1
0
mirror of https://github.com/paboyle/Grid.git synced 2024-09-20 01:05:38 +01:00

New file single prec test

This commit is contained in:
Azusa Yamaguchi 2018-05-21 12:57:13 +01:00
parent 68c028b0a6
commit 0e127b1fc7

View File

@ -0,0 +1,196 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./benchmarks/Benchmark_wilson.cc
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: paboyle <paboyle@ph.ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#include <Grid/Grid.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
const int Ls=16;
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplexF::Nsimd()),GridDefaultMpi());
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(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);
int threads = GridThread::GetThreads();
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG4(UGrid);
GridParallelRNG pRNG5(FGrid);
pRNG4.SeedFixedIntegers(seeds);
pRNG5.SeedFixedIntegers(seeds);
typedef typename ImprovedStaggeredFermion5DF::FermionField FermionField;
typedef typename ImprovedStaggeredFermion5DF::ComplexField ComplexField;
typename ImprovedStaggeredFermion5DF::ImplParams params;
FermionField src (FGrid);
random(pRNG5,src);
/*
std::vector<int> site({0,1,2,0,0});
ColourVector cv = zero;
cv()()(0)=1.0;
src = zero;
pokeSite(cv,src,site);
*/
FermionField result(FGrid); result=zero;
FermionField tmp(FGrid); tmp=zero;
FermionField err(FGrid); tmp=zero;
FermionField phi (FGrid); random(pRNG5,phi);
FermionField chi (FGrid); random(pRNG5,chi);
LatticeGaugeFieldF Umu(UGrid);
SU3::HotConfiguration(pRNG4,Umu);
/*
for(int mu=1;mu<4;mu++){
auto tmp = PeekIndex<LorentzIndex>(Umu,mu);
tmp = zero;
PokeIndex<LorentzIndex>(Umu,tmp,mu);
}
*/
double volume=Ls;
for(int mu=0;mu<Nd;mu++){
volume=volume*latt_size[mu];
}
RealD mass=0.1;
RealD c1=9.0/8.0;
RealD c2=-1.0/24.0;
RealD u0=1.0;
ImprovedStaggeredFermion5DF Ds(Umu,Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,c1,c2,u0,params);
ImprovedStaggeredFermionVec5dF sDs(Umu,Umu,*sFGrid,*sFrbGrid,*sUGrid,*sUrbGrid,mass,c1,c2,u0,params);
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
std::cout<<GridLogMessage<<"= Testing Dhop against cshift implementation "<<std::endl;
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
int ncall=1000;
int ncall1=1000;
double t0(0),t1(0);
double flops=(16*(3*(6+8+8)) + 15*3*2)*volume*ncall; // == 66*16 + == 1146
std::cout<<GridLogMessage << "Calling staggered operator"<<std::endl;
t0=usecond();
for(int i=0;i<ncall1;i++){
Ds.Dhop(src,result,0);
}
t1=usecond();
std::cout<<GridLogMessage << "Called Ds"<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(result)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
std::cout<<GridLogMessage << "Calling vectorised staggered operator"<<std::endl;
#ifdef AVX512
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptInlineAsm;
#else
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptGeneric;
#endif
t0=usecond();
for(int i=0;i<ncall1;i++){
Ds.Dhop(src,tmp,0);
}
t1=usecond();
std::cout<<GridLogMessage << "Called Ds ASM"<<std::endl;
std::cout<<GridLogMessage << "norm src "<< norm2(src)<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(tmp)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
err = tmp-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
FermionField ssrc (sFGrid); localConvert(src,ssrc);
FermionField sresult(sFGrid); sresult=zero;
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptHandUnroll;
t0=usecond();
for(int i=0;i<ncall1;i++){
sDs.Dhop(ssrc,sresult,0);
}
t1=usecond();
localConvert(sresult,tmp);
std::cout<<GridLogMessage << "Called sDs unroll"<<std::endl;
std::cout<<GridLogMessage << "norm ssrc "<< norm2(ssrc)<<std::endl;
std::cout<<GridLogMessage << "norm sresult "<< norm2(sresult)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
#ifdef AVX512
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptInlineAsm;
#else
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptGeneric;
#endif
err = tmp-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
int extra=1;
t0=usecond();
for(int i=0;i<ncall1*extra;i++){
sDs.Dhop(ssrc,sresult,0);
}
t1=usecond();
localConvert(sresult,tmp);
std::cout<<GridLogMessage << "Called sDs asm"<<std::endl;
std::cout<<GridLogMessage << "norm ssrc "<< norm2(ssrc)<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(sresult)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)*extra<<std::endl;
err = tmp-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
Grid_finalize();
}