pythonMPI/src/ScriptMPI.cpp


/* $Id$ */

/*******************************************************
 *
 *           Copyright 2003-2007 by ACceSS MNRF
 *       Copyright 2007 by University of Queensland
 *
 *                http://esscc.uq.edu.au
 *        Primary Business: Queensland, Australia
 *  Licensed under the Open Software License version 3.0
 *     http://www.opensource.org/licenses/osl-3.0.php
 *
 *******************************************************/

#include <Python.h>
#include <mpi.h>
#include <iostream>
#include <stdexcept>

extern "C"{
#include "paso/Paso_MPI.h"
}
#ifdef PASO_MPI

int main( int argc, char **argv ) {
  int status = 0;
  int provided;
  Paso_MPIInfo *mpi_info=NULL;
  try
  {
    /*
     * Initialise MPI
     */
    status = MPI_Init(&argc, &argv);
    if (status != MPI_SUCCESS) {
      std::cerr << argv[0] << ": MPI_Init failed, exiting." << std::endl;
      return status;
    }
    mpi_info = Paso_MPIInfo_alloc( MPI_COMM_WORLD );

    if( mpi_info->rank )
    {
      char fname[256];
      sprintf( fname, "stdout_cpu_%04d.out", mpi_info->rank );
      FILE *fp_out = freopen( fname, "w+", stdout );
      sprintf( fname, "stdout_cpu_%04d.err", mpi_info->rank );
      FILE *fp_err = freopen( fname, "w+", stderr );
    }
    /*
     * Start the python parser
     */
    status = Py_Main(argc, argv);
  
    /*
     * Finalise MPI for a clean exit.
     */
    MPI_Finalize();

    Paso_MPIInfo_free( mpi_info );
  }
  catch (std::runtime_error &e)
  {
    std::cerr << "EXCEPTION: " << e.what() << std::endl;
    throw;
  }
  catch (char *e)
  {
    std::cerr << "EXCEPTION: " << e << std::endl;
    throw;
  }
  catch (...)
  {
    std::cerr << "EXCEPTION: " << "UNKNOWN." << std::endl;
    throw;
  }

  return status;
}

#else
int main( int argc, char **argv ) {
    printf( "Esys must be compiled with PASO_MPI defined to make the MPI version available\n\n" );
    return 0;
}
#endif
1
2	/* $Id$ */
3
4	/*******************************************************
5	*
6	* Copyright 2003-2007 by ACceSS MNRF
7	* Copyright 2007 by University of Queensland
8	*
9	* http://esscc.uq.edu.au
10	* Primary Business: Queensland, Australia
11	* Licensed under the Open Software License version 3.0
12	* http://www.opensource.org/licenses/osl-3.0.php
13	*
14	*******************************************************/
15
16	#include <Python.h>
17	#include <mpi.h>
18	#include <iostream>
19	#include <stdexcept>
20
21	extern "C"{
22	#include "paso/Paso_MPI.h"
23	}
24	#ifdef PASO_MPI
25
26	int main( int argc, char **argv ) {
27	int status = 0;
28	int provided;
29	Paso_MPIInfo *mpi_info=NULL;
30	try
31	{
32	/*
33	* Initialise MPI
34	*/
35	status = MPI_Init(&argc, &argv);
36	if (status != MPI_SUCCESS) {
37	std::cerr << argv[0] << ": MPI_Init failed, exiting." << std::endl;
38	return status;
39	}
40	mpi_info = Paso_MPIInfo_alloc( MPI_COMM_WORLD );
41
42	if( mpi_info->rank )
43	{
44	char fname[256];
45	sprintf( fname, "stdout_cpu_%04d.out", mpi_info->rank );
46	FILE *fp_out = freopen( fname, "w+", stdout );
47	sprintf( fname, "stdout_cpu_%04d.err", mpi_info->rank );
48	FILE *fp_err = freopen( fname, "w+", stderr );
49	}
50	/*
51	* Start the python parser
52	*/
53	status = Py_Main(argc, argv);
54
55	/*
56	* Finalise MPI for a clean exit.
57	*/
58	MPI_Finalize();
59
60	Paso_MPIInfo_free( mpi_info );
61	}
62	catch (std::runtime_error &e)
63	{
64	std::cerr << "EXCEPTION: " << e.what() << std::endl;
65	throw;
66	}
67	catch (char *e)
68	{
69	std::cerr << "EXCEPTION: " << e << std::endl;
70	throw;
71	}
72	catch (...)
73	{
74	std::cerr << "EXCEPTION: " << "UNKNOWN." << std::endl;
75	throw;
76	}
77
78	return status;
79	}
80
81	#else
82	int main( int argc, char **argv ) {
83	printf( "Esys must be compiled with PASO_MPI defined to make the MPI version available\n\n" );
84	return 0;
85	}
86	#endif