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New file single prec test
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Azusa Yamaguchi
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196
tests/core/Test_staggered5DvecF.cc
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196
tests/core/Test_staggered5DvecF.cc
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./benchmarks/Benchmark_wilson.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: paboyle <paboyle@ph.ed.ac.uk>
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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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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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std::vector<int> latt_size = GridDefaultLatt();
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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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const int Ls=16;
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplexF::Nsimd()),GridDefaultMpi());
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GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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std::cout << GridLogMessage << "Making s innermost grids"<<std::endl;
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GridCartesian * sUGrid = SpaceTimeGrid::makeFourDimDWFGrid(GridDefaultLatt(),GridDefaultMpi());
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GridRedBlackCartesian * sUrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(sUGrid);
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GridCartesian * sFGrid = SpaceTimeGrid::makeFiveDimDWFGrid(Ls,UGrid);
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GridRedBlackCartesian * sFrbGrid = SpaceTimeGrid::makeFiveDimDWFRedBlackGrid(Ls,UGrid);
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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::vector<int> seeds({1,2,3,4});
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GridParallelRNG pRNG4(UGrid);
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GridParallelRNG pRNG5(FGrid);
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pRNG4.SeedFixedIntegers(seeds);
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pRNG5.SeedFixedIntegers(seeds);
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typedef typename ImprovedStaggeredFermion5DF::FermionField FermionField;
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typedef typename ImprovedStaggeredFermion5DF::ComplexField ComplexField;
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typename ImprovedStaggeredFermion5DF::ImplParams params;
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FermionField src (FGrid);
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random(pRNG5,src);
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/*
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std::vector<int> site({0,1,2,0,0});
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ColourVector cv = zero;
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cv()()(0)=1.0;
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src = zero;
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pokeSite(cv,src,site);
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*/
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FermionField result(FGrid); result=zero;
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FermionField tmp(FGrid); tmp=zero;
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FermionField err(FGrid); tmp=zero;
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FermionField phi (FGrid); random(pRNG5,phi);
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FermionField chi (FGrid); random(pRNG5,chi);
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LatticeGaugeFieldF Umu(UGrid);
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SU3::HotConfiguration(pRNG4,Umu);
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/*
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for(int mu=1;mu<4;mu++){
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auto tmp = PeekIndex<LorentzIndex>(Umu,mu);
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tmp = zero;
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PokeIndex<LorentzIndex>(Umu,tmp,mu);
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}
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*/
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double volume=Ls;
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for(int mu=0;mu<Nd;mu++){
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volume=volume*latt_size[mu];
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}
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RealD mass=0.1;
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RealD c1=9.0/8.0;
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RealD c2=-1.0/24.0;
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RealD u0=1.0;
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ImprovedStaggeredFermion5DF Ds(Umu,Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,c1,c2,u0,params);
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ImprovedStaggeredFermionVec5dF sDs(Umu,Umu,*sFGrid,*sFrbGrid,*sUGrid,*sUrbGrid,mass,c1,c2,u0,params);
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std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
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std::cout<<GridLogMessage<<"= Testing Dhop against cshift implementation "<<std::endl;
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std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
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int ncall=1000;
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int ncall1=1000;
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double t0(0),t1(0);
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double flops=(16*(3*(6+8+8)) + 15*3*2)*volume*ncall; // == 66*16 + == 1146
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std::cout<<GridLogMessage << "Calling staggered operator"<<std::endl;
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t0=usecond();
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for(int i=0;i<ncall1;i++){
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Ds.Dhop(src,result,0);
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}
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t1=usecond();
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std::cout<<GridLogMessage << "Called Ds"<<std::endl;
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std::cout<<GridLogMessage << "norm result "<< norm2(result)<<std::endl;
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std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
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std::cout<<GridLogMessage << "Calling vectorised staggered operator"<<std::endl;
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#ifdef AVX512
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QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptInlineAsm;
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#else
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QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptGeneric;
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#endif
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t0=usecond();
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for(int i=0;i<ncall1;i++){
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Ds.Dhop(src,tmp,0);
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}
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t1=usecond();
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std::cout<<GridLogMessage << "Called Ds ASM"<<std::endl;
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std::cout<<GridLogMessage << "norm src "<< norm2(src)<<std::endl;
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std::cout<<GridLogMessage << "norm result "<< norm2(tmp)<<std::endl;
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std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
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err = tmp-result;
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std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
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FermionField ssrc (sFGrid); localConvert(src,ssrc);
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FermionField sresult(sFGrid); sresult=zero;
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QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptHandUnroll;
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t0=usecond();
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for(int i=0;i<ncall1;i++){
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sDs.Dhop(ssrc,sresult,0);
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}
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t1=usecond();
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localConvert(sresult,tmp);
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std::cout<<GridLogMessage << "Called sDs unroll"<<std::endl;
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std::cout<<GridLogMessage << "norm ssrc "<< norm2(ssrc)<<std::endl;
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std::cout<<GridLogMessage << "norm sresult "<< norm2(sresult)<<std::endl;
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std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
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#ifdef AVX512
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QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptInlineAsm;
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#else
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QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptGeneric;
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#endif
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err = tmp-result;
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std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
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int extra=1;
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t0=usecond();
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for(int i=0;i<ncall1*extra;i++){
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sDs.Dhop(ssrc,sresult,0);
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}
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t1=usecond();
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localConvert(sresult,tmp);
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std::cout<<GridLogMessage << "Called sDs asm"<<std::endl;
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std::cout<<GridLogMessage << "norm ssrc "<< norm2(ssrc)<<std::endl;
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std::cout<<GridLogMessage << "norm result "<< norm2(sresult)<<std::endl;
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std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)*extra<<std::endl;
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err = tmp-result;
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std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
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Grid_finalize();
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}
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