mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-14 17:55:38 +00:00
81 lines
2.5 KiB
C++
81 lines
2.5 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 <iostream>
|
|
#include <sstream>
|
|
#include <string>
|
|
|
|
namespace Grid {
|
|
namespace QCD {
|
|
|
|
// Only for Gauge fields
|
|
template <class Gimpl>
|
|
class NerscHmcCheckpointer : public BaseHmcCheckpointer<Gimpl> {
|
|
private:
|
|
CheckpointerParameters Params;
|
|
|
|
public:
|
|
INHERIT_GIMPL_TYPES(Gimpl); // only for gauge configurations
|
|
|
|
NerscHmcCheckpointer(const CheckpointerParameters &Params_) { initialize(Params_); }
|
|
|
|
void initialize(const CheckpointerParameters &Params_) {
|
|
Params = Params_;
|
|
Params.format = "IEEE64BIG"; // fixed, overwrite any other choice
|
|
}
|
|
|
|
void TrajectoryComplete(int traj, GaugeField &U, GridSerialRNG &sRNG,
|
|
GridParallelRNG &pRNG) {
|
|
if ((traj % Params.saveInterval) == 0) {
|
|
std::string config, rng;
|
|
this->build_filenames(traj, Params, config, rng);
|
|
|
|
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 config, rng;
|
|
this->build_filenames(traj, Params, config, rng);
|
|
|
|
FieldMetaData header;
|
|
NerscIO::readRNGState(sRNG, pRNG, header, rng);
|
|
NerscIO::readConfiguration(U, header, config);
|
|
};
|
|
};
|
|
}
|
|
}
|
|
#endif
|