I just confirmed that git tag v1.10.4
runs this program without error.
Unfortunately I gave up on git bisection
due to the highly nonlinear nature of the
github.com/open-mpi/ompi repository
and the failure of several commits to even
configure.
I also recorded this as github issue #2402:
h
Hi Daniel,
Thanks very much for trying 2.0.1 out and reporting this.
Looks like this may be a case of not checking “edge” cases
in the use of this collective.
Would you please open an issue?
There is currently an issue 2324 related to neighbor collectives,
but it isn’t directly related to the pr
Hello,
I'd like to report a bug with OpenMPI version 2.0.1.
Attached to this email is a C program that runs with
only one MPI rank, uses MPI_Dist_graph_create
to create a graph topology with no communication
edges, and then uses MPI_Neighbor_alltoall
with that graph topology. This results in