On Feb 4, 2013, at 10:55 AM, Bharath Ramesh wrote:
> I am trying to debug an issue which is really weird. I have
> simple MPI hello world application (attached) that hangs when I
> try to run on our cluster using 256 nodes with 16 cores on each
> node. The cluster uses QDR IB.
>
> I am able to r
I am trying to debug an issue which is really weird. I have
simple MPI hello world application (attached) that hangs when I
try to run on our cluster using 256 nodes with 16 cores on each
node. The cluster uses QDR IB.
I am able to run the test over ethernet by excluding openib from
the btl. Howev