On Apr 27, 2012, at 5:20 PM, Jens Glaser wrote:
> Hi,
>
> we've tried to use a multithreaded application with a more recent trunk
> version (March 21) of OpenMPI. We need to use this version because of CUDA
> RDMA support. OpenMPI was binding all the threads to a single core, which is
> undes
Hi,
we've tried to use a multithreaded application with a more recent trunk version
(March 21) of OpenMPI. We need to use this version because of CUDA RDMA
support. OpenMPI was binding all the threads to a single core, which is
undesirable.
In OpenMPI 1.5. there was an option --cpus-per-rank, w