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Adding fermions actions support in the factories

This commit is contained in:
Guido Cossu
2017-01-19 10:00:02 +00:00
parent 23e0561dd6
commit 851f2ad8ef
12 changed files with 382 additions and 258 deletions

View File

@ -30,132 +30,110 @@ directory
/* END LEGAL */
#include <Grid/Grid.h>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
namespace Grid {
namespace QCD {
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;
class HMCRunnerParameters : Serializable {
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(HMCRunnerParameters,
double, beta,
double, mass,
int, MaxCGIterations,
double, StoppingCondition,
bool, smearedAction,
int, SaveInterval,
std::string, format,
std::string, conf_prefix,
std::string, rng_prefix,
double, rho,
int, SmearingLevels,
);
// Typedefs to simplify notation
typedef GenericHMCRunner<MinimumNorm2> HMCWrapper; // Uses the default minimum norm
typedef WilsonImplR FermionImplPolicy;
typedef WilsonFermionR FermionAction;
typedef typename FermionAction::FermionField FermionField;
HMCRunnerParameters() {}
};
// Derive from the BinaryHmcRunner (templated for gauge fields)
class HmcRunner : public BinaryHmcRunner {
public:
void BuildTheAction(int argc, char **argv)
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
HMCWrapper TheHMC;
{
typedef WilsonImplR ImplPolicy;
typedef WilsonFermionR FermionAction;
typedef typename FermionAction::FermionField FermionField;
// Grid from the command line
TheHMC.Resources.AddFourDimGrid("gauge");
// Possibile to create the module by hand
// hardcoding parameters or using a Reader
UGrid = SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi());
UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
FGrid = UGrid;
FrbGrid = UrbGrid;
// Checkpointer definition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_lat";
CPparams.rng_prefix = "ckpoint_rng";
CPparams.saveInterval = 5;
CPparams.format = "IEEE64BIG";
TheHMC.Resources.LoadBinaryCheckpointer(CPparams);
RNGModuleParameters RNGpar;
RNGpar.SerialSeed = {1,2,3,4,5};
RNGpar.ParallelSeed = {6,7,8,9,10};
TheHMC.Resources.SetRNGSeeds(RNGpar);
// Construct observables
// here there is too much indirection
PlaquetteObsParameters PlPar;
PlPar.output_prefix = "Plaquette";
PlaquetteMod<HMCWrapper::ImplPolicy> PlaqModule(PlPar);
TheHMC.Resources.AddObservable(&PlaqModule);
//////////////////////////////////////////////
/////////////////////////////////////////////////////////////
// Collect actions, here use more encapsulation
// need wrappers of the fermionic classes
// that have a complex construction
// standard
RealD beta = 5.6 ;
WilsonGaugeActionR Waction(beta);
// temporarily need a gauge field
LatticeGaugeField U(UGrid);
auto GridPtr = TheHMC.Resources.GetCartesian();
auto GridRBPtr = TheHMC.Resources.GetRBCartesian();
// Gauge action
WilsonGaugeActionR Waction(5.6);
LatticeGaugeField U(GridPtr);
Real mass = -0.77;
Real mass = -0.77;
// Can we define an overloaded operator that does not need U and initialises
// it with zeroes?
FermionAction FermOp(U, *FGrid, *FrbGrid, mass);
// Can we define an overloaded operator that does not need U and initialises
// it with zeroes?
FermionAction FermOp(U, *GridPtr, *GridRBPtr, mass);
ConjugateGradient<FermionField> CG(1.0e-8, 2000);
ConjugateGradient<FermionField> CG(1.0e-8, 2000);
TwoFlavourPseudoFermionAction<ImplPolicy> Nf2(FermOp, CG, CG);
TwoFlavourPseudoFermionAction<FermionImplPolicy> Nf2(FermOp, CG, CG);
// Set smearing (true/false), default: false
Nf2.is_smeared = false;
Nf2.is_smeared = false;
// Collect actions
ActionLevel<Field> Level1(1);
Level1.push_back(&Nf2);
ActionLevel<HMCWrapper::Field> Level1(1);
Level1.push_back(&Nf2);
ActionLevel<Field> Level2(4);
Level2.push_back(&Waction);
ActionLevel<HMCWrapper::Field> Level2(4);
Level2.push_back(&Waction);
TheAction.push_back(Level1);
TheAction.push_back(Level2);
TheHMC.TheAction.push_back(Level1);
TheHMC.TheAction.push_back(Level2);
/////////////////////////////////////////////////////////////
// Add observables
int SaveInterval = 1;
std::string format = std::string("IEEE64BIG");
std::string conf_prefix = std::string("ckpoint_lat");
std::string rng_prefix = std::string("ckpoint_rng");
BinaryHmcCheckpointer<BinaryHmcRunner::ImplPolicy> Checkpoint(
conf_prefix, rng_prefix, SaveInterval, format);
// Can implement also a specific function in the hmcrunner
// AddCheckpoint (...) that takes the same parameters + a string/tag
// defining the type of the checkpointer
// with tags can be implemented by overloading and no ifs
// Then force all checkpoint to have few common functions
// return an object that is then passed to the Run function
PlaquetteLogger<BinaryHmcRunner::ImplPolicy> PlaqLog(
std::string("Plaquette"));
ObservablesList.push_back(&PlaqLog);
ObservablesList.push_back(&Checkpoint);
// Smearing section, omit if not needed
/*
/*
double rho = 0.1; // smearing parameter
int Nsmear = 2; // number of smearing levels
Smear_Stout<BinaryHmcRunner::ImplPolicy> Stout(rho);
SmearedConfiguration<BinaryHmcRunner::ImplPolicy> SmearingPolicy(
Smear_Stout<HMCWrapper::ImplPolicy> Stout(rho);
SmearedConfiguration<HMCWrapper::ImplPolicy> SmearingPolicy(
UGrid, Nsmear, Stout);
*/
///////////////////
*/
// Run(argc, argv, Checkpoint, SmearingPolicy);
Run(argc, argv, Checkpoint); // no smearing
};
};
}
}
// HMC parameters are serialisable
TheHMC.Parameters.MD.MDsteps = 20;
TheHMC.Parameters.MD.trajL = 1.0;
int main(int argc, char **argv) {
Grid_init(&argc, &argv);
int threads = GridThread::GetThreads();
std::cout << GridLogMessage << "Grid is setup to use " << threads
<< " threads" << std::endl;
HmcRunner TheHMC;
// Seeds for the random number generators
std::vector<int> SerSeed({1, 2, 3, 4, 5});
std::vector<int> ParSeed({6, 7, 8, 9, 10});
TheHMC.RNGSeeds(SerSeed, ParSeed);
TheHMC.MDparameters.set(10, 1.0);// MDsteps, traj length
TheHMC.BuildTheAction(argc, argv);
TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
TheHMC.Run(); // no smearing
// TheHMC.Run(SmearingPolicy); // for smearing
Grid_finalize();
}
} // main

View File

@ -78,7 +78,7 @@ int main(int argc, char **argv) {
// standard
RealD beta = 5.6 ;
WilsonGaugeActionR Waction(beta);
ActionLevel<HMCWrapper::Field> Level1(1);
Level1.push_back(&Waction);
//Level1.push_back(WGMod.getPtr());
@ -89,7 +89,7 @@ int main(int argc, char **argv) {
TheHMC.Parameters.MD.MDsteps = 20;
TheHMC.Parameters.MD.trajL = 1.0;
TheHMC.ReadCommandLine(argc, argv); // these must be parameters from file
TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
TheHMC.Run(); // no smearing
Grid_finalize();