mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 17:25:37 +01:00
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/*************************************************************************************
|
|
|
|
Grid physics library, www.github.com/paboyle/Grid
|
|
|
|
Source file: ./lib/qcd/hmc/BinaryCheckpointer.h
|
|
|
|
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 */
|
|
#ifndef BINARY_CHECKPOINTER
|
|
#define BINARY_CHECKPOINTER
|
|
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <string>
|
|
|
|
namespace Grid {
|
|
namespace QCD {
|
|
|
|
// Simple checkpointer, only binary file
|
|
template <class Impl>
|
|
class BinaryHmcCheckpointer : public BaseHmcCheckpointer<Impl> {
|
|
private:
|
|
CheckpointerParameters Params;
|
|
|
|
public:
|
|
INHERIT_FIELD_TYPES(Impl); // Gets the Field type, a Lattice object
|
|
|
|
// Extract types from the Field
|
|
typedef typename Field::vector_object vobj;
|
|
typedef typename vobj::scalar_object sobj;
|
|
typedef typename getPrecision<sobj>::real_scalar_type sobj_stype;
|
|
typedef typename sobj::DoublePrecision sobj_double;
|
|
|
|
BinaryHmcCheckpointer(const CheckpointerParameters &Params_) {
|
|
initialize(Params_);
|
|
}
|
|
|
|
void initialize(const CheckpointerParameters &Params_) { Params = Params_; }
|
|
|
|
void truncate(std::string file) {
|
|
std::ofstream fout(file, std::ios::out);
|
|
fout.close();
|
|
}
|
|
|
|
void TrajectoryComplete(int traj, Field &U, GridSerialRNG &sRNG, GridParallelRNG &pRNG) {
|
|
|
|
if ((traj % Params.saveInterval) == 0) {
|
|
std::string config, rng;
|
|
this->build_filenames(traj, Params, config, rng);
|
|
|
|
uint32_t nersc_csum;
|
|
uint32_t scidac_csuma;
|
|
uint32_t scidac_csumb;
|
|
|
|
BinarySimpleUnmunger<sobj_double, sobj> munge;
|
|
truncate(rng);
|
|
BinaryIO::writeRNG(sRNG, pRNG, rng, 0,nersc_csum,scidac_csuma,scidac_csumb);
|
|
truncate(config);
|
|
|
|
BinaryIO::writeLatticeObject<vobj, sobj_double>(U, config, munge, 0, Params.format,
|
|
nersc_csum,scidac_csuma,scidac_csumb);
|
|
|
|
std::cout << GridLogMessage << "Written Binary Configuration " << config
|
|
<< " checksum " << std::hex
|
|
<< nersc_csum <<"/"
|
|
<< scidac_csuma <<"/"
|
|
<< scidac_csumb
|
|
<< std::dec << std::endl;
|
|
}
|
|
|
|
};
|
|
|
|
void CheckpointRestore(int traj, Field &U, GridSerialRNG &sRNG, GridParallelRNG &pRNG) {
|
|
std::string config, rng;
|
|
this->build_filenames(traj, Params, config, rng);
|
|
|
|
BinarySimpleMunger<sobj_double, sobj> munge;
|
|
|
|
uint32_t nersc_csum;
|
|
uint32_t scidac_csuma;
|
|
uint32_t scidac_csumb;
|
|
BinaryIO::readRNG(sRNG, pRNG, rng, 0,nersc_csum,scidac_csuma,scidac_csumb);
|
|
BinaryIO::readLatticeObject<vobj, sobj_double>(U, config, munge, 0, Params.format,
|
|
nersc_csum,scidac_csuma,scidac_csumb);
|
|
|
|
std::cout << GridLogMessage << "Read Binary Configuration " << config
|
|
<< " checksums " << std::hex << nersc_csum<<"/"<<scidac_csuma<<"/"<<scidac_csumb
|
|
<< std::dec << std::endl;
|
|
};
|
|
};
|
|
}
|
|
}
|
|
#endif
|