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model-checker : new example for liveness properties
[simgrid.git]
/
examples
/
smpi
/
barrier.c
diff --git
a/examples/smpi/barrier.c
b/examples/smpi/barrier.c
index
31e605d
..
568015e
100644
(file)
--- a/
examples/smpi/barrier.c
+++ b/
examples/smpi/barrier.c
@@
-1,22
+1,34
@@
+/* Copyright (c) 2009. 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>
#include <stdio.h>
#include <mpi.h>
-int main (int argc, char **argv) {
- int size, rank;
- int root=0;
- int value;
- double start_timer;
+int main(int argc, char **argv)
+{
+ int size, rank;
+ int root = 0;
+ int value;
+ double start_timer;
-
MPI_Init(&argc, &argv);
-
MPI_Comm_size(MPI_COMM_WORLD, &size);
-
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+ MPI_Init(&argc, &argv);
+ MPI_Comm_size(MPI_COMM_WORLD, &size);
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+ start_timer = MPI_Wtime();
- MPI_Barrier( MPI_COMM_WORLD );
- MPI_Barrier( MPI_COMM_WORLD );
+ MPI_Barrier(MPI_COMM_WORLD);
+
+ MPI_Barrier(MPI_COMM_WORLD);
+ if (0 == rank) {
+ printf("... Barrier ....\n");
+ printf("Elapsed=%lf s\n", MPI_Wtime() - start_timer);
+ }
MPI_Finalize();
return 0;
}
MPI_Finalize();
return 0;
}
-