I can not provide the user report as it is a proprietary problem. However, it
consists of a large loop of calls to MPI_Bcast that crashes due to unexpected
messages. We have been looking at instituting flow control, but that has way
too widespread an impact. The coll/sync component would be a si
> On Aug 19, 2016, at 4:24 PM, r...@open-mpi.org wrote:
>
> Hi folks
>
> I had a question arise regarding a problem being seen by an OMPI user - has
> to do with the old bugaboo I originally dealt with back in my LANL days. The
> problem is with an app that repeatedly hammers on a collective, a
Hi folks
I had a question arise regarding a problem being seen by an OMPI user - has to
do with the old bugaboo I originally dealt with back in my LANL days. The
problem is with an app that repeatedly hammers on a collective, and gets
overwhelmed by unexpected messages when one of the procs fal
