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87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
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Copyright (C) 2015
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Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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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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Author: paboyle <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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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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// Derive from the BinaryHmcRunner (templated for gauge fields)
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class HmcRunner : public ScalarBinaryHmcRunner {
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public:
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void BuildTheAction(int argc, char **argv)
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{
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// Notice that the Grid is for reals now
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UGrid = SpaceTimeGrid::makeFourDimGrid(
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GridDefaultLatt(), GridDefaultSimd(Nd, vReal::Nsimd()),
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GridDefaultMpi());
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UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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// Real Scalar action
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ScalarActionR Saction(0.11,0.);
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// Collect actions
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ActionLevel<Field, ScalarFields> Level1(1);
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Level1.push_back(&Saction);
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TheAction.push_back(Level1);
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// Add observables and checkpointers
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int SaveInterval = 1;
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std::string format = std::string("IEEE64BIG");
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std::string conf_prefix = std::string("ckpoint_scalar_lat");
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std::string rng_prefix = std::string("ckpoint_scalar_rng");
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BinaryHmcCheckpointer<ScalarBinaryHmcRunner::ImplPolicy> Checkpoint(conf_prefix, rng_prefix, SaveInterval, format);
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ObservablesList.push_back(&Checkpoint);
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Run(argc, argv, Checkpoint);
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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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