MPI/exMPI01/exMPI01.cc

0001 //
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0024 // ********************************************************************
0025 /// @file exMPI01.cc
0026 //
0027 /// @brief A MPI example code
0028
0029 #include "G4MPImanager.hh"
0030 #include "G4MPIsession.hh"
0031
0032 #ifdef G4MULTITHREADED
0033 #  include "G4MTRunManager.hh"
0034 #else
0035 #  include "G4RunManager.hh"
0036 #endif
0037
0038 #include "ActionInitialization.hh"
0039 #include "DetectorConstruction.hh"
0040 #include "FTFP_BERT.hh"
0041
0042 #include "G4UImanager.hh"
0043 #include "G4VisExecutive.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 int main(int argc, char** argv)
0048 {
0049   // random engine
0050   CLHEP::MTwistEngine randomEngine;
0051   G4Random::setTheEngine(&randomEngine);
0052
0053   // --------------------------------------------------------------------
0054   // MPI session
0055   // --------------------------------------------------------------------
0056   // At first, G4MPImanager/G4MPIsession should be created.
0057   G4MPImanager* g4MPI = new G4MPImanager(argc, argv);
0058
0059   // MPI session (G4MPIsession) instead of G4UIterminal
0060   // Terminal availability depends on your MPI implementation.
0061   G4MPIsession* session = g4MPI->GetMPIsession();
0062
0063   // LAM/MPI users can use G4tcsh.
0064   G4String prompt = "[40;01;33m";
0065   prompt += "G4MPI";
0066   prompt += "[40;31m(%s)[40;36m[%/][00;30m:";
0067   session->SetPrompt(prompt);
0068
0069   // --------------------------------------------------------------------
0070   // user application setting
0071   // --------------------------------------------------------------------
0072 #ifdef G4MULTITHREADED
0073   G4MTRunManager* runManager = new G4MTRunManager();
0074   runManager->SetNumberOfThreads(4);
0075 #else
0076   G4RunManager* runManager = new G4RunManager();
0077 #endif
0078
0079   // setup your application
0080   runManager->SetUserInitialization(new DetectorConstruction);
0081   runManager->SetUserInitialization(new FTFP_BERT);
0082   runManager->SetUserInitialization(new ActionInitialization);
0083
0084   runManager->Initialize();
0085
0086   G4VisExecutive* visManager = new G4VisExecutive;
0087   visManager->Initialize();
0088   G4cout << G4endl;
0089
0090   // --------------------------------------------------------------------
0091   // ready for go
0092   // MPIsession treats both interactive and batch modes.
0093   // Just start your session as below.
0094   // --------------------------------------------------------------------
0095   session->SessionStart();
0096
0097   // --------------------------------------------------------------------
0098   // termination
0099   // --------------------------------------------------------------------
0100   delete visManager;
0101
0102   delete g4MPI;
0103
0104   delete runManager;
0105
0106   return EXIT_SUCCESS;
0107 }