for(int s=0;s<Ls;s++){
int i=s+Ls*ss;
ref_v[i]+= U_v[ss]*(tmp_v[i] + Gamma(Gmu[mu])*tmp_v[i]); ;
}
} }
} }
tmp =adj(U[mu])*src; {
autoView( tmp_v , tmp , CpuWrite);
autoView( U_v , U[mu] , CpuRead);
autoView( src_v, src , CpuRead);
for(int ss=0;ss<U[mu].Grid()->oSites();ss++){
for(int s=0;s<Ls;s++){
tmp_v[Ls*ss+s] = adj(U_v[ss])*src_v[Ls*ss+s];
}
}
}
// tmp =adj(U[mu])*src;
tmp =Cshift(tmp,mu+1,-1); tmp =Cshift(tmp,mu+1,-1);
{ {
autoView( ref_v, ref, CpuWrite); autoView( ref_v, ref, CpuWrite);
@ -259,27 +356,27 @@ int main (int argc, char ** argv)
} }
ref = -0.5*ref; ref = -0.5*ref;
} }
// dump=1;
Dw.Dhop(src,result,1); Dw.Dhop(src,result,DaggerYes);
std::cout << GridLogMessage << "----------------------------------------------------------------" << std::endl;
std::cout << GridLogMessage << "Compare to naive wilson implementation Dag to verify correctness" << std::endl; std::cout << GridLogMessage << "Compare to naive wilson implementation Dag to verify correctness" << std::endl;
std::cout << GridLogMessage << "----------------------------------------------------------------" << std::endl;
std::cout<<GridLogMessage << "Called DwDag"<<std::endl; std::cout<<GridLogMessage << "Called DwDag"<<std::endl;
std::cout<<GridLogMessage << "norm dag result "<< norm2(result)<<std::endl; std::cout<<GridLogMessage << "norm dag result "<< norm2(result)<<std::endl;
std::cout<<GridLogMessage << "norm dag ref "<< norm2(ref)<<std::endl; std::cout<<GridLogMessage << "norm dag ref "<< norm2(ref)<<std::endl;
err = ref-result; err = ref-result;
std::cout<<GridLogMessage << "norm dag diff "<< norm2(err)<<std::endl; n2e= norm2(err);
if((norm2(err)>1.0e-4)){ std::cout<<GridLogMessage << "norm dag diff "<< n2e<< " Line "<<__LINE__ <<std::endl;
/*
std::cout<< "DAG RESULT\n " <<ref << std::endl;
std::cout<< "DAG sRESULT\n " <<result << std::endl;
std::cout<< "DAG ERR \n " << err <<std::endl;
*/
}
LatticeFermion src_e (FrbGrid);
LatticeFermion src_o (FrbGrid);
LatticeFermion r_e (FrbGrid);
LatticeFermion r_o (FrbGrid);
LatticeFermion r_eo (FGrid);
assert((n2e)<1.0e-4);
FermionField src_e (FrbGrid);
FermionField src_o (FrbGrid);
FermionField r_e (FrbGrid);
FermionField r_o (FrbGrid);
FermionField r_eo (FGrid);
std::cout<<GridLogMessage << "Calling Deo and Doe and //assert Deo+Doe == Dunprec"<<std::endl; std::cout<<GridLogMessage << "Calling Deo and Doe and //assert Deo+Doe == Dunprec"<<std::endl;
pickCheckerboard(Even,src_e,src); pickCheckerboard(Even,src_e,src);
@ -291,10 +388,8 @@ int main (int argc, char ** argv)
// S-direction is INNERMOST and takes no part in the parity. // S-direction is INNERMOST and takes no part in the parity.
std::cout << GridLogMessage<< "*********************************************************" <<std::endl; std::cout << GridLogMessage<< "*********************************************************" <<std::endl;
std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionD::DhopEO "<<std::endl; std::cout << GridLogMessage<< "* Benchmarking DomainWallFermion::DhopEO "<<std::endl;
std::cout << GridLogMessage<< "* Vectorising space-time by "<<vComplex::Nsimd()<<std::endl; std::cout << GridLogMessage<< "* Vectorising space-time by "<<Simd::Nsimd()<<std::endl;
if ( sizeof(Real)==4 ) std::cout << GridLogMessage<< "* SINGLE precision "<<std::endl;
if ( sizeof(Real)==8 ) std::cout << GridLogMessage<< "* DOUBLE precision "<<std::endl;
#ifdef GRID_OMP #ifdef GRID_OMP
if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute ) std::cout << GridLogMessage<< "* Using Overlapped Comms/Compute" <<std::endl; if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute ) std::cout << GridLogMessage<< "* Using Overlapped Comms/Compute" <<std::endl;
if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsThenCompute) std::cout << GridLogMessage<< "* Using sequential comms compute" <<std::endl; if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsThenCompute) std::cout << GridLogMessage<< "* Using sequential comms compute" <<std::endl;
@ -308,13 +403,7 @@ int main (int argc, char ** argv)
Dw.DhopEO(src_o,r_e,DaggerNo); Dw.DhopEO(src_o,r_e,DaggerNo);
double t0=usecond(); double t0=usecond();
for(int i=0;i<ncall;i++){ for(int i=0;i<ncall;i++){
#ifdef CUDA_PROFILE
if(i==10) cudaProfilerStart();
#endif
Dw.DhopEO(src_o,r_e,DaggerNo); Dw.DhopEO(src_o,r_e,DaggerNo);
#ifdef CUDA_PROFILE
if(i==20) cudaProfilerStop();
#endif
} }
double t1=usecond(); double t1=usecond();
FGrid->Barrier(); FGrid->Barrier();
@ -338,14 +427,9 @@ int main (int argc, char ** argv)
setCheckerboard(r_eo,r_e); setCheckerboard(r_eo,r_e);
err = r_eo-result; err = r_eo-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl; n2e= norm2(err);
if((norm2(err)>1.0e-4)){ std::cout<<GridLogMessage << "norm diff "<< n2e<<std::endl;
/* assert(n2e<1.0e-4);
std::cout<< "Deo RESULT\n " <<r_eo << std::endl;
std::cout<< "Deo REF\n " <<result << std::endl;
std::cout<< "Deo ERR \n " << err <<std::endl;
*/
}
pickCheckerboard(Even,src_e,err); pickCheckerboard(Even,src_e,err);
pickCheckerboard(Odd,src_o,err); pickCheckerboard(Odd,src_o,err);
@ -354,6 +438,4 @@ int main (int argc, char ** argv)
assert(norm2(src_e)<1.0e-4); assert(norm2(src_e)<1.0e-4);
assert(norm2(src_o)<1.0e-4); assert(norm2(src_o)<1.0e-4);
Grid_finalize();
exit(0);
} }