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129 lines
4.2 KiB
C++
129 lines
4.2 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: neo <cossu@post.kek.jp>
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Author: Guido Cossu <guido.cossu@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
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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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//Change here the type of reader
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typedef Grid::TextReader InputFileReader;
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class HMCRunnerParameters : Serializable {
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(HMCRunnerParameters,
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double, beta,
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int, MDsteps,
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double, TrajectorLength,
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int, SaveInterval,
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std::string, format,
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std::string, conf_prefix,
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std::string, rng_prefix,
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std::string, serial_seeds,
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std::string, parallel_seeds,
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);
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HMCRunnerParameters() {}
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};
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// Derive from the BinaryHmcRunner (templated for gauge fields)
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class HmcRunner : public BinaryHmcRunner {
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public:
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HMCRunnerParameters HMCPar;
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void BuildTheAction(int argc, char **argv)
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{
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typedef WilsonImplR ImplPolicy;
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typedef WilsonFermionR FermionAction;
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typedef typename FermionAction::FermionField FermionField;
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UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()), GridDefaultMpi());
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// Gauge action
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WilsonGaugeActionR Waction(HMCPar.beta);
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// Collect actions
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ActionLevel<Field> Level1(1);
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Level1.push_back(&Waction);
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TheAction.push_back(Level1);
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// Add observables
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ILDGHmcCheckpointer<BinaryHmcRunner::ImplPolicy> Checkpoint(
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HMCPar.conf_prefix, HMCPar.rng_prefix, HMCPar.SaveInterval, HMCPar.format);
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// Can implement also a specific function in the hmcrunner
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// AddCheckpoint (...) that takes the same parameters + a string/tag
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// defining the type of the checkpointer
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// with tags can be implemented by overloading and no ifs
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// Then force all checkpoint to have few common functions
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// return an object that is then passed to the Run function
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PlaquetteLogger<BinaryHmcRunner::ImplPolicy> PlaqLog(
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std::string("Plaquette"));
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ObservablesList.push_back(&PlaqLog);
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ObservablesList.push_back(&Checkpoint);
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Run(argc, argv, Checkpoint); // no smearing
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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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InputFileReader Reader("input.wilson_gauge.params");
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read(Reader, "HMC", TheHMC.HMCPar);
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std::cout << GridLogMessage << TheHMC.HMCPar << std::endl;
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// Seeds for the random number generators
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std::vector<int> SerSeed = strToVec<int>(TheHMC.HMCPar.serial_seeds);
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std::vector<int> ParSeed = strToVec<int>(TheHMC.HMCPar.parallel_seeds);
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TheHMC.RNGSeeds(SerSeed, ParSeed);
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TheHMC.MDparameters.set(TheHMC.HMCPar.MDsteps, TheHMC.HMCPar.TrajectorLength);
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TheHMC.BuildTheAction(argc, argv);
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Grid_finalize();
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}
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