Hi Ralph,
Thanks a lot for the fast reply and the clarification. We’ve re-added the
parameter to our MCA site configuration file.
Michael
On 14 Aug 2015, at 15:00 , Ralph Castain
mailto:r...@open-mpi.org>> wrote:
During the 1.7 series, we changed things at the request of system admins so
tha
During the 1.7 series, we changed things at the request of system admins so
that we don't oversubscribe allocations given to us by resource managers
unless specifically told to do so.
On Fri, Aug 14, 2015 at 12:52 AM, Schlottke-Lakemper, Michael <
m.schlottke-lakem...@aia.rwth-aachen.de> wrote:
Hi folks,
It seems like oversubscription is disabled by default in OpenMPI 1.8.7, at
least when running on a PBS/torque-managed node. When I run a program in
parallel on a node with 8 cores, I am not able to use more than 8 ranks:
> mic@aia272:~> mpirun --display-allocation -n 9 hostname
>
> =
