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229 lines
7.6 KiB
C++
229 lines
7.6 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 <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
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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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#ifdef ENABLE_FERMION_REPS
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namespace Grid{
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struct FermionParameters: Serializable {
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GRID_SERIALIZABLE_CLASS_MEMBERS(FermionParameters,
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double, mass,
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double, csw,
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double, StoppingCondition,
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int, MaxCGIterations,
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bool, ApplySmearing);
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};
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struct WilsonCloverHMCParameters: Serializable {
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GRID_SERIALIZABLE_CLASS_MEMBERS(WilsonCloverHMCParameters,
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double, gauge_beta,
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FermionParameters, WilsonCloverFund,
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FermionParameters, WilsonCloverAS)
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template <class ReaderClass >
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WilsonCloverHMCParameters(Reader<ReaderClass>& Reader){
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read(Reader, "Action", *this);
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}
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};
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struct SmearingParameters: Serializable {
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GRID_SERIALIZABLE_CLASS_MEMBERS(SmearingParameters,
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double, rho,
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Integer, Nsmear)
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template <class ReaderClass >
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SmearingParameters(Reader<ReaderClass>& Reader){
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read(Reader, "StoutSmearing", *this);
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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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using namespace Grid;
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// Here change the allowed (higher) representations
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typedef Representations< FundamentalRepresentation, TwoIndexAntiSymmetricRepresentation> TheRepresentations;
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Grid_init(&argc, &argv);
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int threads = GridThread::GetThreads();
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// here make a routine to print all the relevant information on the run
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std::cout << GridLogMessage << "Grid is setup to use " << threads << " threads" << std::endl;
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// Typedefs to simplify notation
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typedef GenericHMCRunnerHirep<TheRepresentations, MinimumNorm2> HMCWrapper;
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typedef WilsonImplR FundImplPolicy;
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typedef WilsonCloverFermionD FundFermionAction;
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typedef typename FundFermionAction::FermionField FundFermionField;
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typedef WilsonTwoIndexAntiSymmetricImplR ASymmImplPolicy;
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typedef WilsonCloverTwoIndexAntiSymmetricFermionD ASymmFermionAction;
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typedef typename ASymmFermionAction::FermionField ASymmFermionField;
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typedef Grid::XmlReader Serialiser;
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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HMCWrapper TheHMC;
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// Grid from the command line
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TheHMC.ReadCommandLine(argc, argv);
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if (TheHMC.ParameterFile.empty()){
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std::cout << "Input file not specified."
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<< "Use --ParameterFile option in the command line.\nAborting"
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<< std::endl;
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exit(1);
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}
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Serialiser Reader(TheHMC.ParameterFile);
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WilsonCloverHMCParameters MyParams(Reader);
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// Apply smearing to the fermionic action
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bool ApplySmearingFund = MyParams.WilsonCloverFund.ApplySmearing;
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bool ApplySmearingAS = MyParams.WilsonCloverAS.ApplySmearing;
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TheHMC.Resources.AddFourDimGrid("gauge");
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// Checkpointer definition
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CheckpointerParameters CPparams(Reader);
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/*
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CPparams.config_prefix = "ckpoint_lat";
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CPparams.rng_prefix = "ckpoint_rng";
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CPparams.saveInterval = 5;
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CPparams.format = "IEEE64BIG";
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*/
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TheHMC.Resources.LoadNerscCheckpointer(CPparams);
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RNGModuleParameters RNGpar(Reader);
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/*
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RNGpar.serial_seeds = "1 2 3 4 5";
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RNGpar.parallel_seeds = "6 7 8 9 10";
