+++ /dev/null
-/* Copyright (c) 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. */
-
-#include "xbt/log.h"
-#include <stdio.h>
-#include <mpi.h>
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(MM_mpi, "Messages for this SMPI test");
-
-int main(int argc, char ** argv)
-{
- size_t err;
- size_t M = 8*1024;
- size_t N = 32*1024;
-
- MPI_Init(&argc, &argv);
-
- int rank;
- MPI_Comm_rank(MPI_COMM_WORLD,&rank);
-
- double *a = malloc(sizeof(double) * M);
- double *b = malloc(sizeof(double) * N);
-
- // A broadcast
- err = MPI_Bcast(a, M, MPI_DOUBLE, 0, MPI_COMM_WORLD);
- if (err != MPI_SUCCESS) {
- perror("Error Bcast A\n"); MPI_Finalize(); exit(-1);
- }
-
-// Uncommenting this barrier fixes it!
-// MPI_Barrier(MPI_COMM_WORLD);
-
- // Another broadcast
- err = MPI_Bcast(b, N, MPI_DOUBLE, 0, MPI_COMM_WORLD );
- if (err != MPI_SUCCESS) {
- perror("Error Bcast B\n"); MPI_Finalize(); exit(-1);
- }
-
- // Commenting out this barrier fixes it!!
- MPI_Barrier(MPI_COMM_WORLD);
-
- if(rank==0) {
- printf("Walltime = %g\n",MPI_Wtime());
- }
-
- MPI_Finalize();
- free(a);
- free(b);
- return 0;
-}
