+/* MPI_Ireduce_scatter(sbuf, rbuf, rcounts, MPI_INT, MPI_SUM, comm, &req);*/
+/* MPI_Wait(&req, MPI_STATUS_IGNORE);*/
+
+/* MPI_Ireduce_scatter(MPI_IN_PLACE, rbuf, rcounts, MPI_INT, MPI_SUM, comm, &req);*/
+/* MPI_Wait(&req, MPI_STATUS_IGNORE);*/
+
+/* MPI_Ireduce_scatter_block(sbuf, rbuf, NUM_INTS, MPI_INT, MPI_SUM, comm, &req);*/
+/* MPI_Wait(&req, MPI_STATUS_IGNORE);*/
+
+/* MPI_Ireduce_scatter_block(MPI_IN_PLACE, rbuf, NUM_INTS, MPI_INT, MPI_SUM, comm, &req);*/
+/* MPI_Wait(&req, MPI_STATUS_IGNORE);*/
+