00007 {
00008 int rank, size;
00009 MPI_Init( &argc, &argv );
00010 MPI_Comm_size( MPI_COMM_WORLD, &size );
00011 MPI_Comm_rank( MPI_COMM_WORLD, &rank );
00012 printf( "Hello world from process %d of %d\n", rank, size );
00013 MPI_Finalize();
00014 return 0;
00015 }
