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Subject: Re: [hwloc-devel] structure assumptions, duplication
From: Fawzi Mohamed (fawzi_at_[hidden])
Date: 2009-10-01 02:31:20


Hi Samuel
On 30-set-09, at 13:24, Samuel Thibault wrote:

> Fawzi Mohamed, le Wed 30 Sep 2009 10:10:47 +0200, a écrit :
>> If you look at the example described in the document that I had
>> linked
>>
>> http://opensolaris.org/os/community/performance/mpo_overview.pdf
>>
>> you see the that for a ring topology some level (that you always
>> get adding the
>
> Ah, right.
>
> Yes, we could also provide this as an additional structure.
>
>> For a the ring topology a-b-c-d-a is difficult to find a good
>> partition... and
>> having both partition and non partition views (one used for
>> resource allocation
>> /distribution, the other for resource finding/stealing), is quite
>> clean imho.
>
> Yes, heuristics would partition it into ((a,b),(c,d)), while
> non-partition could usefully provide all the related triplets. We can
> provide both.

that would be great, I am looking forward to it :)

ciao
Fawzi