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https://github.com/paboyle/Grid.git
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223 lines
7.2 KiB
C++
223 lines
7.2 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./benchmarks/Benchmark_dwf.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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;
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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 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> latt4 = GridDefaultLatt();
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const int Ls=16;
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::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 Vec5d 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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std::vector<int> seeds4({1,2,3,4});
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std::vector<int> seeds5({5,6,7,8});
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GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
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std::cout << GridLogMessage << "Seeded"<<std::endl;
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LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(RNG4,Umu);
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std::cout << GridLogMessage << "made random gauge fields"<<std::endl;
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RealD mass=0.1;
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RealD M5 =1.8;
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RealD NP = UGrid->_Nprocessors;
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if (1)
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{
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const int ncall=1000;
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std::cout << GridLogMessage<< "*********************************************************" <<std::endl;
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std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionR::Dhop "<<std::endl;
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std::cout << GridLogMessage<< "*********************************************************" <<std::endl;
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GridParallelRNG RNG5(FGrid);
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LatticeFermion src(FGrid); random(RNG5,src);
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LatticeFermion result(FGrid);
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DomainWallFermionR Dw(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
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double t0,t1;
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LatticeFermion r_eo(FGrid);
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LatticeFermion src_e (FrbGrid);
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LatticeFermion src_o (FrbGrid);
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LatticeFermion r_e (FrbGrid);
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LatticeFermion r_o (FrbGrid);
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pickCheckerboard(Even,src_e,src);
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pickCheckerboard(Odd,src_o,src);
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setCheckerboard(r_eo,src_o);
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setCheckerboard(r_eo,src_e);
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r_e = zero;
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r_o = zero;
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#define BENCH_DW(A,in,out) \
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Dw.CayleyZeroCounters(); \
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Dw. A (in,out); \
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FGrid->Barrier(); \
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t0=usecond(); \
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for(int i=0;i<ncall;i++){ \
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Dw. A (in,out); \
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} \
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t1=usecond(); \
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FGrid->Barrier(); \
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Dw.CayleyReport(); \
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std::cout<<GridLogMessage << "Called " #A " "<< (t1-t0)/ncall<<" us"<<std::endl;\
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std::cout<<GridLogMessage << "******************"<<std::endl;
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#define BENCH_ZDW(A,in,out) \
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zDw.CayleyZeroCounters(); \
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zDw. A (in,out); \
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FGrid->Barrier(); \
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t0=usecond(); \
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for(int i=0;i<ncall;i++){ \
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zDw. A (in,out); \
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} \
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t1=usecond(); \
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FGrid->Barrier(); \
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zDw.CayleyReport(); \
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std::cout<<GridLogMessage << "Called ZDw " #A " "<< (t1-t0)/ncall<<" us"<<std::endl;\
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std::cout<<GridLogMessage << "******************"<<std::endl;
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#define BENCH_DW_SSC(A,in,out) \
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Dw.CayleyZeroCounters(); \
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Dw. A (in,out); \
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FGrid->Barrier(); \
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t0=usecond(); \
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for(int i=0;i<ncall;i++){ \
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__SSC_START ; \
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Dw. A (in,out); \
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__SSC_STOP ; \
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} \
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t1=usecond(); \
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FGrid->Barrier(); \
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Dw.CayleyReport(); \
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std::cout<<GridLogMessage << "Called " #A " "<< (t1-t0)/ncall<<" us"<<std::endl;\
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std::cout<<GridLogMessage << "******************"<<std::endl;
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#define BENCH_DW_MEO(A,in,out) \
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Dw.CayleyZeroCounters(); \
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Dw. A (in,out,0); \
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FGrid->Barrier(); \
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t0=usecond(); \
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for(int i=0;i<ncall;i++){ \
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Dw. A (in,out,0); \
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} \
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t1=usecond(); \
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FGrid->Barrier(); \
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Dw.CayleyReport(); \
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std::cout<<GridLogMessage << "Called " #A " "<< (t1-t0)/ncall<<" us"<<std::endl;\
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std::cout<<GridLogMessage << "******************"<<std::endl;
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BENCH_DW_MEO(Dhop ,src,result);
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BENCH_DW_MEO(DhopEO ,src_o,r_e);
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BENCH_DW(Meooe ,src_o,r_e);
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BENCH_DW(Mooee ,src_o,r_o);
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BENCH_DW(MooeeInv,src_o,r_o);
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}
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if (1)
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{
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const int ncall=1000;
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std::cout << GridLogMessage<< "*********************************************************" <<std::endl;
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std::cout << GridLogMessage<< "* Benchmarking DomainWallFermionVec5dR::Dhop "<<std::endl;
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std::cout << GridLogMessage<< "*********************************************************" <<std::endl;
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GridParallelRNG RNG5(sFGrid);
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LatticeFermion src(sFGrid); random(RNG5,src);
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LatticeFermion sref(sFGrid);
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LatticeFermion result(sFGrid);
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std::cout<<GridLogMessage << "Constructing Vec5D Dw "<<std::endl;
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DomainWallFermionVec5dR Dw(Umu,*sFGrid,*sFrbGrid,*sUGrid,*sUrbGrid,mass,M5);
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RealD b=1.5;// Scale factor b+c=2, b-c=1
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RealD c=0.5;
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std::vector<ComplexD> gamma(Ls,std::complex<double>(1.0,0.0));
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ZMobiusFermionVec5dR zDw(Umu,*sFGrid,*sFrbGrid,*sUGrid,*sUrbGrid,mass,M5,gamma,b,c);
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std::cout<<GridLogMessage << "Calling Dhop "<<std::endl;
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FGrid->Barrier();
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double t0,t1;
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LatticeFermion r_eo(sFGrid);
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LatticeFermion src_e (sFrbGrid);
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LatticeFermion src_o (sFrbGrid);
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LatticeFermion r_e (sFrbGrid);
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LatticeFermion r_o (sFrbGrid);
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pickCheckerboard(Even,src_e,src);
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pickCheckerboard(Odd,src_o,src);
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setCheckerboard(r_eo,src_o);
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setCheckerboard(r_eo,src_e);
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r_e = zero;
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r_o = zero;
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BENCH_DW_MEO(Dhop ,src,result);
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BENCH_DW_MEO(DhopEO ,src_o,r_e);
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BENCH_DW_SSC(Meooe ,src_o,r_e);
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BENCH_DW(Mooee ,src_o,r_o);
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BENCH_DW(MooeeInv,src_o,r_o);
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BENCH_ZDW(Mooee ,src_o,r_o);
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BENCH_ZDW(MooeeInv,src_o,r_o);
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}
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Grid_finalize();
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}
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