Gabriele Cosmo
73 lines
2.9 KiB
C++
73 lines
2.9 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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// Class for configuring G4analysis for merging ntuples via MPI
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//
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// Author: Ivana Hrivnacova, 21/11/2018 (ivana@ipno.in2p3.fr)
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#include "G4MPIntupleMerger.hh"
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#include "G4RootMpiAnalysisManager.hh"
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#include "G4ios.hh"
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#include "toolx/mpi/wrmpi"
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#include <mpi.h>
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G4MPIntupleMerger::G4MPIntupleMerger(G4int nofReducedNtupleFiles,
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G4bool rowWise, G4bool rowMode)
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{
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// Configure MPI using G4MPImanager
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// G4cout << "Start configure ntuple MPI merging" << G4endl;
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// Create MPI Root analysis manager
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G4bool isMaster = true;
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auto analysisManager
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= new G4RootMpiAnalysisManager(isMaster);
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analysisManager->SetVerboseLevel(1);
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// G4cout << "Start configure ntuple MPI merging" << G4endl;
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// Get communicator
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G4MPImanager* mpiManager = G4MPImanager::GetManager();
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G4int mpiRank = mpiManager->GetRank();
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G4int mpiSize = mpiManager->GetActiveSize();
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auto comm = mpiManager->GetAllComm();
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// G4int tag = G4MPImanager::kTAG_NTUPLE;
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fWrmpi = new toolx::mpi::wrmpi(G4cout, *comm);
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analysisManager->SetMpiNtupleMerging(
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fWrmpi, mpiRank, mpiSize, nofReducedNtupleFiles);
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analysisManager->SetNtupleRowWise(rowWise, rowMode);
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// G4cout << "End configure ntuple MPI merging" << G4endl;
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}
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G4MPIntupleMerger::~G4MPIntupleMerger()
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{
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delete fWrmpi;
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}
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