-int
-Coll_alltoallv_ring::alltoallv(void *send_buff, int *send_counts, int *send_disps,
- MPI_Datatype send_type,
- void *recv_buff, int *recv_counts, int *recv_disps,
- MPI_Datatype recv_type,
- MPI_Comm comm)
+int alltoallv__ring(const void* send_buff, const int* send_counts, const int* send_disps, MPI_Datatype send_type,
+ void* recv_buff, const int* recv_counts, const int* recv_disps, MPI_Datatype recv_type,
+ MPI_Comm comm)