Paul, Can you provide a repro and command line, please. Also, what network hardware are you using?
Josh On Fri, Aug 23, 2019 at 3:35 PM Paul Edmon via users < email@example.com> wrote: > I have a code using MPI_THREAD_MULTIPLE along with MPI-RMA that I'm > using OpenMPI 4.0.1. Since 4.0.1 requires UCX I have it installed with > MT on (1.6.0 build). The thing is that the code keeps stalling out when > I go above a couple of nodes. UCX is new to our environment as > previously we have just used the regular IB Verbs with no problem. My > guess is that there is either some option in OpenMPI I am missing or > some variable in UCX I am not setting. Any insight on what could be > causing the stalls? > > -Paul Edmon- > > _______________________________________________ > users mailing list > firstname.lastname@example.org > https://lists.open-mpi.org/mailman/listinfo/users
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