[OMPI users] Nonblocking neighborhood collectives with distributed graph creation

Hello, I'm trying to use the neighborhood collective communication capabilities (MPI_Ineighbor_x) of MPI coupled with the distributed graph constructor (MPI_Dist_graph_create_adjacent) but I'm encountering a segmentation fault on a test case. I have attached a 'working' example where I create a MP

Re: [OMPI users] Nonblocking neighborhood collectives with distributed graph creation

et wrote: > Thanks for the report and the test case, > > this is a bug and i pushed a commit to master. > for the time being, you can download a patch for v1.10 at > https://github.com/ggouaillardet/ompi-release/commit/4afdab0aa86e5127767c4dfbdb763b4cb641e37a.patch > > C