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Split CG testing
This commit is contained in:
paboyle
@@ -38,7 +38,7 @@ int main (int argc, char ** argv)
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typedef typename DomainWallFermionR::ComplexField ComplexField;
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typename DomainWallFermionR::ImplParams params;
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const int Ls=8;
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const int Ls=4;
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Grid_init(&argc,&argv);
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@@ -47,29 +47,24 @@ int main (int argc, char ** argv)
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std::vector<int> mpi_layout = GridDefaultMpi();
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std::vector<int> mpi_split (mpi_layout.size(),1);
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std::cout << "UGrid (world root)"<<std::endl;
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
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std::cout << "FGrid (child of UGrid)"<<std::endl;
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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int nrhs = UGrid->RankCount() ;
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/////////////////////////////////////////////
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// Split into 1^4 mpi communicators
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/////////////////////////////////////////////
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std::cout << "SGrid (world root)"<<std::endl;
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GridCartesian * SGrid = new GridCartesian(GridDefaultLatt(),
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GridDefaultSimd(Nd,vComplex::Nsimd()),
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mpi_split,
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*UGrid);
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GridCartesian * SFGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,SGrid);
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std::cout << "SFGrid"<<std::endl;
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GridRedBlackCartesian * SrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(SGrid);
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std::cout << "SrbGrid"<<std::endl;
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GridRedBlackCartesian * SFrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,SGrid);
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std::cout << "SFrbGrid"<<std::endl;
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///////////////////////////////////////////////
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// Set up the problem as a 4d spreadout job
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@@ -79,10 +74,12 @@ int main (int argc, char ** argv)
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GridParallelRNG pRNG(UGrid ); pRNG.SeedFixedIntegers(seeds);
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GridParallelRNG pRNG5(FGrid); pRNG5.SeedFixedIntegers(seeds);
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std::vector<FermionField> src(nrhs,FGrid);
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std::vector<FermionField> src_chk(nrhs,FGrid);
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std::vector<FermionField> result(nrhs,FGrid);
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FermionField tmp(FGrid);
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for(int s=0;s<nrhs;s++) random(pRNG5,src[s]);
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for(int s=0;s<nrhs;s++) result[s] = zero;
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for(int s=0;s<nrhs;s++) result[s]=zero;
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LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(pRNG,Umu);
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@@ -99,6 +96,8 @@ int main (int argc, char ** argv)
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int me = UGrid->ThisRank();
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LatticeGaugeField s_Umu(SGrid);
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FermionField s_src(SFGrid);
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FermionField s_src_split(SFGrid);
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FermionField s_tmp(SFGrid);
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FermionField s_res(SFGrid);
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{
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@@ -157,6 +156,24 @@ int main (int argc, char ** argv)
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FGrid->Barrier();
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}
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///////////////////////////////////////////////////////////////
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// split the source out using MPI instead of I/O
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///////////////////////////////////////////////////////////////
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std::cout << GridLogMessage << " Splitting the grid data "<<std::endl;
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Grid_split (src,s_src_split);
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std::cout << GridLogMessage << " Finished splitting the grid data "<<std::endl;
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for(int n=0;n<nrhs;n++){
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std::cout <<GridLogMessage<<"Full "<< n <<" "<< norm2(src[n])<<std::endl;
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}
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s_tmp = s_src_split - s_src;
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for(int n=0;n<nrhs;n++){
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FGrid->Barrier();
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if ( n==me ) {
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std::cerr << GridLogMessage<<"Split "<< me << " " << norm2(s_src_split) << " " << norm2(s_src)<< " diff " << norm2(s_tmp)<<std::endl;
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}
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FGrid->Barrier();
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}
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///////////////////////////////////////////////////////////////
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// Set up N-solvers as trivially parallel
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@@ -164,6 +181,7 @@ int main (int argc, char ** argv)
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RealD mass=0.01;
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RealD M5=1.8;
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DomainWallFermionR Dchk(Umu,*FGrid,*FrbGrid,*UGrid,*rbGrid,mass,M5);
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DomainWallFermionR Ddwf(s_Umu,*SFGrid,*SFrbGrid,*SGrid,*SrbGrid,mass,M5);
