portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-04-22 19:55:56 +01:00
Code Releases Activity
Grid/HMC/Mobius2f_DDHMC.cc
Quadro 7d8d250389 Complete ?
2021-06-09 16:30:39 -04:00

323 lines
13 KiB
C++
Raw Blame History

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file:
Copyright (C) 2015-2016
Author: Peter Boyle <pabobyle@ph.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>
#include <Grid/qcd/action/momentum/DirichletFilter.h>
#include <Grid/qcd/action/momentum/DDHMCfilter.h>
#include <Grid/qcd/action/fermion/DirichletFermionOperator.h>
#include <Grid/qcd/action/fermion/SchurFactoredFermionOperator.h>
#include <Grid/qcd/action/pseudofermion/DomainDecomposedBoundaryTwoFlavourPseudoFermion.h>
#include <Grid/qcd/action/pseudofermion/DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion.h>
#include <Grid/qcd/action/pseudofermion/DomainDecomposedBoundaryTwoFlavourBosonPseudoFermion.h>
#include <Grid/qcd/utils/MixedPrecisionOperatorFunction.h>
NAMESPACE_BEGIN(Grid);
#define MIXED_PRECISION
NAMESPACE_END(Grid);
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 FimplD;
typedef WilsonImplF FimplF;
typedef FermionOperator<FimplF> FermionOperatorF;
typedef FermionOperator<FimplD> FermionOperatorD;
typedef MobiusFermionR FermionActionD;
typedef MobiusFermionF FermionActionF;
typedef DirichletFermionOperator<WilsonImplR> DirichletFermionD;
typedef DirichletFermionOperator<WilsonImplF> DirichletFermionF;
typedef MobiusEOFAFermionR FermionEOFAAction;
typedef typename FermionActionD::FermionField FermionFieldD;
typedef typename FermionActionF::FermionField FermionFieldF;
typedef SchurDiagMooeeOperator<FermionOperator<FimplF>,FermionFieldF> LinearOperatorF;
typedef SchurDiagMooeeOperator<FermionOperator<FimplD>,FermionFieldD> LinearOperatorD;
typedef SchurDiagMooeeDagOperator<FermionOperator<FimplF>,FermionFieldF> LinearOperatorDagF;
typedef SchurDiagMooeeDagOperator<FermionOperator<FimplD>,FermionFieldD> LinearOperatorDagD;
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 = 6;
MD.trajL = 1.0;
HMCparameters HMCparams;
HMCparams.StartTrajectory = 26;
HMCparams.Trajectories = 1;
HMCparams.NoMetropolisUntil= 0;
// "[HotStart, ColdStart, TepidStart, CheckpointStart]\n";
// HMCparams.StartingType =std::string("ColdStart");
HMCparams.StartingType =std::string("CheckpointStart");
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_EOFA4D_lat";
CPparams.rng_prefix = "ckpoint_EOFA4D_rng";
CPparams.saveInterval = 1;
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);
// Momentum Dirichlet
Coordinate Block({0,0,0,16}); // Temporal only decomposition
TheHMC.Resources.SetMomentumFilter(new DDHMCFilter<WilsonImplR::Field>(Block));
// Construct observables
// here there is too much indirection
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
TheHMC.Resources.AddObservable<PlaqObs>();
//////////////////////////////////////////////
const int Ls = 16;
Real beta = 2.13;
Real light_mass = 0.01;
Real pv_mass = 1.0;
RealD M5 = 1.8;
RealD b = 1.0;
RealD c = 0.0;
std::vector<Real> hasenbusch({ 0.15, 0.4, 0.7 });
auto GridPtr = TheHMC.Resources.GetCartesian();
auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
auto FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,GridPtr);
auto FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,GridPtr);
Coordinate latt = GridDefaultLatt();
Coordinate mpi = GridDefaultMpi();
