+++ /dev/null
-/* -*- Mode: C; -*- */
-/* Creator: Bronis R. de Supinski (bronis@llnl.gov) Fri Dec 20 2002 */
-
-/* comm-dup-no-error.c - "correctly" use many communicators... */
-
-#ifndef lint
-static char *rcsid =
- "$Header: /usr/gapps/asde/cvs-vault/umpire/tests/comm-dup-no-error.c,v 1.1 2003/01/13 18:31:47 bronis Exp $";
-#endif
-
-/* NOTE: Some value of ITERATIONS will imply resource exhaustion */
-/* either in Umpire or MPI no matter how things are implemented */
-/* the best we can hope for is to fail gracefully... */
-/* Approximately 4100 gets "ERROR: 0032-160 Too many communicators" */
-/* with IBM's MPI (AIX 5.1.0, PSSP 3.4) as of 1/13/03... */
-/* Umpire failure is graceful - comm creates are identified... */
-/* UNKNOWN N breaks umpire due to running out of memory as of 1/13/03... */
-/* UMPIRE FAILURE IS NOT GRACEFUL AS OF THIS TIME IN THIS CASE... */
-#define ITERATIONS 10
-
-
-#include <stdio.h>
-#include <string.h>
-#include "mpi.h"
-
-#define buf_size 128
-
-int
-main (int argc, char **argv)
-{
- int nprocs = -1;
- int rank = -1;
- int i;
- char processor_name[128];
- int namelen = 128;
- MPI_Comm newcomm[ITERATIONS];
-
- /* init */
- MPI_Init (&argc, &argv);
- MPI_Comm_size (MPI_COMM_WORLD, &nprocs);
- MPI_Comm_rank (MPI_COMM_WORLD, &rank);
- MPI_Get_processor_name (processor_name, &namelen);
- printf ("(%d) is alive on %s\n", rank, processor_name);
- fflush (stdout);
-
- MPI_Barrier (MPI_COMM_WORLD);
-
- for (i = 0; i < ITERATIONS; i++) {
- MPI_Comm_dup (MPI_COMM_WORLD, &newcomm[i]);
- }
-
- for (i = 0; i < ITERATIONS; i++) {
- MPI_Barrier (newcomm[i]);
- }
-
-
- for (i = 0; i < ITERATIONS; i++) {
- MPI_Comm_free (&newcomm[i]);
- }
-
- MPI_Barrier (MPI_COMM_WORLD);
-
- printf ("(%d) Finished normally\n", rank);
- MPI_Finalize ();
-}
-
-/* EOF */