1 /* -*- Mode: C; c-basic-offset:4 ; -*- */
2 /*
3  *  (C) 2001 by Argonne National Laboratory.
4  *      See COPYRIGHT in top-level directory.
5  */
6 
7 #include <stdio.h>
8 #include "mpi.h"
9 
main(int argc,char * argv[])10 int main( int argc, char *argv[] )
11 {
12     int rank;
13     int size;
14 
15     MPI_Init( 0, 0 );
16     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
17     MPI_Comm_size(MPI_COMM_WORLD, &size);
18     printf( "Hello world from process %d of %d\n", rank, size );
19     MPI_Finalize();
20     return 0;
21 }
22