mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-09 23:45:36 +00:00
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
#include <Grid/Grid.h>
|
|
|
|
int main(int argc, char **argv) {
|
|
using namespace Grid;
|
|
|
|
typedef Representations< SpFundamentalRepresentation, SpTwoIndexAntiSymmetricRepresentation > TheRepresentations;
|
|
|
|
Grid_init(&argc, &argv);
|
|
|
|
typedef GenericSp2nHMCRunnerHirep<TheRepresentations, MinimumNorm2> HMCWrapper;
|
|
typedef SpWilsonTwoIndexAntiSymmetricImplR FermionImplPolicy;
|
|
typedef SpWilsonTwoIndexAntiSymmetricFermionR FermionAction;
|
|
typedef typename FermionAction::FermionField FermionField;
|
|
|
|
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
|
|
|
|
HMCWrapper TheHMC;
|
|
|
|
TheHMC.Resources.AddFourDimGrid("gauge");
|
|
|
|
// Checkpointer definition
|
|
CheckpointerParameters CPparams;
|
|
CPparams.config_prefix = "ckpoint_lat";
|
|
CPparams.rng_prefix = "ckpoint_rng";
|
|
CPparams.saveInterval = 100;
|
|
CPparams.format = "IEEE64BIG";
|
|
|
|
TheHMC.Resources.LoadNerscCheckpointer(CPparams);
|
|
|
|
RNGModuleParameters RNGpar;
|
|
RNGpar.serial_seeds = "1 2 3 4 5";
|
|
RNGpar.parallel_seeds = "6 7 8 9 10";
|
|
TheHMC.Resources.SetRNGSeeds(RNGpar);
|
|
|
|
// Construct observables
|
|
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
|
|
TheHMC.Resources.AddObservable<PlaqObs>();
|
|
|
|
RealD beta = 6.7 ;
|
|
|
|
SymplWilsonGaugeActionR Waction(beta);
|
|
|
|
auto GridPtr = TheHMC.Resources.GetCartesian();
|
|
auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
|
|
|
|
SpTwoIndexAntiSymmetricRepresentation::LatticeField U(GridPtr);
|
|
//LatticeGaugeField U(GridPtr);
|
|
|
|
RealD mass = -0.115;
|
|
|
|
|
|
std::vector<Complex> boundary = {-1,-1,-1,-1};
|
|
FermionAction::ImplParams bc(boundary);
|
|
FermionAction FermOp(U, *GridPtr, *GridRBPtr, mass, bc);
|
|
|
|
|
|
ConjugateGradient<FermionField> CG(1.0e-8, 2000, false);
|
|
|
|
TwoFlavourPseudoFermionAction<FermionImplPolicy> Nf2(FermOp, CG, CG);
|
|
|
|
Nf2.is_smeared = false;
|
|
std::cout << GridLogMessage << "mass " << mass << std::endl;
|
|
|
|
ActionLevel<HMCWrapper::Field, TheRepresentations > Level1(1);
|
|
Level1.push_back(&Nf2);
|
|
|
|
ActionLevel<HMCWrapper::Field, TheRepresentations > Level2(4);
|
|
Level2.push_back(&Waction);
|
|
|
|
TheHMC.TheAction.push_back(Level1);
|
|
TheHMC.TheAction.push_back(Level2);
|
|
|
|
TheHMC.Parameters.MD.MDsteps = 16;
|
|
TheHMC.Parameters.MD.trajL = 1.0;
|
|
|
|
TheHMC.ReadCommandLine(argc, argv);
|
|
TheHMC.Run();
|
|
|
|
|
|
Grid_finalize();
|
|
}
|
|
|