Open MPI logo

Hardware Locality Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Hardware Locality Development mailing list

Subject: Re: [hwloc-devel] Memory affinity
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-02-28 15:18:32


On Feb 28, 2011, at 2:02 PM, Samuel Thibault wrote:

>> That would seem to imply that I should always hwloc_set_area_membind() if I want it to persist beyond any potential future swapping.
>
> I guess that could be right, but it definitely deserves testing before
> trusting potentially-outdated documentation :)

Brice - did you see anything about this when reading the kernel code?

> I don't remember such kind of document details for other OSes, in any case.

Are you saying that other OS's don't promise anything about whether memory binding / policy is remembered for swapped-out pages?

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/