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std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
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@@ -171,25 +189,41 @@ int main (int argc, char ** argv)
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std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
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MdagMLinearOperator<DomainWallFermionR,FermionField> HermOp(Ddwf);
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MdagMLinearOperator<DomainWallFermionR,FermionField> HermOpCk(Dchk);
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ConjugateGradient<FermionField> CG((1.0e-8/(me+1)),10000);
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s_res = zero;
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CG(HermOp,s_src,s_res);
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///////////////////////////////////////
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// Share the information
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///////////////////////////////////////
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/////////////////////////////////////////////////////////////
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// Report how long they all took
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/////////////////////////////////////////////////////////////
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std::vector<uint32_t> iterations(nrhs,0);
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iterations[me] = CG.IterationsToComplete;
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for(int n=0;n<nrhs;n++){
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UGrid->GlobalSum(iterations[n]);
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std::cout << GridLogMessage<<" Rank "<<n<<" "<< iterations[n]<<" CG iterations"<<std::endl;
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}
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/////////////////////////////////////////////////////////////
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// Report how long they all took
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// Gather and residual check on the results
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/////////////////////////////////////////////////////////////
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for(int r=0;r<nrhs;r++){
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std::cout << GridLogMessage<<" Rank "<<r<<" "<< iterations[r]<<" CG iterations"<<std::endl;
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std::cout << GridLogMessage<< "Unsplitting the result"<<std::endl;
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Grid_unsplit(result,s_res);
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/*
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Grid_unsplit(src_chk,s_src);
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for(int n=0;n<nrhs;n++){
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tmp = src[n]-src_chk[n];
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std::cout << " src_chk "<<n<<" "<<norm2(src_chk[n])<<" " <<norm2(src[n])<<" " <<norm2(tmp)<< std::endl;
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std::cout << " diff " <<tmp<<std::endl;
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}
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*/
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std::cout << GridLogMessage<< "Checking the residuals"<<std::endl;
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for(int n=0;n<nrhs;n++){
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HermOpCk.HermOp(result[n],tmp); tmp = tmp - src[n];
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std::cout << GridLogMessage<<" resid["<<n<<"] "<< norm2(tmp)<<std::endl;
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}
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Grid_finalize();
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}
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144
tests/solver/Test_dwf_mrhs_cg_mpi.cc
Normal file
144
tests/solver/Test_dwf_mrhs_cg_mpi.cc
Normal file
@@ -0,0 +1,144 @@
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_dwf_mrhs_cg.cc
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Copyright (C) 2015
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Author: Peter Boyle <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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#include <Grid/algorithms/iterative/BlockConjugateGradient.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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typedef typename DomainWallFermionR::FermionField FermionField;
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typedef typename DomainWallFermionR::ComplexField ComplexField;
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typename DomainWallFermionR::ImplParams params;
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const int Ls=4;
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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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std::vector<int> mpi_split (mpi_layout.size(),1);
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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int nrhs = UGrid->RankCount() ;
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/////////////////////////////////////////////
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// Split into 1^4 mpi communicators
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/////////////////////////////////////////////
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GridCartesian * SGrid = new GridCartesian(GridDefaultLatt(),
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GridDefaultSimd(Nd,vComplex::Nsimd()),
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mpi_split,
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*UGrid);
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GridCartesian * SFGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,SGrid);
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GridRedBlackCartesian * SrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(SGrid);
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GridRedBlackCartesian * SFrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,SGrid);
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///////////////////////////////////////////////
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// Set up the problem as a 4d spreadout job
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///////////////////////////////////////////////
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std::vector<int> seeds({1,2,3,4});
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GridParallelRNG pRNG(UGrid ); pRNG.SeedFixedIntegers(seeds);
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GridParallelRNG pRNG5(FGrid); pRNG5.SeedFixedIntegers(seeds);
