+1 should we also enable sparse groups by default ? (or at least on master, and then v2.x later)
Cheers, Gilles On Thursday, February 4, 2016, Joshua Ladd <jladd.m...@gmail.com> wrote: > +1 > > > On Wed, Feb 3, 2016 at 9:54 PM, Jeff Squyres (jsquyres) < > jsquy...@cisco.com <javascript:_e(%7B%7D,'cvml','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 <javascript:_e(%7B%7D,'cvml','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 <javascript:_e(%7B%7D,'cvml','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 >> > >