Coordinate simdF = GridDefaultSimd(Nd,vComplexF::Nsimd());
Coordinate simdD = GridDefaultSimd(Nd,vComplexD::Nsimd());
auto GridPtrF = SpaceTimeGrid::makeFourDimGrid(latt,simdF,mpi);
auto GridRBPtrF = SpaceTimeGrid::makeFourDimRedBlackGrid(GridPtrF);
auto FGridF = SpaceTimeGrid::makeFiveDimGrid(Ls,GridPtrF);
auto FrbGridF = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,GridPtrF);
IwasakiGaugeActionR GaugeAction(beta);
// temporarily need a gauge field
LatticeGaugeField U(GridPtr);
LatticeGaugeFieldF UF(GridPtrF);
// These lines are unecessary if BC are all periodic
std::vector<Complex> boundary = {1,1,1,-1};
FermionActionD::ImplParams Params(boundary);
FermionActionD::ImplParams DirichletParams(boundary);
DirichletParams.locally_periodic=true;
double ActionStoppingCondition = 1e-10;
double DerivativeStoppingCondition = 1e-8;
double BoundaryDerivativeStoppingCondition = 1e-6;
double MaxCGIterations = 30000;
////////////////////////////////////
// Collect actions
////////////////////////////////////
ActionLevel<HMCWrapper::Field> Level1(1);
ActionLevel<HMCWrapper::Field> Level2(1);
ActionLevel<HMCWrapper::Field> Level3(8);
ConjugateGradient<FermionFieldD> ActionCG(ActionStoppingCondition,MaxCGIterations);
ConjugateGradient<FermionFieldD> DerivativeCG(DerivativeStoppingCondition,MaxCGIterations);
////////////////////////////////////
// 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);
//////////////////////////////////////////////////////////////
// Forced to replicate the MxPCG and DenominatorsF etc.. because
// there is no convenient way to "Clone" physics params from double op
// into single op for any operator pair.
// Same issue prevents using MxPCG in the Heatbath step
//////////////////////////////////////////////////////////////
/////////////////////////////////////////////////
// These are consumed/owned by the Dirichlet wrappers
/////////////////////////////////////////////////
std::vector<FermionActionD *> DNumeratorsD;
std::vector<FermionActionF *> DNumeratorsF;
std::vector<FermionActionD *> DDenominatorsD;
std::vector<FermionActionF *> DDenominatorsF;
/////////////////////////////////////////////////
// Dirichlet wrappers
/////////////////////////////////////////////////
std::vector<DirichletFermionD *> DirichletNumeratorsD;
std::vector<DirichletFermionF *> DirichletNumeratorsF;
std::vector<DirichletFermionD *> DirichletDenominatorsD;
std::vector<DirichletFermionF *> DirichletDenominatorsF;
std::vector<TwoFlavourEvenOddRatioPseudoFermionAction<FimplD> *> Quotients;
std::vector<DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion<FimplD,FimplF> *> BoundaryQuotients;
typedef MixedPrecisionConjugateGradientOperatorFunction<FermionOperatorD,
FermionOperatorF,
LinearOperatorD,
LinearOperatorF> MxPCG;
std::vector<MxPCG *> ActionMPCG;
std::vector<MxPCG *> MPCG;
std::vector<LinearOperatorD *> LinOpD;
std::vector<LinearOperatorF *> LinOpF;
const int MX_inner = 1000;
const RealD MX_tol = 1.0e-6;
for(int h=0;h<n_hasenbusch+1;h++){
std::cout << GridLogMessage << " 2f quotient Action "<< light_num[h] << " / " << light_den[h]<< std::endl;
DNumeratorsD.push_back (new FermionActionD(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_num[h],M5,b,c, DirichletParams));
DNumeratorsF.push_back (new FermionActionF(UF,*FGridF,*FrbGridF,*GridPtrF,*GridRBPtrF,light_num[h],M5,b,c, DirichletParams));
