+++ /dev/null
-/* Copyright (c) 2012, 2014. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-/****************************************************************************
-
- MESSAGE PASSING INTERFACE TEST CASE SUITE
-
- Copyright IBM Corp. 1995
-
- IBM Corp. hereby grants a non-exclusive license to use, copy, modify, and
- distribute this software for any purpose and without fee provided that the
- above copyright notice and the following paragraphs appear in all copies.
-
- IBM Corp. makes no representation that the test cases comprising this
- suite are correct or are an accurate representation of any standard.
-
- In no event shall IBM be liable to any party for direct, indirect, special
- incidental, or consequential damage arising out of the use of this software
- even if IBM Corp. has been advised of the possibility of such damage.
-
- IBM CORP. SPECIFICALLY DISCLAIMS ANY WARRANTIES INCLUDING, BUT NOT LIMITED
- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS AND IBM
- CORP. HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
- ENHANCEMENTS, OR MODIFICATIONS.
-
-****************************************************************************
-
- These test cases reflect an interpretation of the MPI Standard. They are
- are, in most cases, unit tests of specific MPI behaviors. If a user of any
- test case from this set believes that the MPI Standard requires behavior
- different than that implied by the test case we would appreciate feedback.
-
- Comments may be sent to:
- Richard Treumann
- treumann@kgn.ibm.com
-
-****************************************************************************
-*/
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include "mpi.h"
-
-#define MAXLEN 10000
-
-int main(int argc, char *argv[])
-{
-#define N 1000000
- int *out, *in, i, j, k;
- int myself, tasks;
-
- out = malloc(N * sizeof(int));
- in = malloc(N * sizeof(int));
- if ((out == NULL) || (in == NULL)) {
- printf("Error: cannot allocate N bytes for in or out arrays\n");
- exit(1);
- }
- MPI_Init(&argc, &argv);
- MPI_Comm_rank(MPI_COMM_WORLD, &myself);
- MPI_Comm_size(MPI_COMM_WORLD, &tasks);
- for (j = 1; j <= MAXLEN; j *= 10) {
- if (0 == myself) {
- printf("* calling MPI_Alltoall with buffers of %d ints\n", j);
- }
- for (i = 0; i < j * tasks; i++)
- out[i] = myself;
-
- MPI_Alltoall(out, j, MPI_INT, in, j, MPI_INT, MPI_COMM_WORLD);
-
- for (i = 0; i < tasks; i++) {
- for (k = 0; k < j; k++) {
- if (in[k + i * j] != i) {
- printf("<%d> bad answer (%d) at index %d of %d (should be %d)\n",
- myself, in[k + i * j], k + i * j, j * tasks, i);
- break;
- }
- }
- }
- }
- MPI_Barrier(MPI_COMM_WORLD);
- if (myself == 0)
- printf("TEST COMPLETE\n");
- MPI_Finalize();
- return EXIT_SUCCESS;
-}
