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104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_hmc_WilsonAdjointFermionGauge.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: neo <cossu@post.kek.jp>
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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
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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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using namespace Grid::QCD;
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namespace Grid {
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namespace QCD {
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// Here change the allowed (higher) representations
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typedef Representations< FundamentalRepresentation, TwoIndexSymmetricRepresentation > TheRepresentations;
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class HmcRunner : public NerscHmcRunnerHirep< TheRepresentations > {
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public:
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void BuildTheAction(int argc, char **argv)
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{
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typedef WilsonTwoIndexSymmetricImplR ImplPolicy; // gauge field implemetation for the pseudofermions
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typedef WilsonTwoIndexSymmetricFermionR FermionAction; // type of lattice fermions (Wilson, DW, ...)
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typedef typename FermionAction::FermionField FermionField;
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UGrid = SpaceTimeGrid::makeFourDimGrid(
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GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
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GridDefaultMpi());
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UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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FGrid = UGrid;
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FrbGrid = UrbGrid;
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// temporarily need a gauge field
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TwoIndexSymmetricRepresentation::LatticeField U(UGrid);
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// Gauge action
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WilsonGaugeActionR Waction(2.0);
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Real mass = -0.0;
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FermionAction FermOp(U, *FGrid, *FrbGrid, mass);
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ConjugateGradient<FermionField> CG(1.0e-8, 10000, false);
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// Pass two solvers: one for the force computation and one for the action
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TwoFlavourPseudoFermionAction<ImplPolicy> Nf2(FermOp, CG, CG);
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// Set smearing (true/false), default: false
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Nf2.is_smeared = false;
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// Collect actions
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ActionLevel<LatticeGaugeField, TheRepresentations > Level1(1);
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Level1.push_back(&Nf2);
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ActionLevel<LatticeGaugeField, TheRepresentations > Level2(4);
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Level2.push_back(&Waction);
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TheAction.push_back(Level1);
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TheAction.push_back(Level2);
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Run(argc, argv);
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};
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};
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}
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}
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int main(int argc, char **argv) {
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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
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<< " threads" << std::endl;
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HmcRunner TheHMC;
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TheHMC.BuildTheAction(argc, argv);
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}
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