X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/865f97c868ce92518b1cf4f23e23bd1b16b7917c..f301027bdd26302bdc73aa7c93b022dd75439256:/examples/smpi/reduce.c

diff --git a/examples/smpi/reduce.c b/examples/smpi/reduce.c
index bc74092050..2946edc930 100644
--- a/examples/smpi/reduce.c
+++ b/examples/smpi/reduce.c
@@ -24,7 +24,7 @@
  * ENHANCEMENTS, OR MODIFICATIONS.
  * ***************************************************************************
  **/
-int ibm_test(int rank, int size)
+static int ibm_test(int rank, int size)
 {
   int success = 1;
 #define MAXLEN  10000
@@ -43,8 +43,8 @@ int ibm_test(int rank, int size)
     if (rank == root) {
       for (k = 0; k < j; k++) {
         if (in[k] != k * size) {
-          printf("bad answer (%d) at index %d of %d (should be %d)", in[k], k,
-                 j, k * size);
+          printf("bad answer (%d) at index %d of %d (should be %d)", in[k],
+                 k, j, k * size);
           success = 0;
           break;
         }
@@ -65,19 +65,24 @@ int main(int argc, char **argv)
   int sum = -99, sum_mirror = -99, min = 999, max = -999;
 
   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();
 
   value = rank + 1;             /* easy to verify that sum= (size*(size+1))/2; */
 
-  printf("[%d] has value %d\n", rank, value);
+  //printf("[%d] has value %d\n", rank, value);
   MPI_Reduce(&value, &sum, 1, MPI_INT, MPI_SUM, root, MPI_COMM_WORLD);
-  MPI_Reduce(&value, &sum_mirror, 1, MPI_INT, MPI_SUM, root, MPI_COMM_WORLD);
+  MPI_Reduce(&value, &sum_mirror, 1, MPI_INT, MPI_SUM, root,
+             MPI_COMM_WORLD);
 
   MPI_Reduce(&value, &min, 1, MPI_INT, MPI_MIN, root, MPI_COMM_WORLD);
   MPI_Reduce(&value, &max, 1, MPI_INT, MPI_MAX, root, MPI_COMM_WORLD);
@@ -99,7 +104,8 @@ int main(int argc, char **argv)
       printf("ok.\n");
     else
       printf("failed.\n");
-    printf("Elapsed time=%lf s\n", MPI_Wtime() - start_timer);
+    if (!quiet)
+      printf("Elapsed time=%lf s\n", MPI_Wtime() - start_timer);
   }
 
   MPI_Barrier(MPI_COMM_WORLD);
@@ -108,8 +114,10 @@ int main(int argc, char **argv)
     printf("** IBM Test Result: ... \n");
   if (!ibm_test(rank, size))
     printf("\t[%d] failed.\n", rank);
-  else
+  else if (!quiet)
     printf("\t[%d] ok.\n", rank);
+  else
+    printf("\tok.\n");
 
   MPI_Finalize();
   return 0;