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Subject: Re: [hwloc-devel] Some practical hwloc API feedback
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-09-24 10:26:23


How's this?

    https://svn.open-mpi.org/trac/hwloc/changeset/3853

On Sep 24, 2011, at 10:01 AM, Ralph Castain wrote:

>
> On Sep 24, 2011, at 5:52 AM, Jeff Squyres wrote:
>
>> On Sep 24, 2011, at 7:46 AM, Jeff Squyres wrote:
>>
>>>> The funky thing here is that the parent/child links between the first
>>>> socket and its core go across level 2 because nothing matches there. In
>>>> the first socket, you have Socket(depth1)->Core(depth3) while in the
>>>> second socket you have Socket(depth1)->Cache(depth2)->Core(depth3)
>>
>> Oh crap; this scenario is explicitly listed in the figure on page 21 of the letter PDF. :-\
>>
>> So... disregard my comments here.
>
> You might want to point that section out in hwloc.h as this is somewhat non-intuitive.
>
>>
>> --
>> Jeff Squyres
>> jsquyres_at_[hidden]
>> For corporate legal information go to:
>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>
>>
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>
>
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-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/