portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-13 04:37:05 +01:00
Code Releases Activity

Exposing support for Ncolours and Ndimensions and JSON input file for the ScalarAction

Browse Source
This commit is contained in:
Guido Cossu
2017-05-05 17:36:43 +01:00
parent 8546d01a4c
commit 741bc836f6
7 changed files with 168 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
tests/hmc/Test_hmc_ScalarActionNxN.cc
View File

@ -32,68 +32,116 @@ class ScalarActionParameters : Serializable {
GRID_SERIALIZABLE_CLASS_MEMBERS(ScalarActionParameters,
double, mass_squared,
double, lambda);
template <class ReaderClass >
ScalarActionParameters(Reader<ReaderClass>& Reader){
read(Reader, "ScalarAction", *this);
}
};
}
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::QCD;
typedef Grid::JSONReader Serialiser;
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 ScalarAdjGenericHMCRunner HMCWrapper; // Uses the default minimum norm, real scalar fields
constexpr int Ncolours = 4;
constexpr int Ndimensions = 3;
typedef ScalarNxNAdjGenericHMCRunner<Ncolours> HMCWrapper; // Uses the default minimum norm, real scalar fields
typedef ScalarAdjActionR<Ncolours, Ndimensions> ScalarAction;
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
HMCWrapper TheHMC;
TheHMC.ReadCommandLine(argc, argv);
if (TheHMC.ParameterFile.empty()){
std::cout << "Input file not specified."
<< "Use --ParameterFile option in the command line.\nAborting"
<< std::endl;
exit(1);
}
Serialiser Reader(TheHMC.ParameterFile);
// Grid from the command line
GridModule ScalarGrid;
ScalarGrid.set_full(SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi()));
ScalarGrid.set_rb(SpaceTimeGrid::makeFourDimRedBlackGrid(ScalarGrid.get_full()));
if (GridDefaultLatt().size() != Ndimensions){
std::cout << "Incorrect dimension of the grid\n. Expected dim="<< Ndimensions << std::endl;
exit(1);
}
if (GridDefaultMpi().size() != Ndimensions){
std::cout << "Incorrect dimension of the mpi grid\n. Expected dim="<< Ndimensions << std::endl;
exit(1);
}
ScalarGrid.set_full(new GridCartesian(GridDefaultLatt(),GridDefaultSimd(Ndimensions, vComplex::Nsimd()),GridDefaultMpi()));
ScalarGrid.set_rb(new GridRedBlackCartesian(ScalarGrid.get_full()));
TheHMC.Resources.AddGrid("scalar", ScalarGrid);
// Possibile to create the module by hand
// hardcoding parameters or using a Reader
std::cout << "Lattice size : " << GridDefaultLatt() << std::endl;
// Checkpointer definition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_scalar_lat";
CPparams.rng_prefix = "ckpoint_scalar_rng";
CPparams.saveInterval = 50;
CPparams.format = "IEEE64BIG";
CheckpointerParameters CPparams(Reader);
TheHMC.Resources.LoadBinaryCheckpointer(CPparams);
RNGModuleParameters RNGpar;
RNGpar.serial_seeds = "1 2 3 4 5";
RNGpar.parallel_seeds = "6 7 8 9 10";
RNGModuleParameters RNGpar(Reader);
TheHMC.Resources.SetRNGSeeds(RNGpar);
/////////////////////////////////////////////////////////////
// Collect actions, here use more encapsulation
// Scalar action in adjoint representation
ScalarActionParameters SPar;
SPar.mass_squared = 0.5;
SPar.lambda = 0.1;
ScalarAdjActionR Saction(SPar.mass_squared, SPar.lambda);
ScalarActionParameters SPar(Reader);
ScalarAction Saction(SPar.mass_squared, SPar.lambda);
// Collect actions
ActionLevel<ScalarAdjActionR::Field, ScalarMatrixFields> Level1(1);
ActionLevel<ScalarAction::Field, ScalarNxNMatrixFields<Ncolours>> Level1(1);
Level1.push_back(&Saction);
TheHMC.TheAction.push_back(Level1);
/////////////////////////////////////////////////////////////
TheHMC.Parameters.initialize(Reader);
// HMC parameters are serialisable
TheHMC.Parameters.MD.MDsteps = 20;
TheHMC.Parameters.MD.trajL = 1.0;
TheHMC.ReadCommandLine(argc, argv);
TheHMC.Run();
Grid_finalize();
} // main
/* Examples for input files
JSON
{
"Checkpointer": {
"config_prefix": "ckpoint_scalar_lat",
"rng_prefix": "ckpoint_scalar_rng",
"saveInterval": 1,
"format": "IEEE64BIG"
},
"RandomNumberGenerator": {
"serial_seeds": "1 2 3 4 6",
"parallel_seeds": "6 7 8 9 11"
},
"ScalarAction":{
"mass_squared": 0.5,
"lambda": 0.1
},
"HMC":{
"StartTrajectory": 0,
"Trajectories": 100,
"MetropolisTest": true,
"NoMetropolisUntil": 10,
"StartingType": "HotStart",
"MD":{
"name": "MinimumNorm2",
"MDsteps": 15,
"trajL": 2.0
}
}
}
XML example not provided yet
*/