+++ /dev/null
-/* Copyright (c) 2007, 2009, 2010. 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 <stdio.h>
-#include <mpi.h>
-
-int main(int argc, char **argv)
-{
- int size, rank;
- int root = 0;
- int value = 1;
- int sum = -99;
-
- double start_timer;
-
-
- MPI_Init(&argc, &argv);
- MPI_Comm_size(MPI_COMM_WORLD, &size);
- MPI_Comm_rank(MPI_COMM_WORLD, &rank);
-
- start_timer = MPI_Wtime();
-
- printf("rank %d has value %d\n", rank, value);
- MPI_Reduce(&value, &sum, 1, MPI_INT, MPI_SUM, root, MPI_COMM_WORLD);
- if (rank == root) {
- printf("On root: sum=%d\n", sum);
- printf("Elapsed time=%lf s\n", MPI_Wtime() - start_timer);
- }
- MPI_Finalize();
- return 0;
-}