mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-14 01:35:36 +00:00
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./lib/qcd/hmc/NerscCheckpointer.h
|
|
|
|
Copyright (C) 2015
|
|
|
|
Author: paboyle <paboyle@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 */
|
|
#ifndef NERSC_CHECKPOINTER
|
|
#define NERSC_CHECKPOINTER
|
|
|
|
#include <string>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
|
|
namespace Grid{
|
|
namespace QCD{
|
|
|
|
|
|
template<class Gimpl>
|
|
class NerscHmcCheckpointer : public HmcObservable<typename Gimpl::GaugeField> {
|
|
private:
|
|
std::string configStem;
|
|
std::string rngStem;
|
|
int SaveInterval;
|
|
public:
|
|
INHERIT_GIMPL_TYPES(Gimpl);
|
|
|
|
NerscHmcCheckpointer(std::string cf, std::string rn,int savemodulo) {
|
|
configStem = cf;
|
|
rngStem = rn;
|
|
SaveInterval= savemodulo;
|
|
};
|
|
|
|
void TrajectoryComplete(int traj, GaugeField &U, GridSerialRNG &sRNG, GridParallelRNG & pRNG )
|
|
{
|
|
if ( (traj % SaveInterval)== 0 ) {
|
|
std::string rng; { std::ostringstream os; os << rngStem <<"."<< traj; rng = os.str(); }
|
|
std::string config;{ std::ostringstream os; os << configStem <<"."<< traj; config = os.str();}
|
|
|
|
int precision32=1;
|
|
int tworow =0;
|
|
NerscIO::writeRNGState(sRNG,pRNG,rng);
|
|
NerscIO::writeConfiguration(U,config,tworow,precision32);
|
|
}
|
|
};
|
|
|
|
void CheckpointRestore(int traj, GaugeField &U, GridSerialRNG &sRNG, GridParallelRNG & pRNG ){
|
|
|
|
std::string rng; { std::ostringstream os; os << rngStem <<"."<< traj; rng = os.str(); }
|
|
std::string config;{ std::ostringstream os; os << configStem <<"."<< traj; config = os.str();}
|
|
|
|
NerscField header;
|
|
NerscIO::readRNGState(sRNG,pRNG,header,rng);
|
|
NerscIO::readConfiguration(U,header,config);
|
|
};
|
|
|
|
};
|
|
}}
|
|
#endif
|