- printf("[%d] rcvbuf=[", rank);
- for (i = 0; i < size; i++)
- printf("%d ", rb[i]);
+ if (rank == root) {
+ 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);
+ }
+ }
+
+
+ printf("[%d] second sndbuf=[", rank);
+ for (i = 0; i < 1; i++)
+ printf("%d ", sb[i]);