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
Couple of things:
1. please do send the output from ompi_info
2. please send the slurm envars from your allocation - i.e., after you do your
salloc.
Are you sure that slurm is actually "binding" us during this launch? If you
just srun your get-allowed-cpu, what does it show? I'm wondering if i
Hi there,
First, thank you for all your helpful answers!
On Mon, 2 Apr 2012 20:30:37 -0700, Ralph Castain
wrote:
I'm afraid the 1.5 series doesn't offer any help in this regard. The
required changes only exist in the developers trunk, which will be
released as the 1.7 series in the not-too-di
