1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
4 * (C) 2003 by Argonne National Laboratory.
5 * See COPYRIGHT in top-level directory.
12 * This program tests the allocation (and deallocation) of contexts.
15 int main(int argc, char **argv)
19 MPI_Comm newcomm1, newcomm2[200];
21 MTest_Init(&argc, &argv);
23 /* Get a separate communicator to duplicate */
24 MPI_Comm_dup(MPI_COMM_WORLD, &newcomm1);
26 MPI_Errhandler_set(newcomm1, MPI_ERRORS_RETURN);
27 /* Allocate many communicators in batches, then free them */
28 for (i = 0; i < 100; i++) {
29 for (j = 0; j < 200; j++) {
30 err = MPI_Comm_dup(newcomm1, &newcomm2[j]);
34 fprintf(stderr, "Failed to duplicate communicator for (%d,%d)\n", i, j);
39 for (j = 0; j < 200; j++) {
40 err = MPI_Comm_free(&newcomm2[j]);
44 fprintf(stderr, "Failed to free %d,%d\n", i, j);
50 err = MPI_Comm_free(&newcomm1);
53 fprintf(stderr, "Failed to free newcomm1\n");