MPI/exMPI02/exMPI02.cc

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0025 /// @file exMPI02.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 "G4ScoringManager.hh"
0043 #include "G4UImanager.hh"
0044 #include "G4VisExecutive.hh"
0045 int main(int argc, char** argv)
0046 {
0047   // --------------------------------------------------------------------
0048   // MPI session
0049   // --------------------------------------------------------------------
0050   // At first, G4MPImanager/G4MPIsession should be created.
0051   G4MPImanager* g4MPI = new G4MPImanager(argc, argv);
0052
0053   // MPI session (G4MPIsession) instead of G4UIterminal
0054   // Terminal availability depends on your MPI implementation.
0055   G4MPIsession* session = g4MPI->GetMPIsession();
0056
0057   // LAM/MPI users can use G4tcsh.
0058   G4String prompt = "[40;01;33m";
0059   prompt += "G4MPI";
0060   prompt += "[40;31m(%s)[40;36m[%/][00;30m:";
0061   session->SetPrompt(prompt);
0062
0063   // --------------------------------------------------------------------
0064   // user application setting
0065   // --------------------------------------------------------------------
0066 #ifdef G4MULTITHREADED_DISABLE  // ROOT ISSUES WITH MT, SEE exMPI03 FOR A MT
0067   G4MTRunManager* runManager = new G4MTRunManager();
0068   runManager->SetNumberOfThreads(4);
0069 #else
0070   G4RunManager* runManager = new G4RunManager();
0071 #endif
0072
0073   // setup your application
0074   runManager->SetUserInitialization(new DetectorConstruction);
0075   runManager->SetUserInitialization(new FTFP_BERT);
0076   runManager->SetUserInitialization(new ActionInitialization);
0077
0078   runManager->Initialize();
0079
0080   G4VisExecutive* visManager = new G4VisExecutive;
0081   visManager->Initialize();
0082   G4cout << G4endl;
0083
0084   // --------------------------------------------------------------------
0085   // ready for go
0086   // MPIsession treats both interactive and batch modes.
0087   // Just start your session as below.
0088   // --------------------------------------------------------------------
0089   session->SessionStart();
0090
0091   // --------------------------------------------------------------------
0092   // termination
0093   // --------------------------------------------------------------------
0094   delete visManager;
0095
0096   delete g4MPI;
0097
0098   delete runManager;
0099
0100   return EXIT_SUCCESS;
0101 }