mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-14 01:35:36 +00:00
217 lines
7.9 KiB
C++
217 lines
7.9 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./tests/Test_hmc_EODWFRatio.cc
|
|
|
|
Copyright (C) 2015-2016
|
|
|
|
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
|
|
Author: Guido Cossu <guido.cossu@ed.ac.uk>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
See the full license in the file "LICENSE" in the top level distribution
|
|
directory
|
|
*************************************************************************************/
|
|
/* END LEGAL */
|
|
#include <Grid/Grid.h>
|
|
|
|
int main(int argc, char **argv) {
|
|
using namespace Grid;
|
|
|
|
Grid_init(&argc, &argv);
|
|
int threads = GridThread::GetThreads();
|
|
// here make a routine to print all the relevant information on the run
|
|
std::cout << GridLogMessage << "Grid is setup to use " << threads << " threads" << std::endl;
|
|
|
|
// Typedefs to simplify notation
|
|
typedef WilsonImplR FermionImplPolicy;
|
|
typedef MobiusFermionD FermionAction;
|
|
typedef typename FermionAction::FermionField FermionField;
|
|
|
|
typedef Grid::XmlReader Serialiser;
|
|
|
|
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
|
|
IntegratorParameters MD;
|
|
typedef GenericHMCRunner<LeapFrog> HMCWrapper;
|
|
MD.name = std::string("Leap Frog");
|
|
// typedef GenericHMCRunner<ForceGradient> HMCWrapper;
|
|
// MD.name = std::string("Force Gradient");
|
|
//typedef GenericHMCRunner<MinimumNorm2> HMCWrapper;
|
|
// MD.name = std::string("MinimumNorm2");
|
|
MD.MDsteps = 40;
|
|
MD.trajL = 1.0;
|
|
|
|
HMCparameters HMCparams;
|
|
HMCparams.StartTrajectory = 0;
|
|
HMCparams.Trajectories = 1;
|
|
HMCparams.NoMetropolisUntil= 20;
|
|
// "[HotStart, ColdStart, TepidStart, CheckpointStart]\n";
|
|
HMCparams.StartingType =std::string("ColdStart");
|
|
HMCparams.MD = MD;
|
|
HMCWrapper TheHMC(HMCparams);
|
|
|
|
// Grid from the command line arguments --grid and --mpi
|
|
TheHMC.Resources.AddFourDimGrid("gauge"); // use default simd lanes decomposition
|
|
|
|
CheckpointerParameters CPparams;
|
|
CPparams.config_prefix = "ckpoint_EODWF_lat";
|
|
CPparams.rng_prefix = "ckpoint_EODWF_rng";
|
|
CPparams.saveInterval = 10;
|
|
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
|
|
// here there is too much indirection
|
|
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
|
|
TheHMC.Resources.AddObservable<PlaqObs>();
|
|
//////////////////////////////////////////////
|
|
|
|
const int Ls = 4;
|
|
Real beta = 2.13;
|
|
Real light_mass = 0.01;
|
|
Real strange_mass = 0.04;
|
|
Real pv_mass = 1.0;
|
|
RealD M5 = 1.8;
|
|
RealD b = 1.5; // Scale factor two
|
|
RealD c = 0.5;
|
|
|
|
// RHMC
|
|
// OneFlavourRationalParams OFRp;
|
|
// OFRp.lo = 1.0e-2;
|
|
// OFRp.hi = 25;
|
|
// OFRp.MaxIter = 10000;
|
|
// OFRp.tolerance= 1.0e-7;
|
|
// OFRp.degree = 10;
|
|
// OFRp.precision= 40;
|
|
|
|
// EOFA
|
|
OneFlavourRationalParams OFRp;
|
|
OFRp.lo = 0.98;
|
|
OFRp.hi = 25.0;
|
|
OFRp.MaxIter = 10000;
|
|
OFRp.tolerance= 1.0e-7;
|
|
OFRp.degree = 10;
|
|
OFRp.precision= 40;
|
|
|
|
std::vector<Real> hasenbusch({ 0.1 });
|
|
|
|
auto GridPtr = TheHMC.Resources.GetCartesian();
|
|
auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
|
|
auto FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,GridPtr);
|
|
auto FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,GridPtr);
|
|
|
|
IwasakiGaugeActionR GaugeAction(beta);
|
|
|
|
// temporarily need a gauge field
|
|
LatticeGaugeField U(GridPtr);
|
|
|
|
// These lines are unecessary if BC are all periodic
|
|
std::vector<Complex> boundary = {1,1,1,-1};
|
|
FermionAction::ImplParams Params(boundary);
|
|
|
|
double StoppingCondition = 1e-10;
|
|
double MaxCGIterations = 30000;
|
|
ConjugateGradient<LatticeFermion> CG(StoppingCondition,MaxCGIterations);
