2 /* Creator: Bronis R. de Supinski (bronis@llnl.gov) */
3 /* no-error-vector-isend.c - use isend with vector type; touch holes */
7 "$Header: /usr/gapps/asde/cvs-vault/umpire/tests/no-error-vector-isend.c,v 1.1 2002/06/07 20:41:22 bronis Exp $";
18 main (int argc, char **argv)
22 int comm = MPI_COMM_WORLD;
23 char processor_name[128];
29 MPI_Datatype strided_type;
32 MPI_Init (&argc, &argv);
33 MPI_Comm_size (comm, &nprocs);
34 MPI_Comm_rank (comm, &rank);
35 MPI_Get_processor_name (processor_name, &namelen);
36 printf ("(%d) is alive on %s\n", rank, processor_name);
39 MPI_Type_vector (buf_size/2, 1, 2, MPI_INT, &strided_type);
40 MPI_Type_commit (&strided_type);
42 MPI_Barrier(MPI_COMM_WORLD);
45 for (i = 0; i < buf_size; i = i + 2)
48 MPI_Isend (&buf[rank], 1, strided_type, (rank + 1) % 2, 0, comm, &req);
50 for (i = 1; i < buf_size; i = i + 2)
53 MPI_Wait (&req, &status);
55 for (i = 0; i < buf_size; i++)
59 for (i = 1; i < buf_size; i = i + 2)
62 MPI_Recv (&buf[(rank + 1) % 2], 1,
63 strided_type, (rank + 1) % 2, 0, comm, &status);
65 for (i = 0; i < buf_size; i++)
69 MPI_Barrier(MPI_COMM_WORLD);
71 MPI_Type_free (&strided_type);
74 printf ("(%d) Finished normally\n", rank);