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Grid/tests/hmc/Test_hmc_EODWFRatio_Gparity.cc
2016-07-07 22:31:07 +01:00

103 lines
3.0 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_hmc_EODWFRatio_Gparity.cc
Copyright (C) 2015
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;
namespace Grid {
namespace QCD {
class HmcRunner : public ConjugateNerscHmcRunner {
public:
void BuildTheAction (int argc, char **argv)
{
typedef GparityWilsonImplR ImplPolicy;
typedef GparityDomainWallFermionR FermionAction;
typedef typename FermionAction::FermionField FermionField;
const int Ls = 8;
UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
// temporarily need a gauge field
LatticeGaugeField U(UGrid);
// Gauge action
ConjugateWilsonGaugeActionR Waction(5.6);
// Fermion action
const int nu = 3;
std::vector<int> twists(Nd,0);
twists[nu] = 1;
FermionAction::ImplParams params;
params.twists = twists;
Real mass=0.04;
Real pv =1.0;
RealD M5=1.5;
FermionAction DenOp(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,params);
FermionAction NumOp(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,pv,M5,params);
ConjugateGradient<FermionField> CG(1.0e-8,10000);
TwoFlavourEvenOddRatioPseudoFermionAction<ImplPolicy> Nf2(NumOp, DenOp,CG,CG);
//Collect actions
ActionLevel<LatticeGaugeField> Level1;
Level1.push_back(&Nf2);
Level1.push_back(&Waction);
TheAction.push_back(Level1);
Run(argc,argv);
};
};
}}
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
int threads = GridThread::GetThreads();
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
HmcRunner TheHMC;
TheHMC.BuildTheAction(argc,argv);
}