mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-10 07:55:35 +00:00
98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
|
|
Author: neo <cossu@post.kek.jp>
|
|
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;
|
|
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 GenericHMCRunner<MinimumNorm2> HMCWrapper; // Uses the default minimum norm
|
|
HMCWrapper TheHMC;
|
|
|
|
// Grid from the command line
|
|
TheHMC.Resources.AddFourDimGrid("gauge");
|
|
// Possibile to create the module by hand
|
|
// hardcoding parameters or using a Reader
|
|
|
|
|
|
// Checkpointer definition
|
|
CheckpointerParameters CPparams;
|
|
CPparams.config_prefix = "ckpoint_lat";
|
|
CPparams.rng_prefix = "ckpoint_rng";
|
|
CPparams.saveInterval = 20;
|
|
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);
|
|
|
|
ActionLevel<HMCWrapper::Field> Level1(1);
|
|
Level1.push_back(&Waction);
|
|
//Level1.push_back(WGMod.getPtr());
|
|
TheHMC.TheAction.push_back(Level1);
|
|
/////////////////////////////////////////////////////////////
|
|
|
|
// HMC parameters are serialisable
|
|
TheHMC.Parameters.MD.MDsteps = 20;
|
|
TheHMC.Parameters.MD.trajL = 1.0;
|
|
|
|
TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
|
|
TheHMC.Run(); // no smearing
|
|
|
|
Grid_finalize();
|
|
|
|
} // main
|