mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 09:15:38 +01:00
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
#include "Grid.h"
|
|
|
|
|
|
using namespace std;
|
|
using namespace Grid;
|
|
using namespace Grid::QCD;
|
|
|
|
int main (int argc, char ** argv)
|
|
{
|
|
Grid_init(&argc,&argv);
|
|
|
|
const int Ls = 8;
|
|
|
|
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
|
|
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
|
|
|
|
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
|
|
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
|
|
|
|
GridSerialRNG sRNG;
|
|
GridParallelRNG pRNG(UGrid);
|
|
sRNG.SeedRandomDevice();
|
|
pRNG.SeedRandomDevice();
|
|
|
|
LatticeLorentzColourMatrix U(UGrid);
|
|
|
|
SU3::HotConfiguration(pRNG, U);
|
|
|
|
// simplify template declaration? Strip the lorentz from the second template
|
|
WilsonGaugeActionR Waction(5.6);
|
|
|
|
Real mass=0.04;
|
|
Real pv =1.0;
|
|
RealD M5=1.5;
|
|
|
|
DomainWallFermionR DenOp(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
|
DomainWallFermionR NumOp(U,*FGrid,*FrbGrid,*UGrid,*UrbGrid,pv,M5);
|
|
|
|
ConjugateGradient<LatticeFermion> CG(1.0e-8,10000);
|
|
TwoFlavourEvenOddRatioPseudoFermionAction<WilsonImplR> Nf2(NumOp, DenOp,CG,CG);
|
|
|
|
//Collect actions
|
|
ActionLevel<LatticeGaugeField> Level1;
|
|
Level1.push_back(&Nf2);
|
|
Level1.push_back(&Waction);
|
|
ActionSet<LatticeGaugeField> FullSet;
|
|
FullSet.push_back(Level1);
|
|
|
|
// Create integrator
|
|
typedef MinimumNorm2<LatticeGaugeField> IntegratorType;// change here to change the algorithm
|
|
IntegratorParameters MDpar(20);
|
|
IntegratorType MDynamics(UGrid,MDpar, FullSet);
|
|
|
|
// Create HMC
|
|
HMCparameters HMCpar;
|
|
HybridMonteCarlo<LatticeGaugeField,IntegratorType> HMC(HMCpar, MDynamics,sRNG,pRNG);
|
|
|
|
// Run it
|
|
HMC.evolve(U);
|
|
|
|
}
|