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https://github.com/paboyle/Grid.git
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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#include <Grid/Grid.h>
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int main(int argc, char **argv) {
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using namespace Grid;
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typedef Representations< SpFundamentalRepresentation > TheRepresentations;
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Grid_init(&argc, &argv);
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typedef GenericSp2nHMCRunnerHirep<TheRepresentations, MinimumNorm2> HMCWrapper; // ok
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typedef SpWilsonImplD FermionImplPolicy; // ok
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typedef SpWilsonFermionR FermionAction; // ok
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typedef typename FermionAction::FermionField FermionField; // ok?
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//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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HMCWrapper TheHMC;
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TheHMC.Resources.AddFourDimGrid("gauge");
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// Checkpointer definition
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CheckpointerParameters CPparams;
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CPparams.config_prefix = "ckpoint_lat";
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CPparams.rng_prefix = "ckpoint_rng";
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CPparams.saveInterval = 100;
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CPparams.format = "IEEE64BIG";
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TheHMC.Resources.LoadNerscCheckpointer(CPparams);
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RNGModuleParameters RNGpar;
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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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// Construct observables
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typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
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TheHMC.Resources.AddObservable<PlaqObs>();
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RealD beta = 7.2 ;
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SpWilsonGaugeActionR Waction(beta);
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auto GridPtr = TheHMC.Resources.GetCartesian();
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auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
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SpFundamentalRepresentation::LatticeField U(GridPtr);
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//LatticeGaugeField U(GridPtr);
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RealD mass = -0.76;
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FermionAction FermOp(U, *GridPtr, *GridRBPtr, mass);
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ConjugateGradient<FermionField> CG(1.0e-8, 2000, false);
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TwoFlavourPseudoFermionAction<FermionImplPolicy> Nf2(FermOp, CG, CG);
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Nf2.is_smeared = false;
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ActionLevel<HMCWrapper::Field, TheRepresentations > Level1(1);
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Level1.push_back(&Nf2);
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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.MD.MDsteps = 36;
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TheHMC.Parameters.MD.trajL = 1.0;
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TheHMC.ReadCommandLine(argc, argv);
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TheHMC.Run();
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Grid_finalize();
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}
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