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rhmc for 1+1 wilson is conserving dH~0.

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A good days work  ;)
This commit is contained in:
Peter Boyle 2015-08-18 16:58:56 +01:00
parent 5c364f8082
commit 9c7840c3a7
1 changed files with 56 additions and 0 deletions
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tests/Test_rhmc_Wilson1p1.cc Normal file
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#include "Grid.h"
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Fine(latt_size,simd_layout,mpi_layout);
GridRedBlackCartesian RBFine(latt_size,simd_layout,mpi_layout);
GridParallelRNG pRNG(&Fine);
pRNG.SeedRandomDevice();
LatticeLorentzColourMatrix U(&Fine);
SU3::HotConfiguration(pRNG, U);
// simplify template declaration? Strip the lorentz from the second template
WilsonGaugeAction<LatticeLorentzColourMatrix, LatticeColourMatrix> Waction(5.6);
Real mass=-0.77;
WilsonFermionR FermOp(U,Fine,RBFine,mass);
// 1+1 flavour
OneFlavourRationalParams Params(1.0e-4,64.0,1000,1.0e-6);
OneFlavourRationalPseudoFermionAction<WilsonImplR> WilsonNf1a(FermOp,Params);
OneFlavourRationalPseudoFermionAction<WilsonImplR> WilsonNf1b(FermOp,Params);
//Collect actions
ActionLevel Level1;
Level1.push_back(&WilsonNf1a);
Level1.push_back(&WilsonNf1b);
Level1.push_back(&Waction);
ActionSet FullSet;
FullSet.push_back(Level1);
// Create integrator
typedef MinimumNorm2 IntegratorAlgorithm;// change here to change the algorithm
IntegratorParameters MDpar(12,20,1.0);
Integrator<IntegratorAlgorithm> MDynamics(&Fine,MDpar, FullSet);
// Create HMC
HMCparameters HMCpar;
HybridMonteCarlo<IntegratorAlgorithm> HMC(HMCpar, MDynamics);
HMC.evolve(U);
}