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70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#include "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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class HmcRunner : public NerscHmcRunner {
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public:
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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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UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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FGrid = UGrid;
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FrbGrid = UrbGrid;
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// temporarily need a gauge field
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LatticeGaugeField U(UGrid);
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// Gauge action
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WilsonGaugeActionR Waction(5.6);
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Real mass=-0.77;
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FermionAction FermOp(U,*FGrid,*FrbGrid,mass);
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// 1+1 flavour
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OneFlavourRationalParams Params(1.0e-4,64.0,1000,1.0e-6);
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OneFlavourEvenOddRationalPseudoFermionAction<WilsonImplR> WilsonNf1a(FermOp,Params);
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OneFlavourEvenOddRationalPseudoFermionAction<WilsonImplR> WilsonNf1b(FermOp,Params);
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//Collect actions
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ActionLevel<LatticeGaugeField> Level1;
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Level1.push_back(&WilsonNf1a);
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Level1.push_back(&WilsonNf1b);
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Level1.push_back(&Waction);
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TheAction.push_back(Level1);
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Run(argc,argv);
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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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{
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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<<" 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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