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geant4/examples/extended/parallel/MPI/source/analysis/include/G4RootMpiAnalysisManager.hh
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2018-12-07 15:15:39 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
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// ********************************************************************
//
// The Root analysis manager extension for MPI
// This class is temporarily provided with g4mpi,
// it will be integrated in Geant4 analysis category in future.
//
// Author: Ivana Hrivnacova, 21/11/2018 (ivana@ipno.in2p3.fr)
#ifndef G4RootMpiAnalysisManager_h
#define G4RootMpiAnalysisManager_h 1
#include "G4RootAnalysisManager.hh"
enum class G4MpiNtupleMergeMode {
kNone,
kMain,
kSlave
};
class G4RootMpiPNtupleManager;
class G4RootMpiAnalysisManager : public G4RootAnalysisManager
{
public:
explicit G4RootMpiAnalysisManager(G4bool isMaster = true);
virtual ~G4RootMpiAnalysisManager();
// MPI
void SetMpiNtupleMerging(tools::impi* impi,
G4int mpiRank, G4int mpiSize,
G4int nofReducedNtupleFiles = 0,
G4bool rowWise = false,
unsigned int basketSize = fgkDefaultBasketSize);
protected:
// virtual methods from base class
virtual G4bool OpenFileImpl(const G4String& fileName) final;
virtual G4bool CloseFileImpl(G4bool reset) final;
virtual G4bool WriteNtuple() final;
virtual G4bool Reset() final;
private:
// methods
void SetMpiNtupleMergingMode(G4int mpiRank, G4int mpiSize, G4int nofNtupleFiles);
void CreateMpiNtupleManagers(tools::impi* impi, G4int mpiRank, G4int mpiSize);
// data members
G4MpiNtupleMergeMode fMpiNtupleMergeMode;
G4RootMpiPNtupleManager* fMpiSlaveNtupleManager;
};
#endif