2 /* Creator: Bronis R. de Supinski (bronis@llnl.gov) Thu Nov 30 2000 */
3 /* no-error3.c -- do some MPI calls without any errors */
11 main (int argc, char **argv)
16 char processor_name[128];
22 MPI_Init (&argc, &argv);
23 MPI_Comm_size (MPI_COMM_WORLD, &nprocs);
24 MPI_Comm_rank (MPI_COMM_WORLD, &rank);
25 MPI_Get_processor_name (processor_name, &namelen);
26 printf ("(%d) is alive on %s\n", rank, processor_name);
29 MPI_Barrier (MPI_COMM_WORLD);
32 printf ("not enough tasks\n");
36 for (i = 1; i < nprocs; i++) {
37 MPI_Recv (buf, buf_size, MPI_INT,
38 MPI_ANY_SOURCE, 0, MPI_COMM_WORLD, &status);
42 memset (buf, 1, buf_size);
44 MPI_Send (buf, buf_size, MPI_INT, 0, 0, MPI_COMM_WORLD);
48 MPI_Barrier (MPI_COMM_WORLD);
51 printf ("(%d) Finished normally\n", rank);