void smpi_datatype_unuse(MPI_Datatype type);
int smpi_datatype_contiguous(int count, MPI_Datatype old_type,
- MPI_Datatype* new_type);
+ MPI_Datatype* new_type, MPI_Aint lb);
int smpi_datatype_vector(int count, int blocklen, int stride,
MPI_Datatype old_type, MPI_Datatype* new_type);
void smpi_empty_status(MPI_Status * status);
MPI_Op smpi_op_new(MPI_User_function * function, int commute);
+int smpi_op_is_commute(MPI_Op op);
void smpi_op_destroy(MPI_Op op);
void smpi_op_apply(MPI_Op op, void *invec, void *inoutvec, int *len,
MPI_Datatype * datatype);
void smpi_mpi_gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int recvcount, MPI_Datatype recvtype,
int root, MPI_Comm comm);
+void smpi_mpi_reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
+ MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
void smpi_mpi_gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int *recvcounts, int *displs,
MPI_Datatype recvtype, int root, MPI_Comm comm);
MPI_Comm comm, int arity);
void nary_tree_barrier(MPI_Comm comm, int arity);
-int smpi_coll_tuned_alltoall_ompi(void *sendbuf, int sendcount,
+int smpi_coll_tuned_alltoall_ompi2(void *sendbuf, int sendcount,
MPI_Datatype sendtype, void *recvbuf,
int recvcount, MPI_Datatype recvtype,
MPI_Comm comm);