Have you tried just running the example codes we provide? If you run the ring_c example, with odd numbers, does it work?
> On Mar 4, 2015, at 12:30 PM, Oliver <python...@gmail.com> wrote: > > hi all, > > I have openmpi 1.8.4 installed on a Mac latop. > > When running a mpi job on localhost for testing, I've noticed that when -np > is odd number 3, 5 etc, it sometimes ran into a situation where only rank 0 > is progressing, and the rest of ranks doesn't seem get to run at all ... I've > examine the code many times over and couldn't see why. I am wondering if this > is something else and has anyone else run into similar problem before? > > TIA > > Oliver > _______________________________________________ > 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/2015/03/26428.php
