+1
On Wed, Feb 3, 2016 at 9:54 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> wrote: > WHAT: Decrease default value of mpi_add_procs_cutoff from 1024 to 32 > > WHY: The "partial add procs" behavior is supposed to be a key feature of > v2.0.0 > > WHERE: ompi/mpi/runtime/ompi_mpi_params.c > > TIMEOUT: Next Tuesday teleconf (9 Feb 2016) > > MORE DETAIL: > > The mpi_add_procs_cutoff MCA param controls the crossover to when we start > doing "partial" add_procs() behavior (i.e., don't just > pml.add_procs(ALL_PROCS) during MPI_INIT). Currently, this value defaults > to 1024, meaning that we don't get the "partial add_procs" behavior until > you run 1025 processes. > > Does anyone have an issue with reducing this value to a lower value? I > picked 32 somewhat arbitrarily. See the PR for master: > > https://github.com/open-mpi/ompi/pull/1340 > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2016/02/18543.php >
