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Various precision options

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This commit is contained in:
Peter Boyle 2022-09-27 10:57:12 -04:00
parent af9ecb8b41
commit 25df2d2c3b
1 changed files with 62 additions and 51 deletions
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113
benchmarks/Benchmark_dwf_fp32.cc
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@ -123,26 +123,44 @@ void Benchmark(int Ls, Coordinate Dirichlet)
long unsigned int single_site_flops = 8*Nc*(7+16*Nc); long unsigned int single_site_flops = 8*Nc*(7+16*Nc);
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplexF::Nsimd()),GridDefaultMpi()); std::vector<int> seeds4({1,2,3,4});
std::vector<int> seeds5({5,6,7,8});
#define DOUBLE
#ifdef SINGLE
typedef vComplexF Simd;
typedef LatticeFermionF FermionField;
typedef LatticeGaugeFieldF GaugeField;
typedef LatticeColourMatrixF ColourMatrixField;
typedef DomainWallFermionF FermionAction;
#endif
#ifdef DOUBLE
typedef vComplexD Simd;
typedef LatticeFermionD FermionField;
typedef LatticeGaugeFieldD GaugeField;
typedef LatticeColourMatrixD ColourMatrixField;
typedef DomainWallFermionD FermionAction;
#endif
#ifdef DOUBLE2
typedef vComplexD2 Simd;
typedef LatticeFermionD2 FermionField;
typedef LatticeGaugeFieldD2 GaugeField;
typedef LatticeColourMatrixD2 ColourMatrixField;
typedef DomainWallFermionD2 FermionAction;
#endif
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);
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"));
LatticeFermionF src (FGrid); random(RNG5,src);
FermionField src (FGrid); random(RNG5,src);
#if 0 #if 0
src = Zero(); src = Zero();
{ {
@ -158,14 +176,14 @@ void Benchmark(int Ls, Coordinate Dirichlet)
src = src*N2; src = src*N2;
#endif #endif
LatticeFermionF result(FGrid); result=Zero(); FermionField result(FGrid); result=Zero();
LatticeFermionF ref(FGrid); ref=Zero(); FermionField ref(FGrid); ref=Zero();
LatticeFermionF tmp(FGrid); FermionField tmp(FGrid);
LatticeFermionF err(FGrid); FermionField err(FGrid);
std::cout << GridLogMessage << "Drawing gauge field" << std::endl; std::cout << GridLogMessage << "Drawing gauge field" << std::endl;
LatticeGaugeFieldF Umu(UGrid); GaugeField Umu(UGrid);
LatticeGaugeFieldF UmuCopy(UGrid); GaugeField UmuCopy(UGrid);
SU<Nc>::HotConfiguration(RNG4,Umu); SU<Nc>::HotConfiguration(RNG4,Umu);
UmuCopy=Umu; UmuCopy=Umu;
std::cout << GridLogMessage << "Random gauge initialised " << std::endl; std::cout << GridLogMessage << "Random gauge initialised " << std::endl;
@ -179,13 +197,13 @@ void Benchmark(int Ls, Coordinate Dirichlet)
std::cout << GridLogMessage << "Applying BCs for Dirichlet Block5 " << Dirichlet << std::endl; 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 << "Applying BCs for Dirichlet Block4 " << Block << std::endl;
DirichletFilter<LatticeGaugeFieldF> Filter(Block); DirichletFilter<GaugeField> Filter(Block);
Filter.applyFilter(Umu); Filter.applyFilter(Umu);
//////////////////////////////////// ////////////////////////////////////
// Naive wilson implementation // Naive wilson implementation
//////////////////////////////////// ////////////////////////////////////
std::vector<LatticeColourMatrixF> U(4,UGrid); std::vector<ColourMatrixField> U(4,UGrid);
for(int mu=0;mu<Nd;mu++){ for(int mu=0;mu<Nd;mu++){
U[mu] = PeekIndex<LorentzIndex>(Umu,mu); U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
} }
@ -236,10 +254,8 @@ void Benchmark(int Ls, Coordinate Dirichlet)
std::cout << GridLogMessage<< "*****************************************************************" <<std::endl; std::cout << GridLogMessage<< "*****************************************************************" <<std::endl;
