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Subject: Re: [hwloc-devel] [hwloc] #12: support user-defined processor restriction
From: Ashley Pittman (ashley_at_[hidden])
Date: 2010-02-15 16:52:29


On 15 Feb 2010, at 21:46, Samuel Thibault wrote:
>> I'm not sure I follow ticket #12 but I suspect it's the same thing as #21.
>
> No, it's not, really :)
>
> #21 was never meant to limit the discovery to the current binding
> (understand sched_setaffinity) of some process, it was just meant
> to discover according to what another process would see, e.g. with
> administrative constraints (understand Linux cpuset).
>
>> I say the commit r1726 which closed #21 and am working on testing this now, it certainly appears to be what I requested.
>
> Maybe, depending on whether you want to discover according to the other
> process' binding (sched_setaffinity) or according to the other process'
> restricted view of the machine (Linux cpuset).

I don't understand the difference, I thought they were two ways of achieving the same thing?

-- 
Ashley Pittman, Bath, UK.
Padb - A parallel job inspection tool for cluster computing
http://padb.pittman.org.uk