move smpi examples to teshsuite

[simgrid.git] / teshsuite / smpi / bcast.c

diff --git a/teshsuite/smpi/bcast.c b/teshsuite/smpi/bcast.c
new file mode 100644 (file)
index 0000000..72ad419
--- /dev/null
+++ b/teshsuite/smpi/bcast.c
@@ -0,0 +1,40 @@
+/* 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>
+
+int main(int argc, char **argv)
+{
+  int size, rank;
+  int value = 3;
+  double start_timer;
+  int quiet = 0;
+
+  MPI_Init(&argc, &argv);
+  MPI_Comm_size(MPI_COMM_WORLD, &size);
+  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+
+  if (argc > 1 && !strcmp(argv[1], "-q"))
+    quiet = 1;
+
+  start_timer = MPI_Wtime();
+
+  if (0 == rank) {
+    value = 17;
+  }
+  MPI_Bcast(&value, 1, MPI_INT, 0, MPI_COMM_WORLD);
+  if (value != 17) {
+    printf("node %d has value %d after broadcast\n", rank, value);
+  }
+
+  MPI_Barrier(MPI_COMM_WORLD);
+  if (0 == rank && !quiet)
+    printf("Elapsed time on rank %d: %lf s\n", rank,
+           MPI_Wtime() - start_timer);
+  MPI_Finalize();
+  return 0;
+}