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std::vector<FermionField> src(nrhs,FGrid);
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std::vector<FermionField> src_chk(nrhs,FGrid);
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std::vector<FermionField> result(nrhs,FGrid);
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FermionField tmp(FGrid);
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for(int s=0;s<nrhs;s++) random(pRNG5,src[s]);
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for(int s=0;s<nrhs;s++) result[s]=zero;
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LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(pRNG,Umu);
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/////////////////
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// MPI only sends
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/////////////////
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int me = UGrid->ThisRank();
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LatticeGaugeField s_Umu(SGrid);
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FermionField s_src(SFGrid);
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FermionField s_tmp(SFGrid);
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FermionField s_res(SFGrid);
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///////////////////////////////////////////////////////////////
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// split the source out using MPI instead of I/O
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///////////////////////////////////////////////////////////////
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Grid_split (Umu,s_Umu);
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Grid_split (src,s_src);
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///////////////////////////////////////////////////////////////
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// Set up N-solvers as trivially parallel
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///////////////////////////////////////////////////////////////
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RealD mass=0.01;
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RealD M5=1.8;
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DomainWallFermionR Dchk(Umu,*FGrid,*FrbGrid,*UGrid,*rbGrid,mass,M5);
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DomainWallFermionR Ddwf(s_Umu,*SFGrid,*SFrbGrid,*SGrid,*SrbGrid,mass,M5);
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std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
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std::cout << GridLogMessage << " Calling DWF CG "<<std::endl;
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std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
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MdagMLinearOperator<DomainWallFermionR,FermionField> HermOp(Ddwf);
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MdagMLinearOperator<DomainWallFermionR,FermionField> HermOpCk(Dchk);
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ConjugateGradient<FermionField> CG((1.0e-8/(me+1)),10000);
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s_res = zero;
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CG(HermOp,s_src,s_res);
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/////////////////////////////////////////////////////////////
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// Report how long they all took
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/////////////////////////////////////////////////////////////
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std::vector<uint32_t> iterations(nrhs,0);
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iterations[me] = CG.IterationsToComplete;
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for(int n=0;n<nrhs;n++){
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UGrid->GlobalSum(iterations[n]);
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std::cout << GridLogMessage<<" Rank "<<n<<" "<< iterations[n]<<" CG iterations"<<std::endl;
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}
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/////////////////////////////////////////////////////////////
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// Gather and residual check on the results
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/////////////////////////////////////////////////////////////
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std::cout << GridLogMessage<< "Unsplitting the result"<<std::endl;
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Grid_unsplit(result,s_res);
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std::cout << GridLogMessage<< "Checking the residuals"<<std::endl;
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for(int n=0;n<nrhs;n++){
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HermOpCk.HermOp(result[n],tmp); tmp = tmp - src[n];
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std::cout << GridLogMessage<<" resid["<<n<<"] "<< norm2(tmp)<<std::endl;
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}
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Grid_finalize();
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}
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163
tests/solver/Test_dwf_mrhs_cg_mpieo.cc
Normal file
163
tests/solver/Test_dwf_mrhs_cg_mpieo.cc
Normal file
@@ -0,0 +1,163 @@
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/*************************************************************************************
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|
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Grid physics library, www.github.com/paboyle/Grid
|
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Source file: ./tests/Test_dwf_mrhs_cg.cc
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|
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Copyright (C) 2015
|
||||
|
||||
Author: Peter Boyle <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>
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#include <Grid/algorithms/iterative/BlockConjugateGradient.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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typedef typename DomainWallFermionR::FermionField FermionField;
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typedef typename DomainWallFermionR::ComplexField ComplexField;
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typename DomainWallFermionR::ImplParams params;
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|
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const int Ls=4;
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|
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Grid_init(&argc,&argv);
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|
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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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std::vector<int> mpi_split (mpi_layout.size(),1);
