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Added support for the Two index Symmetric and Antisymmetric representations

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Tested for HMC convergence: OK
Added also a test file showing an example for mixed representations
This commit is contained in:
Guido Cossu
2016-09-22 14:17:37 +01:00
parent fda408ee6f
commit b6597b74e7
13 changed files with 850 additions and 174 deletions
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103
tests/hmc/Test_hmc_WilsonTwoIndexSymmetricFermionGauge.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_hmc_WilsonAdjointFermionGauge.cc
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: neo <cossu@post.kek.jp>
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 {
// Here change the allowed (higher) representations
typedef Representations< FundamentalRepresentation, TwoIndexSymmetricRepresentation > TheRepresentations;
class HmcRunner : public NerscHmcRunnerHirep< TheRepresentations > {
public:
void BuildTheAction(int argc, char **argv)
{
typedef WilsonTwoIndexSymmetricImplR ImplPolicy; // gauge field implemetation for the pseudofermions
typedef WilsonTwoIndexSymmetricFermionR FermionAction; // type of lattice fermions (Wilson, DW, ...)
typedef typename FermionAction::FermionField FermionField;
UGrid = SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi());
UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
FGrid = UGrid;
FrbGrid = UrbGrid;
// temporarily need a gauge field
TwoIndexSymmetricRepresentation::LatticeField U(UGrid);
// Gauge action
WilsonGaugeActionR Waction(2.0);
Real mass = -0.0;
FermionAction FermOp(U, *FGrid, *FrbGrid, mass);
ConjugateGradient<FermionField> CG(1.0e-8, 10000, false);
// Pass two solvers: one for the force computation and one for the action
TwoFlavourPseudoFermionAction<ImplPolicy> Nf2(FermOp, CG, CG);
// Set smearing (true/false), default: false
Nf2.is_smeared = false;
// Collect actions
ActionLevelHirep<LatticeGaugeField, TheRepresentations > Level1(1);
Level1.push_back(&Nf2);
ActionLevelHirep<LatticeGaugeField, TheRepresentations > Level2(4);
Level2.push_back(&Waction);
TheAction.push_back(Level1);
TheAction.push_back(Level2);
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);
}