Open MPI logo

Hardware Locality Development Mailing List Archives

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

Subject: Re: [hwloc-devel] 1.3.1 and 1.4rc1
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-12-13 12:11:20

On Dec 13, 2011, at 12:02 PM, Samuel Thibault wrote:

>> In most cases, you don't need PCI support for this, you juste manipulate
>> a cuda device, an ibv_device, a MX endpoint, ... and use one of the
>> inline helpers to get the corresponding locality (a cpuset).
> A problem I see there is that although you can write such helper for
> Linux, nothing guarantees that it'll be so easy for other OSes. And you
> need to rebuild the application when a bug gets fixed.

Fair enough. It would be *convenient* to have such a helper, but not absolutely necessary.

Jeff Squyres
For corporate legal information go to: