status = MPI_Reduce(sb, rb, size, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);
MPI_Barrier(MPI_COMM_WORLD);
- printf("[%d] rcvbuf=[", rank);
- for (i = 0; i < size; i++)
- printf("%d ", rb[i]);
- printf("]\n");
-
-
if (rank == 0) {
+ printf("[%d] rcvbuf=[", rank);
+ for (i = 0; i < size; i++)
+ printf("%d ", rb[i]);
+ printf("]\n");
if (status != MPI_SUCCESS) {
printf("all_to_all returned %d\n", status);
fflush(stdout);