I should add that it is an rte barrier and not an MPI barrier for technical reasons.
-Nathan On Mon, Jul 21, 2014 at 09:42:53AM -0700, Ralph Castain wrote: > We already have an rte barrier before del procs > > Sent from my iPhone > On Jul 21, 2014, at 8:21 AM, Yossi Etigin <yos...@mellanox.com> wrote: > > Hi, > > > > We get occasional hangs with MTL/MXM during finalize, because a global > synchronization is needed before calling del_procs. > > e.g rank A may call del_procs() and disconnect from rank B, while rank B > is still working. > > What do you think about adding an MPI barrier on COMM_WORLD before > calling del_procs()? > > > _______________________________________________ > 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/2014/07/15204.php
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