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Date:      Sun, 14 Feb 1999 22:38:43 -0800 (PST)
From:      Matthew Jacob <mjacob@feral.com>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Jaye Mathisen <mrcpu@internetcds.com>, hackers@FreeBSD.ORG
Subject:   Re: Processor affinity?
Message-ID:  <Pine.LNX.4.04.9902142237100.29513-100000@feral-gw>
In-Reply-To: <199902150521.VAA12394@apollo.backplane.com>

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Really? Hmm.. I would have thought for a machine that with local cache
but expensive global access (e.g., sun4d architecture) that affinity is a
win. Oh well, not my area of expertise.



On Sun, 14 Feb 1999, Matthew Dillon wrote:

> :>     maintain reasonable balancing across the system), but doesn't make much 
> :>     sense if you only have 2-4.
> :> 
> :>     Note that processor affinity scheduling is different from hard-assigning
> :>     a process to a processor.  Even so, there are very few circumstances where
> :>     even hard-assigning will do a better job then letting the scheduler do it.
> :> 
> :
> :Doesn't it also really depend upon the cache architecture?
> 
>     Not particularly.
> 
> 					-Matt
> 					Matthew Dillon 
> 					<dillon@backplane.com>
> 


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