Gabriele Cosmo
68 lines
2.8 KiB
C++
68 lines
2.8 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Merge G4analysis histogram objects via MPI
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//
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// History:
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// Jun 27, 2015 : Ivana Hrivnacova - new implementation using g4analysis
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#include "G4MPIhistoMerger.hh"
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#include "G4ios.hh"
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#include "tools/mpi/hmpi"
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#include <mpi.h>
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#include "G4VAnalysisManager.hh"
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G4MPIhistoMerger::G4MPIhistoMerger() :
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manager(0),destination(G4MPImanager::kRANK_MASTER),
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verboseLevel(0) {}
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G4MPIhistoMerger::G4MPIhistoMerger(G4VAnalysisManager* m,
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G4int dest, G4int v) : manager(m), destination(dest),verboseLevel(v) {}
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void G4MPIhistoMerger::Merge()
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{
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if ( verboseLevel > 0 ) {
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G4cout << "Starting merging of histograms" << G4endl;
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}
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MPI::Intracomm comm = MPI::COMM_WORLD.Dup();
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G4bool verbose = ( verboseLevel > 1 );
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G4int tag = G4MPImanager::kTAG_HISTO;
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//const MPI::Intracomm* comm = &COMM_G4COMMAND_;
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tools::mpi::hmpi* hmpi = new tools::mpi::hmpi(G4cout, destination, tag,
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comm, verbose);
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if ( ! manager->Merge(hmpi) ) {
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G4cout<<" Merge FAILED"<<G4endl;
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}
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delete hmpi;
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if ( verboseLevel > 0 ) {
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G4cout << "End merging of histograms" << G4endl;
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}
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comm.Free();
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}
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