- MPI_Alltoallv(sbuf, sendcounts, sdispls, MPI_INT, rbuf, recvcounts, rdispls, MPI_INT, comm);
+ status = MPI_Alltoallv(sbuf, sendcounts, sdispls, MPI_INT, rbuf, recvcounts, rdispls, MPI_INT, comm);
+ if (status != MPI_SUCCESS)
+ printf("MPI_Alltoallv did not return MPI_SUCCESS\n");