+++ /dev/null
-/* -*- Mode: C; -*- */
-/* Creator: Bronis R. de Supinski (bronis@llnl.gov) Fri Dec 20 2002 */
-/* lost-request3.c -- lose lots of requests */
-
-#ifndef lint
-static char *rcsid =
- "$Header: /usr/gapps/asde/cvs-vault/umpire/tests/lost-request3.c,v 1.1 2003/01/13 18:31:48 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... */
-/* UNKNOWN N breaks umpire due to running out of memory as of 12/20/02... */
-/* FAILURE IS NOT GRACEFUL AS OF THIS TIME... */
-#define ITERATIONS 10000
-#define REQS_PER_ITERATION 3
-#define REQS_LOST_PER_ITERATION 1
-
-
-#include <stdio.h>
-#include "mpi.h"
-
-#define buf_size 128
-
-
-int
-main (int argc, char **argv)
-{
- int nprocs = -1;
- int rank = -1;
- int i, j;
- char processor_name[128];
- int namelen = 128;
- int buf[buf_size * REQS_PER_ITERATION];
- MPI_Request req[REQS_PER_ITERATION];
- MPI_Status statuses[REQS_PER_ITERATION];
-
- /* 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);
-
- /* 0 sends 1 two messages, but the request gets overwritten */
- switch (rank)
- {
- case 0:
- for (i = 0; i < ITERATIONS; i++) {
- memset (buf, 1, buf_size * REQS_PER_ITERATION);
-
- for (j = 0; j < REQS_PER_ITERATION; j++) {
- MPI_Isend (&buf[j*buf_size], buf_size, MPI_INT,
- 1, j, MPI_COMM_WORLD, &req[j]);
- }
-
- MPI_Waitall (REQS_PER_ITERATION, req, statuses);
- }
-
- break;
-
- case 1:
- for (i = 0; i < ITERATIONS; i++) {
- memset (buf, 2, buf_size * REQS_PER_ITERATION);
-
- for (j = 0; j < REQS_PER_ITERATION; j++) {
- MPI_Irecv (&buf[j*buf_size], buf_size, MPI_INT,
- 0, j, MPI_COMM_WORLD, &req[j]);
- }
-
- /* do some work here and get confused */
- MPI_Waitall(REQS_PER_ITERATION-REQS_LOST_PER_ITERATION,req,statuses);
- }
-
- break;
-
- default:
- /* do nothing */
- break;
- }
-
- MPI_Finalize ();
- printf ("(%d) Finished normally\n", rank);
-}
-
-/* EOF */