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5e370db6c5
6000 matmuls CG unprec 2000 matmuls CG prec (4000 eo muls) 1050 matmuls PGCR on 16^3 x 32 x 8 m=.01 Substantial effort on timing and logging infrastructure
146 lines
6.3 KiB
C++
146 lines
6.3 KiB
C++
#include <Grid.h>
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using namespace std;
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using namespace Grid;
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using namespace Grid::QCD;
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int main (int argc, char ** argv)
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{
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Grid_init(&argc,&argv);
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int Nloop=1000;
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std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
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std::vector<int> mpi_layout = GridDefaultMpi();
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int threads = GridThread::GetThreads();
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std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << "= Benchmarking SU3xSU3 x= x*y"<<std::endl;
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s\t\t GFlop/s"<<std::endl;
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std::cout<<GridLogMessage << "----------------------------------------------------------"<<std::endl;
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for(int lat=2;lat<=24;lat+=2){
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std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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// GridParallelRNG pRNG(&Grid); pRNG.SeedRandomDevice();
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LatticeColourMatrix z(&Grid);// random(pRNG,z);
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LatticeColourMatrix x(&Grid);// random(pRNG,x);
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LatticeColourMatrix y(&Grid);// random(pRNG,y);
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double start=usecond();
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for(int i=0;i<Nloop;i++){
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x=x*y;
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}
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double stop=usecond();
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double time = (stop-start)/Nloop*1000.0;
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double bytes=3.0*vol*Nc*Nc*sizeof(Complex);
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double footprint=2.0*vol*Nc*Nc*sizeof(Complex);
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double flops=Nc*Nc*(6.0+8.0+8.0)*vol;
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std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<footprint<<" \t\t"<<bytes/time<<"\t\t" << flops/time<<std::endl;
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}
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << "= Benchmarking SU3xSU3 z= x*y"<<std::endl;
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s\t\t GFlop/s"<<std::endl;
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std::cout<<GridLogMessage << "----------------------------------------------------------"<<std::endl;
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for(int lat=2;lat<=24;lat+=2){
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std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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// GridParallelRNG pRNG(&Grid); pRNG.SeedRandomDevice();
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LatticeColourMatrix z(&Grid); //random(pRNG,z);
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LatticeColourMatrix x(&Grid); //random(pRNG,x);
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LatticeColourMatrix y(&Grid); //random(pRNG,y);
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double start=usecond();
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for(int i=0;i<Nloop;i++){
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z=x*y;
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}
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double stop=usecond();
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double time = (stop-start)/Nloop*1000.0;
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double bytes=3*vol*Nc*Nc*sizeof(Complex);
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double flops=Nc*Nc*(6+8+8)*vol;
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std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t" << flops/time<<std::endl;
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}
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << "= Benchmarking SU3xSU3 mult(z,x,y)"<<std::endl;
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s\t\t GFlop/s"<<std::endl;
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std::cout<<GridLogMessage << "----------------------------------------------------------"<<std::endl;
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for(int lat=2;lat<=24;lat+=2){
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std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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// GridParallelRNG pRNG(&Grid); pRNG.SeedRandomDevice();
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LatticeColourMatrix z(&Grid); //random(pRNG,z);
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LatticeColourMatrix x(&Grid); //random(pRNG,x);
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LatticeColourMatrix y(&Grid); //random(pRNG,y);
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double start=usecond();
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for(int i=0;i<Nloop;i++){
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mult(z,x,y);
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}
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double stop=usecond();
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double time = (stop-start)/Nloop*1000.0;
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double bytes=3*vol*Nc*Nc*sizeof(Complex);
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double flops=Nc*Nc*(6+8+8)*vol;
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std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t" << flops/time<<std::endl;
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}
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << "= Benchmarking SU3xSU3 mac(z,x,y)"<<std::endl;
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << " L "<<"\t\t"<<"bytes"<<"\t\t\t"<<"GB/s\t\t GFlop/s"<<std::endl;
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std::cout<<GridLogMessage << "----------------------------------------------------------"<<std::endl;
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for(int lat=2;lat<=24;lat+=2){
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std::vector<int> latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int vol = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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// GridParallelRNG pRNG(&Grid); pRNG.SeedRandomDevice();
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LatticeColourMatrix z(&Grid); //random(pRNG,z);
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LatticeColourMatrix x(&Grid); //random(pRNG,x);
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LatticeColourMatrix y(&Grid); //random(pRNG,y);
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double start=usecond();
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for(int i=0;i<Nloop;i++){
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mac(z,x,y);
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}
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double stop=usecond();
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double time = (stop-start)/Nloop*1000.0;
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double bytes=3*vol*Nc*Nc*sizeof(Complex);
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double flops=Nc*Nc*(8+8+8)*vol;
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std::cout<<GridLogMessage<<std::setprecision(3) << lat<<"\t\t"<<bytes<<" \t\t"<<bytes/time<<"\t\t" << flops/time<<std::endl;
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}
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Grid_finalize();
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}
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