std::cout << GridLogMessage<< "*****************************************************************" <<std::endl; std::cout << GridLogMessage<< "*****************************************************************" <<std::endl;
std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionR::Dhop "<<std::endl; std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionR::Dhop "<<std::endl;
std::cout << GridLogMessage<< "* Vectorising space-time by "<<vComplexF::Nsimd()<<std::endl; std::cout << GridLogMessage<< "* Vectorising space-time by "<<Simd::Nsimd()<<std::endl;
std::cout << GridLogMessage<< "* VComplexF size is "<<sizeof(vComplexF)<< " B"<<std::endl; std::cout << GridLogMessage<< "* VComplex size is "<<sizeof(Simd)<< " B"<<std::endl;
if ( sizeof(RealF)==4 ) std::cout << GridLogMessage<< "* SINGLE precision "<<std::endl;
if ( sizeof(RealF)==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;
@ -249,13 +265,14 @@ void Benchmark(int Ls, Coordinate Dirichlet)
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;
DomainWallFermionF::ImplParams p; FermionAction::ImplParams p;
p.dirichlet=Dirichlet; p.dirichlet=Dirichlet;
DomainWallFermionF Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,p); FermionAction Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,p);
Dw.ImportGauge(Umu); Dw.ImportGauge(Umu);
int ncall =300; int ncall =300;
RealD n2e;
if (1) { if (1) {
FGrid->Barrier(); FGrid->Barrier();
Dw.Dhop(src,result,0); Dw.Dhop(src,result,0);
@ -270,8 +287,8 @@ void Benchmark(int Ls, Coordinate Dirichlet)
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.);
@ -283,17 +300,16 @@ void Benchmark(int Ls, Coordinate Dirichlet)
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);
std::cout<<GridLogMessage << "norm diff "<< n2e<< " Line "<<__LINE__ <<std::endl;
if(( norm2(err)>1.0e-4) ) { if(( n2e>1.0e-4) ) {
std::cout<<GridLogMessage << "WRONG RESULT" << std::endl; std::cout<<GridLogMessage << "WRONG RESULT" << std::endl;
FGrid->Barrier(); FGrid->Barrier();
exit(-1); exit(-1);
} }
assert (norm2(err)< 1.0e-4 ); assert (n2e< 1.0e-4 );
} }
if (1) if (1)
@ -348,14 +364,16 @@ void Benchmark(int Ls, Coordinate Dirichlet)
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);
assert((norm2(err)<1.0e-4)); std::cout<<GridLogMessage << "norm dag diff "<< n2e<< " Line "<<__LINE__ <<std::endl;
assert((n2e)<1.0e-4);
LatticeFermionF src_e (FrbGrid); FermionField src_e (FrbGrid);
LatticeFermionF src_o (FrbGrid); FermionField src_o (FrbGrid);
LatticeFermionF r_e (FrbGrid); FermionField r_e (FrbGrid);
LatticeFermionF r_o (FrbGrid); FermionField r_o (FrbGrid);
LatticeFermionF r_eo (FGrid); 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);
@ -367,10 +385,8 @@ void Benchmark(int Ls, Coordinate Dirichlet)
// 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 DomainWallFermionF::DhopEO "<<std::endl; std::cout << GridLogMessage<< "* Benchmarking DomainWallFermion::DhopEO "<<std::endl;
std::cout << GridLogMessage<< "* Vectorising space-time by "<<vComplexF::Nsimd()<<std::endl; std::cout << GridLogMessage<< "* Vectorising space-time by "<<Simd::Nsimd()<<std::endl;
if ( sizeof(RealF)==4 ) std::cout << GridLogMessage<< "* SINGLE precision "<<std::endl;
if ( sizeof(RealF)==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;
@ -384,13 +400,7 @@ void Benchmark(int Ls, Coordinate Dirichlet)
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();
@ -414,8 +424,9 @@ void Benchmark(int Ls, Coordinate Dirichlet)
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);
assert(norm2(err)<1.0e-4); std::cout<<GridLogMessage << "norm diff "<< n2e<< " Line "<<__LINE__ <<std::endl;
assert(n2e<1.0e-4);
pickCheckerboard(Even,src_e,err); pickCheckerboard(Even,src_e,err);
pickCheckerboard(Odd,src_o,err); pickCheckerboard(Odd,src_o,err);