+/* Copyright (c) 2009-2010, 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. */
+
#include <stdio.h>
#include <stdlib.h>
#include <mpi.h>
+#ifdef _WIN32
+ #define srandom srand
+ #define random rand
+#endif
+
#define GETTIMEOFDAY_ERROR 1
#define N_START 1
int main(int argc, char *argv[])
{
-
int size, rank;
- int N, I;
- struct timeval *start_time, *stop_time;
- double seconds;
- int i, j, k;
+ int N;
+ struct timeval *start_time = NULL, *stop_time = NULL;
+ double seconds = 0;
+ int i, j;
char *buffer;
int check;
}
for (N = N_START; N <= N_STOP; N = N_NEXT) {
-
buffer = malloc(sizeof(char) * N);
if (0 == rank) {
MPI_Bcast(buffer, N, MPI_BYTE, 0, MPI_COMM_WORLD);
if (0 == rank) {
for (j = 1; j < size; j++) {
- MPI_Recv(&check, 1, MPI_INT, MPI_ANY_SOURCE, 1, MPI_COMM_WORLD,
- MPI_STATUS_IGNORE);
+ MPI_Recv(&check, 1, MPI_INT, MPI_ANY_SOURCE, 1, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
}
} else {
MPI_Send(&rank, 1, MPI_INT, 0, 1, MPI_COMM_WORLD);
MPI_Abort(MPI_COMM_WORLD, GETTIMEOFDAY_ERROR);
exit(EXIT_FAILURE);
}
- seconds =
- (double) (stop_time->tv_sec - start_time->tv_sec) +
- (double) (stop_time->tv_usec - start_time->tv_usec) / ONE_MILLION;
+ seconds = (double) (stop_time->tv_sec - start_time->tv_sec) +
+ (double) (stop_time->tv_usec - start_time->tv_usec) / ONE_MILLION;
}
free(buffer);
if (0 == rank) {
- printf("N: %10d, iter: %d, time: %10f s, avg rate: %12f Mbps\n", N,
- ITER, seconds,
+ printf("N: %10d, iter: %d, time: %10f s, avg rate: %12f Mbps\n", N, ITER, seconds,
((double) N * ITER * 8) / (1024.0 * 1024.0 * seconds));
}
-
}
if (0 == rank) {