[mvapich-discuss] Question on VIADEV_ENABLE_AFFINITY and VIADEV_USE_AFFINITY

Matthew Koop koop at cse.ohio-state.edu
Fri Dec 5 16:32:49 EST 2008


Terrence,

They both work (and do the same thing), but VIADEV_ENABLE_AFFINITY has
been deprecated. We've switched all parameters over to "USE" as not to
confuse the user if the default were to change.

Thanks,

Matt

On Fri, 5 Dec 2008 Terrence.LIAO at total.com wrote:

> Dear mvapich,
>
> I was asked to use VIADEV_ENABLE_AFFINITY=0 to disable the CPU binding,
> but reading the MVAPICH1.1 User and Tuning Guide, I only find
> VIADEV_USE_AFFINITY env.  Here comes my question.  Does mvapich has
> VIADEV_ENABLE_AFFINITY env? if so  what is the difference between these
> two?
>
> Thank you very much.
>
> -- Terrence
> --------------------------------------------------------
> Terrence Liao, Ph.D.
> Research Computer Scientist
> TOTAL E&P RESEARCH & TECHNOLOGY USA, LLC
> 1201 Louisiana, Suite 1800, Houston, TX 77002
> Tel: 713.647.3498  Fax: 713.647.3638
> Email: terrence.liao at total.com
>
> Houston HPC site:  http://us-hou-spt01/sites/rt/hpc/default.aspx
> Pau HPC site:  http://collaboratif.ep.corp.local/sites/hpc/hpc/RD.aspx
>



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