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52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
#ifndef NERSC_CHECKPOINTER
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#define NERSC_CHECKPOINTER
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#include <string>
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#include <iostream>
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#include <sstream>
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namespace Grid{
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namespace QCD{
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template<class GaugeField>
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class NerscHmcCheckpointer : public HmcObservable<GaugeField> {
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private:
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std::string configStem;
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std::string rngStem;
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int SaveInterval;
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public:
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NerscHmcCheckpointer(std::string cf, std::string rn,int savemodulo) {
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configStem = cf;
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rngStem = rn;
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SaveInterval= savemodulo;
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};
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void TrajectoryComplete(int traj, GaugeField &U, GridSerialRNG &sRNG, GridParallelRNG & pRNG )
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{
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if ( (traj % SaveInterval)== 0 ) {
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std::string rng; { std::ostringstream os; os << rngStem <<"."<< traj; rng = os.str(); }
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std::string config;{ std::ostringstream os; os << configStem <<"."<< traj; config = os.str();}
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int precision32=1;
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int tworow =0;
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NerscIO::writeRNGState(sRNG,pRNG,rng);
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NerscIO::writeConfiguration(U,config,tworow,precision32);
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}
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};
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void CheckpointRestore(int traj, GaugeField &U, GridSerialRNG &sRNG, GridParallelRNG & pRNG ){
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std::string rng; { std::ostringstream os; os << rngStem <<"."<< traj; rng = os.str(); }
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std::string config;{ std::ostringstream os; os << configStem <<"."<< traj; config = os.str();}
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NerscField header;
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NerscIO::readRNGState(sRNG,pRNG,header,rng);
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NerscIO::readConfiguration(U,header,config);
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};
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};
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}}
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#endif
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