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270 lines
11 KiB
C++
270 lines
11 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./benchmarks/Benchmark_su3.cc
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Copyright (C) 2015
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: Peter Boyle <peterboyle@Peters-MacBook-Pro-2.local>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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using namespace std;
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using namespace Grid;
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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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#define LMAX (48)
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#define LMIN (8)
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#define LADD (8)
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int64_t Nwarm=50;
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int64_t Nloop=500;
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Coordinate simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
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Coordinate mpi_layout = GridDefaultMpi();
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int64_t 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=LMIN;lat<=LMAX;lat+=LADD){
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Coordinate latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int64_t 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.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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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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for(int64_t i=0;i<Nwarm;i++){
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x=x*y;
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}
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double start=usecond();
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for(int64_t 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=LMIN;lat<=LMAX;lat+=LADD){
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Coordinate latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int64_t 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.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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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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for(int64_t i=0;i<Nwarm;i++){
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z=x*y;
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}
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double start=usecond();
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for(int64_t 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=LMIN;lat<=LMAX;lat+=LADD){
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Coordinate latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int64_t 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.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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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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for(int64_t i=0;i<Nwarm;i++){
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mult(z,x,y);
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}
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double start=usecond();
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for(int64_t i=0;i<Nloop;i++){
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mult(z,x,y);
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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*(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=LMIN;lat<=LMAX;lat+=LADD){
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Coordinate latt_size ({lat*mpi_layout[0],lat*mpi_layout[1],lat*mpi_layout[2],lat*mpi_layout[3]});
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int64_t 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.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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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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for(int64_t i=0;i<Nwarm;i++){
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mac(z,x,y);
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}
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double start=usecond();
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for(int64_t 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=4*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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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << "= Benchmarking SU3xSU3 CovShiftForward(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=LMIN;lat<=LMAX;lat+=LADD){
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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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int64_t 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.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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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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for(int mu=0;mu<4;mu++){
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double start=usecond();
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for(int64_t i=0;i<Nloop;i++){
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z = PeriodicBC::CovShiftForward(x,mu,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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}
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#if 1
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std::cout<<GridLogMessage << "===================================================================================================="<<std::endl;
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std::cout<<GridLogMessage << "= Benchmarking SU3xSU3 z= x * Cshift(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=LMIN;lat<=LMAX;lat+=LADD){
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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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int64_t 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.SeedFixedIntegers(std::vector<int>({45,12,81,9}));
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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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LatticeColourMatrix tmp(&Grid);
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for(int mu=0;mu<4;mu++){
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double tshift=0;
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double tmult =0;
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double start=usecond();
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for(int64_t i=0;i<Nloop;i++){
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tshift-=usecond();
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tmp = Cshift(y,mu,-1);
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tshift+=usecond();
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tmult-=usecond();
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z = x*tmp;
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tmult+=usecond();
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}
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double stop=usecond();
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double time = (stop-start)/Nloop;
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tshift = tshift/Nloop;
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tmult = tmult /Nloop;
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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) << "total us "<<time<<" shift "<<tshift <<" mult "<<tmult<<std::endl;
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time = time * 1000; // convert to NS for GB/s
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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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}
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#endif
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Grid_finalize();
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}
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