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TheHMC.Resources.SetRNGSeeds(RNGpar);
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*/
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TheHMC.Resources.SetRNGSeeds(RNGpar);
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// Construct observables
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typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
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TheHMC.Resources.AddObservable<PlaqObs>();
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typedef PolyakovMod<HMCWrapper::ImplPolicy> PolyakovObs;
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TheHMC.Resources.AddObservable<PolyakovObs>();
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typedef TopologicalChargeMod<HMCWrapper::ImplPolicy> QObs;
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TopologyObsParameters TopParams(Reader);
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TheHMC.Resources.AddObservable<QObs>(TopParams);
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//////////////////////////////////////////////
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/////////////////////////////////////////////////////////////
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// Collect actions, here use more encapsulation
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// need wrappers of the fermionic classes
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// that have a complex construction
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// standard
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//RealD beta = 5.6;
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WilsonGaugeActionR Waction(MyParams.gauge_beta);
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auto GridPtr = TheHMC.Resources.GetCartesian();
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auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
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// temporarily need a gauge field
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FundamentalRepresentation::LatticeField UF(GridPtr);
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TwoIndexAntiSymmetricRepresentation::LatticeField UAS(GridPtr);
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Real Fundmass = MyParams.WilsonCloverFund.mass;
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Real Fundcsw = MyParams.WilsonCloverFund.csw;
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Real ASmass = MyParams.WilsonCloverAS.mass;
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Real AScsw = MyParams.WilsonCloverAS.csw;
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std::cout << "Fund: mass and csw" << Fundmass << " and " << Fundcsw << std::endl;
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std::cout << "AS : mass and csw" << ASmass << " and " << AScsw << std::endl;
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FundFermionAction FundFermOp(UF, *GridPtr, *GridRBPtr, Fundmass, Fundcsw, Fundcsw);
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ConjugateGradient<FundFermionField> CG_Fund(MyParams.WilsonCloverFund.StoppingCondition, MyParams.WilsonCloverFund.MaxCGIterations);
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TwoFlavourPseudoFermionAction<FundImplPolicy> Nf2_Fund(FundFermOp, CG_Fund, CG_Fund);
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ASymmFermionAction ASFermOp(UAS, *GridPtr, *GridRBPtr, ASmass, AScsw, AScsw);
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ConjugateGradient<ASymmFermionField> CG_AS(MyParams.WilsonCloverAS.StoppingCondition, MyParams.WilsonCloverAS.MaxCGIterations);
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TwoFlavourPseudoFermionAction<ASymmImplPolicy> Nf2_AS(ASFermOp, CG_AS, CG_AS);
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Nf2_Fund.is_smeared = ApplySmearingFund;
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Nf2_AS.is_smeared = ApplySmearingAS;
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// Collect actions
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ActionLevel<HMCWrapper::Field, TheRepresentations > Level1(1);
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Level1.push_back(&Nf2_Fund);
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Level1.push_back(&Nf2_AS);
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ActionLevel<HMCWrapper::Field, TheRepresentations > Level2(4);
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Level2.push_back(&Waction);
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TheHMC.TheAction.push_back(Level1);
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TheHMC.TheAction.push_back(Level2);
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TheHMC.Parameters.initialize(Reader);
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//TheHMC.Parameters.MD.MDsteps = 20;
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//TheHMC.Parameters.MD.trajL = 1.0;
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/*
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if (ApplySmearingFund || ApplySmearingAS){
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SmearingParameters SmPar(Reader);
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//double rho = 0.1; // smearing parameter
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//int Nsmear = 3; // number of smearing levels
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Smear_Stout<HMCWrapper::ImplPolicy> Stout(SmPar.rho);
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SmearedConfiguration<HMCWrapper::ImplPolicy> SmearingPolicy(GridPtr, SmPar.Nsmear, Stout);
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TheHMC.Run(SmearingPolicy); // for smearing
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} else {
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TheHMC.Run(); // no smearing
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}
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*/
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TheHMC.Run();
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//TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
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//TheHMC.Run(); // no smearing
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// TheHMC.Run(SmearingPolicy); // for smearing
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Grid_finalize();
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} // main
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#else
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int main(int argc, char **argv){}
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#endif
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