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Added Scalar action for fields in the adjoint representation

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This commit is contained in:
Guido Cossu
2017-03-14 14:55:18 +09:00
parent b3dede4dd3
commit 831ca4e3bf
7 changed files with 227 additions and 121 deletions
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tests/hmc/Test_hmc_ScalarActionNxN.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
Copyright (C) 2016
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>
namespace Grid{
class ScalarActionParameters : Serializable {
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(ScalarActionParameters,
double, mass_squared,
double, lambda);
};
}
int main(int argc, char **argv) {
using namespace Grid;
using namespace Grid::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;
// Typedefs to simplify notation
typedef ScalarAdjGenericHMCRunner HMCWrapper; // Uses the default minimum norm, real scalar fields
//::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
HMCWrapper TheHMC;
// 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()));
TheHMC.Resources.AddGrid("scalar", ScalarGrid);
// Possibile to create the module by hand
// hardcoding parameters or using a Reader
// Checkpointer definition
CheckpointerParameters CPparams;
CPparams.config_prefix = "ckpoint_scalar_lat";
CPparams.rng_prefix = "ckpoint_scalar_rng";
CPparams.saveInterval = 50;
CPparams.format = "IEEE64BIG";
TheHMC.Resources.LoadBinaryCheckpointer(CPparams);
RNGModuleParameters RNGpar;
RNGpar.serial_seeds = "1 2 3 4 5";
RNGpar.parallel_seeds = "6 7 8 9 10";
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);
// Collect actions
ActionLevel<ScalarAdjActionR::Field, ScalarMatrixFields> Level1(1);
Level1.push_back(&Saction);
TheHMC.TheAction.push_back(Level1);
/////////////////////////////////////////////////////////////
// HMC parameters are serialisable
TheHMC.Parameters.MD.MDsteps = 10;
TheHMC.Parameters.MD.trajL = 1.0;
TheHMC.ReadCommandLine(argc, argv);
TheHMC.Run();
Grid_finalize();
} // main