What about between nodes? Since this is coming from the OpenIB BTL, would be good to check this.
Do you know what the MPI thread level is set to when used with the Charm++ runtime? Is it MPI_THREAD_MULTIPLE? The OpenIB BTL is not thread safe. Josh On Thu, Aug 14, 2014 at 2:17 PM, Maxime Boissonneault < maxime.boissonnea...@calculquebec.ca> wrote: > Hi, > I ran gromacs successfully with OpenMPI 1.8.1 and Cuda 6.0.37 on a single > node, with 8 ranks and multiple OpenMP threads. > > Maxime > > > Le 2014-08-14 14:15, Joshua Ladd a écrit : > > Hi, Maxime > > Just curious, are you able to run a vanilla MPI program? Can you try one > one of the example programs in the "examples" subdirectory. Looks like a > threading issue to me. > > Thanks, > > Josh > > > > _______________________________________________ > users mailing listus...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > > Link to this post: > http://www.open-mpi.org/community/lists/users/2014/08/25023.php > > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2014/08/25024.php >