[mvapich-discuss] blocking vs polling with PSM

[Hari Subramoni]

Hi David,

Could you please let us know how many processes you are running it with?
Can you try running with MV2_ON_DEMAND_THRESHOLD=1 and retry?

Regards,
Hari.


On Tue, Aug 5, 2014 at 10:57 AM, David Winslow <
david.winslow at serendipitynow.com> wrote:

> We have a multi-process, multi-threaded MPI application using MVAPICH 2.0
> rc2 over PSM. Based on my reading of the documentation, using the
> blocking mode of communications rather than polling would improve our
> performance in our particular application. Using -genv MV2_USE_BLOCKING=1;
> however, doesn't seem to work.
>
> Is blocking supported for PSM? If not, is there an alternative to reduce
> or eliminate polling?
>
> Thanks
> David
>
> _______________________________________________
> mvapich-discuss mailing list
> mvapich-discuss at cse.ohio-state.edu
> http://mailman.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cse.ohio-state.edu/pipermail/mvapich-discuss/attachments/20140805/44f84395/attachment.html>