Kind of sounds to me like they are using the wrong proc when receiving. Here is an example of what a modex receive should look like:https://github.com/open-mpi/ompi/blob/main/opal/mca/btl/ugni/btl_ugni_endpoint.c#L44-NathanOn Aug 3, 2022, at 11:29 AM,
"Jeff Squyres (jsquyres) via devel" wrote:Gl
onously without involving the BTL.
--
Jeff Squyres
jsquy...@cisco.com
From: devel on behalf of Michele Martinelli
via devel
Sent: Wednesday, August 3, 2022 12:49 PM
To: devel@lists.open-mpi.org
Cc: Michele Martinelli
Subject: Re: [OMPI devel] How to progr
thank you for the answer. Actually I think I solved that problem some
days ago, basically (if I correctly understand) MPI "adds" in some sense
an header to the data sent (please correct me if I'm wrong), which is
then used by ob1 to match the data arrived with the mpi_recv posted by
the user. T
Sorry for the huge delay in replies -- it's summer / vacation season, and I
think we (as a community) are a little behind in answering some of these
emails. :-(
It's been quite a while since I have been in the depths of BTL internals; I'm
afraid I don't remember the details offhand.
When I wa