|
|
|
|
////////////////////////////////////
|
|
// Collect actions
|
|
////////////////////////////////////
|
|
ActionLevel<HMCWrapper::Field> Level1(1);
|
|
ActionLevel<HMCWrapper::Field> Level2(4);
|
|
|
|
////////////////////////////////////
|
|
// Strange action
|
|
////////////////////////////////////
|
|
|
|
// Setup for RHMC
|
|
// FermionAction StrangeOp(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_mass,M5,b,c, Params);
|
|
// OneFlavourRationalPseudoFermionAction<FermionImplPolicy> StrangePseudoFermion(StrangeOp,OFRp);
|
|
// Level1.push_back(&StrangePseudoFermion);
|
|
|
|
// DJM: setup for EOFA ratio (Shamir)
|
|
// DomainWallEOFAFermionD Strange_Op_L(U, *FGrid, *FrbGrid, *GridPtr, *GridRBPtr, strange_mass, strange_mass, pv_mass, 0.0, -1, M5);
|
|
// DomainWallEOFAFermionD Strange_Op_R(U, *FGrid, *FrbGrid, *GridPtr, *GridRBPtr, pv_mass, strange_mass, pv_mass, -1.0, 1, M5);
|
|
// ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy> EOFA(Strange_Op_L, Strange_Op_R, CG, OFRp, true);
|
|
// Level1.push_back(&EOFA);
|
|
|
|
// DJM: setup for EOFA ratio (Mobius)
|
|
MobiusEOFAFermionD Strange_Op_L(U, *FGrid, *FrbGrid, *GridPtr, *GridRBPtr, strange_mass, strange_mass, pv_mass, 0.0, -1, M5, b, c);
|
|
MobiusEOFAFermionD Strange_Op_R(U, *FGrid, *FrbGrid, *GridPtr, *GridRBPtr, pv_mass, strange_mass, pv_mass, -1.0, 1, M5, b, c);
|
|
ExactOneFlavourRatioPseudoFermionAction<FermionImplPolicy> EOFA(Strange_Op_L, Strange_Op_R, CG, OFRp, true);
|
|
Level1.push_back(&EOFA);
|
|
|
|
// Setup for RHMC ratio
|
|
// FermionAction StrangeOp (U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,strange_mass,M5,b,c, Params);
|
|
// FermionAction StrangePauliVillarsOp(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,pv_mass, M5,b,c, Params);
|
|
// OneFlavourEvenOddRatioRationalPseudoFermionAction<FermionImplPolicy> StrangePseudoFermion(StrangePauliVillarsOp,StrangeOp,OFRp);
|
|
// Level1.push_back(&StrangePseudoFermion);
|
|
|
|
////////////////////////////////////
|
|
// up down action
|
|
////////////////////////////////////
|
|
std::vector<Real> light_den;
|
|
std::vector<Real> light_num;
|
|
|
|
int n_hasenbusch = hasenbusch.size();
|
|
light_den.push_back(light_mass);
|
|
for(int h=0;h<n_hasenbusch;h++){
|
|
light_den.push_back(hasenbusch[h]);
|
|
light_num.push_back(hasenbusch[h]);
|
|
}
|
|
light_num.push_back(pv_mass);
|
|
|
|
std::vector<FermionAction *> Numerators;
|
|
std::vector<FermionAction *> Denominators;
|
|
std::vector<TwoFlavourEvenOddRatioPseudoFermionAction<FermionImplPolicy> *> Quotients;
|
|
|
|
for(int h=0;h<n_hasenbusch+1;h++){
|
|
std::cout << GridLogMessage << " 2f quotient Action "<< light_num[h] << " / " << light_den[h]<< std::endl;
|
|
Numerators.push_back (new FermionAction(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_num[h],M5,b,c, Params));
|
|
Denominators.push_back(new FermionAction(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_den[h],M5,b,c, Params));
|
|
Quotients.push_back (new TwoFlavourEvenOddRatioPseudoFermionAction<FermionImplPolicy>(*Numerators[h],*Denominators[h],CG,CG));
|
|
}
|
|
|
|
for(int h=0;h<n_hasenbusch+1;h++){
|
|
Level1.push_back(Quotients[h]);
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////
|
|
// Gauge action
|
|
/////////////////////////////////////////////////////////////
|
|
Level2.push_back(&GaugeAction);
|
|
TheHMC.TheAction.push_back(Level1);
|
|
TheHMC.TheAction.push_back(Level2);
|
|
std::cout << GridLogMessage << " Action complete "<< std::endl;
|
|
|
|
/////////////////////////////////////////////////////////////
|
|
// HMC parameters are serialisable
|
|
|
|
std::cout << GridLogMessage << " Running the HMC "<< std::endl;
|
|
TheHMC.Run(); // no smearing
|
|
|
|
Grid_finalize();
|
|
} // main
|
|
|
|
|
|
|
|
|