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|
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * rbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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int nrhs = UGrid->RankCount() ;
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|
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/////////////////////////////////////////////
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// Split into 1^4 mpi communicators
|
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/////////////////////////////////////////////
|
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GridCartesian * SGrid = new GridCartesian(GridDefaultLatt(),
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GridDefaultSimd(Nd,vComplex::Nsimd()),
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mpi_split,
|
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*UGrid);
|
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|
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GridCartesian * SFGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,SGrid);
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GridRedBlackCartesian * SrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(SGrid);
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GridRedBlackCartesian * SFrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,SGrid);
|
||||
|
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///////////////////////////////////////////////
|
||||
// Set up the problem as a 4d spreadout job
|
||||
///////////////////////////////////////////////
|
||||
std::vector<int> seeds({1,2,3,4});
|
||||
|
||||
GridParallelRNG pRNG(UGrid ); pRNG.SeedFixedIntegers(seeds);
|
||||
GridParallelRNG pRNG5(FGrid); pRNG5.SeedFixedIntegers(seeds);
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std::vector<FermionField> src(nrhs,FGrid);
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std::vector<FermionField> src_chk(nrhs,FGrid);
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||||
std::vector<FermionField> result(nrhs,FGrid);
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FermionField tmp(FGrid);
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std::vector<FermionField> src_e(nrhs,FrbGrid);
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std::vector<FermionField> src_o(nrhs,FrbGrid);
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for(int s=0;s<nrhs;s++) random(pRNG5,src[s]);
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for(int s=0;s<nrhs;s++) result[s]=zero;
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|
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LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(pRNG,Umu);
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|
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/////////////////
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// MPI only sends
|
||||
/////////////////
|
||||
int me = UGrid->ThisRank();
|
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|
||||
LatticeGaugeField s_Umu(SGrid);
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FermionField s_src(SFGrid);
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||||
FermionField s_src_e(SFrbGrid);
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FermionField s_src_o(SFrbGrid);
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FermionField s_tmp(SFGrid);
|
||||
FermionField s_res(SFGrid);
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||||
|
||||
///////////////////////////////////////////////////////////////
|
||||
// split the source out using MPI instead of I/O
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||||
///////////////////////////////////////////////////////////////
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||||
Grid_split (Umu,s_Umu);
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Grid_split (src,s_src);
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||||
|
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///////////////////////////////////////////////////////////////
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// Check even odd cases
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||||
///////////////////////////////////////////////////////////////
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for(int s=0;s<nrhs;s++){
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pickCheckerboard(Odd , src_o[s], src[s]);
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pickCheckerboard(Even, src_e[s], src[s]);
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}
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||||
Grid_split (src_e,s_src_e);
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||||
Grid_split (src_o,s_src_o);
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setCheckerboard(s_tmp, s_src_o);
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setCheckerboard(s_tmp, s_src_e);
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||||
s_tmp = s_tmp - s_src;
|
||||
std::cout << GridLogMessage<<" EvenOdd Difference " <<norm2(s_tmp)<<std::endl;
|
||||
|
||||
///////////////////////////////////////////////////////////////
|
||||
// Set up N-solvers as trivially parallel
|
||||
///////////////////////////////////////////////////////////////
|
||||
RealD mass=0.01;
|
||||
RealD M5=1.8;
|
||||
DomainWallFermionR Dchk(Umu,*FGrid,*FrbGrid,*UGrid,*rbGrid,mass,M5);
|
||||
DomainWallFermionR Ddwf(s_Umu,*SFGrid,*SFrbGrid,*SGrid,*SrbGrid,mass,M5);
|
||||
|
||||
std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
|
||||
std::cout << GridLogMessage << " Calling DWF CG "<<std::endl;
|
||||
std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
|
||||
|
||||
MdagMLinearOperator<DomainWallFermionR,FermionField> HermOp(Ddwf);
|
||||
MdagMLinearOperator<DomainWallFermionR,FermionField> HermOpCk(Dchk);
|
||||
ConjugateGradient<FermionField> CG((1.0e-8/(me+1)),10000);
|
||||
s_res = zero;
|
||||
CG(HermOp,s_src,s_res);
|
||||
|
||||
/////////////////////////////////////////////////////////////
|
||||
// Report how long they all took
|
||||
/////////////////////////////////////////////////////////////
|
||||
std::vector<uint32_t> iterations(nrhs,0);
|
||||
iterations[me] = CG.IterationsToComplete;
|
||||
|
||||
for(int n=0;n<nrhs;n++){
|
||||
UGrid->GlobalSum(iterations[n]);
|
||||
std::cout << GridLogMessage<<" Rank "<<n<<" "<< iterations[n]<<" CG iterations"<<std::endl;
|
||||
}
|
||||
|
||||
/////////////////////////////////////////////////////////////
|
||||
// Gather and residual check on the results
|
||||
/////////////////////////////////////////////////////////////
|
||||
std::cout << GridLogMessage<< "Unsplitting the result"<<std::endl;
|
||||
Grid_unsplit(result,s_res);
|
||||
|
||||
std::cout << GridLogMessage<< "Checking the residuals"<<std::endl;
|
||||
for(int n=0;n<nrhs;n++){
|
||||
HermOpCk.HermOp(result[n],tmp); tmp = tmp - src[n];
|
||||
std::cout << GridLogMessage<<" resid["<<n<<"] "<< norm2(tmp)<<std::endl;
|
||||
}
|
||||
|
||||
Grid_finalize();
|
||||
}
|
||||
Reference in New Issue
Block a user