portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-17 23:37:06 +01:00
Code Releases Activity

Merge branch 'develop' into feature/gpu-port

Browse Source
This commit is contained in:
Peter Boyle
2018-12-13 05:11:34 +00:00
parent adbdc4e65b c509bd3fe2
commit b57a4d32aa
647 changed files with 49155 additions and 11160 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
benchmarks/Benchmark_wilson_sweep.cc
View File

@ -58,6 +58,7 @@ int main (int argc, char ** argv)
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<< "* Number of colours "<< Nc <<std::endl;
std::cout << GridLogMessage<< "* Benchmarking WilsonFermionR::Dhop "<<std::endl;
std::cout << GridLogMessage<< "* Vectorising space-time by "<<vComplex::Nsimd()<<std::endl;
if ( sizeof(Real)==4 ) std::cout << GridLogMessage<< "* SINGLE precision "<<std::endl;
@ -65,13 +66,15 @@ int main (int argc, char ** argv)
if ( WilsonKernelsStatic::Opt == WilsonKernelsStatic::OptGeneric ) std::cout << GridLogMessage<< "* Using GENERIC Nc WilsonKernels" <<std::endl;
if ( WilsonKernelsStatic::Opt == WilsonKernelsStatic::OptHandUnroll) std::cout << GridLogMessage<< "* Using Nc=3 WilsonKernels" <<std::endl;
if ( WilsonKernelsStatic::Opt == WilsonKernelsStatic::OptInlineAsm ) std::cout << GridLogMessage<< "* Using Asm Nc=3 WilsonKernels" <<std::endl;
std::cout << GridLogMessage << "* OpenMP threads : "<< GridThread::GetThreads() <<std::endl;
std::cout << GridLogMessage << "* MPI tasks : "<< GridCmdVectorIntToString(mpi_layout) << std::endl;
std::cout << GridLogMessage<< "*****************************************************************" <<std::endl;
std::cout<<GridLogMessage << "============================================================================="<< std::endl;
std::cout<<GridLogMessage << "= Benchmarking Wilson" << std::endl;
std::cout<<GridLogMessage << "============================================================================="<< std::endl;
std::cout<<GridLogMessage << "Volume\t\t\tWilson/MFLOPs\tWilsonDag/MFLOPs" << std::endl;
std::cout<<GridLogMessage << "============================================================================="<< std::endl;
std::cout<<GridLogMessage << "================================================================================================="<< std::endl;
std::cout<<GridLogMessage << "= Benchmarking Wilson operator in the fundamental representation" << std::endl;
std::cout<<GridLogMessage << "================================================================================================="<< std::endl;
std::cout<<GridLogMessage << "Volume\t\t\tWilson/MFLOPs\tWilsonDag/MFLOPs\tWilsonEO/MFLOPs\tWilsonDagEO/MFLOPs" << std::endl;
std::cout<<GridLogMessage << "================================================================================================="<< std::endl;
int Lmax = 32;
int dmin = 0;
@ -93,12 +96,19 @@ int main (int argc, char ** argv)
GridParallelRNG pRNG(&Grid); pRNG.SeedFixedIntegers(seeds);
LatticeGaugeField Umu(&Grid); random(pRNG,Umu);
LatticeFermion src(&Grid); random(pRNG,src);
LatticeFermion result(&Grid); result=Zero();
LatticeFermion src_o(&RBGrid); pickCheckerboard(Odd,src_o,src);
LatticeFermion result(&Grid); result=Zero();
LatticeFermion result_e(&RBGrid); result_e=Zero();
double volume = std::accumulate(latt_size.begin(),latt_size.end(),1,std::multiplies<int>());
WilsonFermionR Dw(Umu,Grid,RBGrid,mass,params);
// Full operator
bench_wilson(src,result,Dw,volume,DaggerNo);
bench_wilson(src,result,Dw,volume,DaggerYes);
std::cout << "\t";
// EO
bench_wilson(src,result,Dw,volume,DaggerNo);
bench_wilson(src,result,Dw,volume,DaggerYes);
std::cout << std::endl;
@ -117,9 +127,26 @@ void bench_wilson (
int const dag )
{
int ncall = 1000;
long unsigned int single_site_flops = 8*Nc*(7+16*Nc);
double t0 = usecond();
for(int i=0; i<ncall; i++) { Dw.Dhop(src,result,dag); }
double t1 = usecond();
double flops = 1344 * volume * ncall;
double flops = single_site_flops * volume * ncall;
std::cout << flops/(t1-t0) << "\t\t";
}
void bench_wilson_eo (
LatticeFermion & src,
LatticeFermion & result,
WilsonFermionR & Dw,
double const volume,
int const dag )
{
int ncall = 1000;
long unsigned int single_site_flops = 8*Nc*(7+16*Nc);
double t0 = usecond();
for(int i=0; i<ncall; i++) { Dw.DhopEO(src,result,dag); }
double t1 = usecond();
double flops = (single_site_flops * volume * ncall)/2.0;
std::cout << flops/(t1-t0) << "\t\t";
}