On Mon, Feb 14, 2022 at 6:33 PM Neil Carlson via users <
users@lists.open-mpi.org> wrote:
> I've been successful at using MPI_Dist_graph_create_adjacent to create a
> new communicator with graph topology, and using it with
> MPI_Neighbor_alltoallv. But I have a few questions:
>
> 1. Where can I u
I've been successful at using MPI_Dist_graph_create_adjacent to create a
new communicator with graph topology, and using it with
MPI_Neighbor_alltoallv. But I have a few questions:
1. Where can I use this communicator? Can it be used with the usual stuff
like MPI_Allgather, or do I need to hang
