We already have an rte barrier before del procs
Sent from my iPhone
> On Jul 21, 2014, at 8:21 AM, Yossi Etigin <yosefe_at_[hidden]> wrote:
> 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()?