void* recvbuf, int recvcount, MPI_Datatype recvdatatype,
MPI_Comm comm);
+int smpi_coll_tuned_alltoall_basic_linear(void *sbuf, int scount, MPI_Datatype sdtype,
+ void* rbuf, int rcount, MPI_Datatype rdtype, MPI_Comm comm);
+
+int smpi_coll_basic_alltoallv(void *sendbuf, int *scounts, int *sdisps, MPI_Datatype datatype,
+ void *recvbuf, int *rcounts, int *rdisps, MPI_Datatype recvtype,
+ MPI_Comm comm);
+
+