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Adding Binrary IO, untested

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This commit is contained in:
Guido Cossu
2016-10-06 10:12:11 +01:00
parent d9b5fbd374
commit c065e454c3
6 changed files with 258 additions and 87 deletions
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202
lib/qcd/hmc/BinaryCheckpointer.h
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@ -1,106 +1,146 @@
/*************************************************************************************
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/hmc/NerscCheckpointer.h
Source file: ./lib/qcd/hmc/NerscCheckpointer.h
Copyright (C) 2015
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 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.
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.
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
See the full license in the file "LICENSE" in the top level distribution
directory
*************************************************************************************/
/* END LEGAL */
#ifndef BINARY_CHECKPOINTER
#define BINARY_CHECKPOINTER
#include <string>
#include <iostream>
#include <sstream>
#include <string>
namespace Grid {
namespace QCD {
namespace Grid{
namespace QCD{
template <class fobj, class sobj>
struct BinarySimpleUnmunger {
typedef typename getPrecision<fobj>::real_scalar_type fobj_stype;
typedef typename getPrecision<sobj>::real_scalar_type sobj_stype;
void operator()(sobj &in, fobj &out, uint32_t &csum) {
// take word by word and transform accoding to the status
fobj_stype* out_buffer = (fobj_stype*)&out;
sobj_stype* in_buffer = (sobj_stype*)&in;
size_t fobj_words = sizeof(out)/sizeof(fobj_stype);
size_t sobj_words = sizeof(in)/sizeof(sobj_stype);
assert(fobj_words == sobj_words);
for (unsigned int word = 0; word < sobj_words; word++)
out_buffer[word] = in_buffer[word]; // type conversion on the fly
BinaryIO::Uint32Checksum((uint32_t*)&out,sizeof(out),csum);
template<class fobj,class sobj>
struct BinarySimpleUnmunger{
void operator() (sobj &in,fobj &out,uint32_t &csum){
fobj = sobj;
csum =0;
};
};
template <class fobj, class sobj>
struct BinarySimpleMunger {
typedef typename getPrecision<fobj>::real_scalar_type fobj_stype;
typedef typename getPrecision<sobj>::real_scalar_type sobj_stype;
void operator()(sobj &out, fobj &in, uint32_t &csum) {
// take word by word and transform accoding to the status
fobj_stype* in_buffer = (fobj_stype*)&in;
sobj_stype* out_buffer = (sobj_stype*)&out;
size_t fobj_words = sizeof(in)/sizeof(fobj_stype);
size_t sobj_words = sizeof(out)/sizeof(sobj_stype);
assert(fobj_words == sobj_words);
for (unsigned int word = 0; word < sobj_words; word++)
out_buffer[word] = in_buffer[word]; // type conversion on the fly
BinaryIO::Uint32Checksum((uint32_t*)&in,sizeof(in),csum);
};
// Only for gauge fields
template<class Impl>
class BinaryHmcCheckpointer : public HmcObservable<typename Impl::Field> {
private:
std::string configStem;
std::string rngStem;
int SaveInterval;
public:
INHERIT_FIELD_TYPES(Impl); // The Field is a Lattice object
// Only for the main field in the hmc
template <class Impl>
class BinaryHmcCheckpointer : public HmcObservable<typename Impl::Field> {
private:
std::string configStem;
std::string rngStem;
int SaveInterval;
typedef typename Field::vector_object vobj;
typedef typename vobj::scalar_object sobj;
public:
INHERIT_FIELD_TYPES(Impl); // The Field is a Lattice object
BinaryHmcCheckpointer(std::string cf, std::string rn,int savemodulo) {
configStem = cf;
rngStem = rn;
SaveInterval= savemodulo;
};
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;
void TrajectoryComplete(int traj, Field &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();
}
BinaryHmcCheckpointer(std::string cf, std::string rn, int savemodulo, const std::string &format)
: configStem(cf),
rngStem(rn),
SaveInterval(savemodulo){};
int prec = getPrecision<Field>::value; //get precision of oject
std::string floating_point = "IEEE64BIG"; //default precision
if (prec == 1)
floating_point = "IEEE32BIG"
BinarySimpleUnmunger<sobj, sobj> munge;
BinaryIO::writeRNGSerial(sRNG, pRNG, rng, 0);
BinaryIO::writeObjectParallel<vobj, sobj>(U, config, munge, 0 ,floating_point);
void TrajectoryComplete(int traj, Field &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();
}
};
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);
};
// Save always in double precision
BinarySimpleUnmunger<sobj_double, sobj> munge;
BinaryIO::writeRNGSerial(sRNG, pRNG, rng, 0);
BinaryIO::writeObjectParallel<vobj, sobj_double>(U, config, munge, 0, format);
}
};
}}
void CheckpointRestore(int traj, Field &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();
}
BinarySimpleMunger<sobj_double, sobj> munge;
BinaryIO::readRNGSerial(sRNG, pRNG, rng, header);
BinaryIO::readObjectParallel<vobj, sobj_double>(U, config, munge, 0, format);
};
};
}
}
#endif