Open MPI logo

Hardware Locality Development Mailing List Archives

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

Subject: Re: [hwloc-devel] more docs updates
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-01-14 17:08:17


On Jan 11, 2011, at 5:19 PM, Brice Goglin wrote:

>> When memory binding to nodesets or cpusets, do bit locations correspond to hwloc logical values or physical (os_index) values?
>
> It's clearly stated in "hwlocality_sets" at the beginning of hwloc.h
> that cpusets and nodesets are always made of physical/OS indexes.

Actually, it says this:

 * For use in hwloc itself, a hwloc_bitmap_t usually represents a set of
 * objects, typically logical processors or memory nodes, indexed by OS
 * physical number.

which says both "logical" and "physical". :-)

So it's definitely supposed to be physical?

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