DDenominatorsD.push_back(new FermionActionD(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_den[h],M5,b,c, DirichletParams));
DDenominatorsF.push_back(new FermionActionF(UF,*FGridF,*FrbGridF,*GridPtrF,*GridRBPtrF,light_den[h],M5,b,c, DirichletParams));
DirichletNumeratorsD.push_back (new DirichletFermionD(*DNumeratorsD[h],Block));
DirichletNumeratorsF.push_back (new DirichletFermionF(*DNumeratorsF[h],Block));
DirichletDenominatorsD.push_back(new DirichletFermionD(*DDenominatorsD[h],Block));
DirichletDenominatorsF.push_back(new DirichletFermionF(*DDenominatorsF[h],Block));
// Dirichlet Schur even odd MpsDagMpc operators on local domains
LinOpD.push_back(new LinearOperatorD(*DirichletDenominatorsD[h]));
LinOpF.push_back(new LinearOperatorF(*DirichletDenominatorsF[h]));
// Derivative
MPCG.push_back(new MxPCG(DerivativeStoppingCondition, MX_tol,
MX_inner,
MaxCGIterations,
FrbGridF,
*DirichletDenominatorsF[h],*DirichletDenominatorsD[h],
*LinOpF[h], *LinOpD[h]) );
// Action
ActionMPCG.push_back(new MxPCG(ActionStoppingCondition, MX_tol,
MX_inner,
MaxCGIterations,
FrbGridF,
*DirichletDenominatorsF[h],*DirichletDenominatorsD[h],
*LinOpF[h], *LinOpD[h]) );
////////////////////////////////////////////////////////////////////////////
// Standard CG for 2f force
////////////////////////////////////////////////////////////////////////////
Quotients.push_back (new
TwoFlavourEvenOddRatioPseudoFermionAction<FimplD>
(*DirichletNumeratorsD[h],
*DirichletDenominatorsD[h],
*ActionMPCG[h],
*ActionMPCG[h],
ActionCG));
Level2.push_back(Quotients[h]);
}
/////////////////////////////////////////////////////////////
// Boundary action
/////////////////////////////////////////////////////////////
int l_idx = 0;
int pv_idx = n_hasenbusch;
std::cout << GridLogMessage<<" Boundary action masses " <<light_num[l_idx]<<" / "<<light_den[pv_idx]<<std::endl;
FermionActionD PeriNumeratorD (U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_num[pv_idx],M5,b,c, Params);
FermionActionD PeriDenominatorD(U,*FGrid,*FrbGrid,*GridPtr,*GridRBPtr,light_den[l_idx] ,M5,b,c, Params);
FermionActionF PeriNumeratorF (UF,*FGridF,*FrbGridF,*GridPtrF,*GridRBPtrF,light_num[pv_idx],M5,b,c, Params);
FermionActionF PeriDenominatorF(UF,*FGridF,*FrbGridF,*GridPtrF,*GridRBPtrF,light_den[l_idx] ,M5,b,c, Params);
DirichletFermionD & DirichletNumeratorD = *DirichletNumeratorsD[pv_idx];
DirichletFermionF & DirichletNumeratorF = *DirichletNumeratorsF[pv_idx];
DirichletFermionD & DirichletDenominatorD= *DirichletDenominatorsD[l_idx];
DirichletFermionF & DirichletDenominatorF= *DirichletDenominatorsF[l_idx];
SchurFactoredFermionOperator<FimplD,FimplF> BoundaryNumerator(PeriNumeratorD,PeriNumeratorF,
DirichletNumeratorD,DirichletNumeratorF,
Block);
SchurFactoredFermionOperator<FimplD,FimplF> BoundaryDenominator(PeriDenominatorD,PeriDenominatorF,
DirichletDenominatorD,DirichletDenominatorF,
Block);
Level1.push_back(new
DomainDecomposedBoundaryTwoFlavourRatioPseudoFermion<FimplD,FimplF>
(BoundaryNumerator,
BoundaryDenominator,
BoundaryDerivativeStoppingCondition,ActionStoppingCondition,MX_tol));
/////////////////////////////////////////////////////////////
// Gauge action
/////////////////////////////////////////////////////////////
Level3.push_back(&GaugeAction);
TheHMC.TheAction.push_back(Level1);
TheHMC.TheAction.push_back(Level2);
TheHMC.TheAction.push_back(Level3);
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
View Git Blame Copy Permalink