added simple usage message to smpirun and removed nonworking sample

[simgrid.git] / src / smpi / sample / allreduce.c

diff --git a/src/smpi/sample/allreduce.c b/src/smpi/sample/allreduce.c
deleted file mode 100644 (file)
index 1f8cd88..0000000
--- a/src/smpi/sample/allreduce.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <mpi.h>
-
-int main(int argc, char *argv[]) {
-  int rank, size;
-  int i;
-  int *sendbuf, *recvbuf;
-  MPI_Init(&argc, &argv);
-  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
-  MPI_Comm_size(MPI_COMM_WORLD, &size);
-  sendbuf = malloc(sizeof(int) * size);
-  recvbuf = malloc(sizeof(int) * size);
-  for (i = 0; i < size; i++) {
-    sendbuf[i] = 0;
-    recvbuf[i] = 0;
-  }
-  sendbuf[rank] = rank + 1;
-  MPI_Allreduce(sendbuf, recvbuf, size, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
-  printf("node %d has: ", rank);
-  for (i = 0; i < size; i++) {
-    printf("%d ", recvbuf[i]);
-  }
-  printf("\n");
-  free(sendbuf);
-  free(recvbuf);
-  MPI_Finalize();
-  return 0;
-}