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Merge branch 'develop' of https://github.com/paboyle/Grid into develop

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paboyle
2017-10-10 13:38:40 +01:00
parent 153672d8ec dd949bc428
commit d1c6288c5f
4 changed files with 413 additions and 10 deletions
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130
tests/solver/Test_staggered_block_cg_prec.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_wilson_cg_unprec.cc
Copyright (C) 2015
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
template<class d>
struct scal {
d internal;
};
Gamma::Algebra Gmu [] = {
Gamma::Algebra::GammaX,
Gamma::Algebra::GammaY,
Gamma::Algebra::GammaZ,
Gamma::Algebra::GammaT
};
int main (int argc, char ** argv)
{
typedef typename ImprovedStaggeredFermion5DR::FermionField FermionField;
typedef typename ImprovedStaggeredFermion5DR::ComplexField ComplexField;
typename ImprovedStaggeredFermion5DR::ImplParams params;
const int Ls=8;
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();
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
std::vector<int> seeds({1,2,3,4});
GridParallelRNG pRNG(UGrid ); pRNG.SeedFixedIntegers(seeds);
GridParallelRNG pRNG5(FGrid); pRNG5.SeedFixedIntegers(seeds);
FermionField src(FGrid); random(pRNG5,src);
FermionField src_o(FrbGrid); pickCheckerboard(Odd,src_o,src);
FermionField result_o(FrbGrid); result_o=zero;
RealD nrm = norm2(src);
LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(pRNG,Umu);
RealD mass=0.003;
ImprovedStaggeredFermion5DR Ds(Umu,Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass);
SchurDiagMooeeOperator<ImprovedStaggeredFermion5DR,FermionField> HermOp(Ds);
ConjugateGradient<FermionField> CG(1.0e-8,10000);
int blockDim = 0;
BlockConjugateGradient<FermionField> BCGrQ(BlockCGrQ,blockDim,1.0e-8,10000);
BlockConjugateGradient<FermionField> BCG (BlockCG,blockDim,1.0e-8,10000);
BlockConjugateGradient<FermionField> mCG (CGmultiRHS,blockDim,1.0e-8,10000);
std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
std::cout << GridLogMessage << " Calling 4d CG "<<std::endl;
std::cout << GridLogMessage << "****************************************************************** "<<std::endl;
ImprovedStaggeredFermionR Ds4d(Umu,Umu,*UGrid,*UrbGrid,mass);
SchurDiagMooeeOperator<ImprovedStaggeredFermionR,FermionField> HermOp4d(Ds4d);
FermionField src4d(UGrid); random(pRNG,src4d);
FermionField src4d_o(UrbGrid); pickCheckerboard(Odd,src4d_o,src4d);
FermionField result4d_o(UrbGrid);
result4d_o=zero;
CG(HermOp4d,src4d_o,result4d_o);
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
std::cout << GridLogMessage << " Calling 5d CG for "<<Ls <<" right hand sides" <<std::endl;
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
Ds.ZeroCounters();
result_o=zero;
CG(HermOp,src_o,result_o);
Ds.Report();
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
std::cout << GridLogMessage << " Calling multiRHS CG for "<<Ls <<" right hand sides" <<std::endl;
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
Ds.ZeroCounters();
result_o=zero;
mCG(HermOp,src_o,result_o);
Ds.Report();
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
std::cout << GridLogMessage << " Calling Block CG for "<<Ls <<" right hand sides" <<std::endl;
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
Ds.ZeroCounters();
result_o=zero;
BCGrQ(HermOp,src_o,result_o);
Ds.Report();
std::cout << GridLogMessage << "************************************************************************ "<<std::endl;
Grid_finalize();
}

7
tests/solver/Test_staggered_cg_prec.cc
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@ -71,7 +71,7 @@ int main (int argc, char ** argv)
volume=volume*latt_size[mu];
}
RealD mass=0.1;
RealD mass=0.003;
ImprovedStaggeredFermionR Ds(Umu,Umu,Grid,RBGrid,mass);
FermionField res_o(&RBGrid);
@ -83,5 +83,10 @@ int main (int argc, char ** argv)
ConjugateGradient<FermionField> CG(1.0e-8,10000);
CG(HermOpEO,src_o,res_o);
FermionField tmp(&RBGrid);
HermOpEO.Mpc(res_o,tmp);
std::cout << "check Mpc resid " << axpy_norm(tmp,-1.0,src_o,tmp)/norm2(src_o) << "\n";
Grid_finalize();
}