[mvapich-discuss] PBS/Torque Overprovisioning

[Jonathan Perkins]

Hello.  This might be due to affinity.  You can turn off MVAPICH2 by
setting MV2_ENABLE_AFFINITY=0.

http://mvapich.cse.ohio-state.edu/static/media/mvapich/mvapich2-2.1rc2-userguide.html#x1-17800011.21


On Tue, Mar 24, 2015 at 5:03 AM Smit, Dirk <
Dirk.Smit at nlwkn-ny.niedersachsen.de> wrote:

>  Hi,
>
>
>
> i’d like to start several jobs on my nodes. But somehow all jobs end up
> using the same Cores on my Systems.
>
> Is there a way to tell mvapich2 or PBS/Torque to use all cores on my small
> cluster?
>
> I have 48 Cores per node, but when I start 3 jobs with 10 Threats each,
> every threat ends up using 33% CPU-Time
>
>
>
> Best Regards,
>
>
>
> Dirk Smit
>
> --
>
> Coastal Research Station Norderney – Coastal Engineering
>
> NLWKN-BSt Norden-Norderney
>
>
>  _______________________________________________
> 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/20150324/047f607b/attachment-0001.html>