FWIW: have you taken a look at the event notification mechanisms in PMIx yet? The intent there, among other features, is to provide async notification of events generated either by the system (e.g., node failures and/or congestion) or other application processes.
https://pmix.github.io/master <https://pmix.github.io/master> OMPI includes PMIx support beginning with OMPI v2.0, and various RMs are releasing their integrated support as well. Ralph > On Feb 18, 2017, at 10:07 AM, Michel Lesoinne <mlesoi...@cmsoftinc.com> wrote: > > I am also a proponent of the multiple thread support. For many reasons: > - code simplification > - easier support of computation/communication overlap with fewer > synchronization points > - possibility of creating exception aware MPI Code (I think the MPI standard > cruelly lacks constructs for a natural clean handling of application > exceptions across processes) > > So it is good to hear there is progress. > > On Feb 18, 2017 7:43 AM, "r...@open-mpi.org <mailto:r...@open-mpi.org>" > <r...@open-mpi.org <mailto:r...@open-mpi.org>> wrote: > We have been making a concerted effort to resolve outstanding issues as the > interest in threaded applications has grown. It should be pretty good now, > but we do see occasional bug reports, so it isn’t perfect. > > > On Feb 18, 2017, at 12:14 AM, Mark Dixon <m.c.di...@leeds.ac.uk > > <mailto:m.c.di...@leeds.ac.uk>> wrote: > > > > On Fri, 17 Feb 2017, r...@open-mpi.org <mailto:r...@open-mpi.org> wrote: > > > >> Depends on the version, but if you are using something in the v2.x range, > >> you should be okay with just one installed version > > > > Thanks Ralph. > > > > How good is MPI_THREAD_MULTIPLE support these days and how far up the > > wishlist is it, please? > > > > We don't get many openmpi-specific queries from users but, other than core > > binding, it seems to be the thing we get asked about the most (I normally > > point those people at mvapich2 or intelmpi instead). > > > > Cheers, > > > > Mark > > _______________________________________________ > > users mailing list > > users@lists.open-mpi.org <mailto:users@lists.open-mpi.org> > > https://rfd.newmexicoconsortium.org/mailman/listinfo/users > > <https://rfd.newmexicoconsortium.org/mailman/listinfo/users> > > _______________________________________________ > users mailing list > users@lists.open-mpi.org <mailto:users@lists.open-mpi.org> > https://rfd.newmexicoconsortium.org/mailman/listinfo/users > <https://rfd.newmexicoconsortium.org/mailman/listinfo/users>_______________________________________________ > users mailing list > users@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/users
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