linux-kernel - Re: No, really, stop trying to delete slab until you've finished making slub perform as well

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Date:	Mon, 04 Aug 2008 04:37:33 +0200
From:	Rene Herman <rene.herman@...access.nl>
To:	Pekka Enberg <penberg@...helsinki.fi>
CC:	Matthew Wilcox <matthew@....cx>,
	Christoph Lameter <cl@...ux-foundation.org>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, Mel Gorman <mel@...net.ie>,
	andi@...stfloor.org, Rik van Riel <riel@...hat.com>
Subject: Re: No, really, stop trying to delete slab until you've finished
 making slub perform as well

On 03-08-08 23:25, Pekka Enberg wrote:

> Matthew Wilcox wrote:

>> Do we have to once again explain that slab still outperforms slub on at
>> least one important benchmark?  I hope Nick Piggin finds time to finish
>> tuning slqb; it already outperforms slub.
> 
> No, you don't have to. I haven't merged that patch nor do I intend to do 
> so until the regressions are fixed.
> 
> And yes, I'm still waiting to hear from you how we're now doing with 
> higher order page allocations...

General interested question -- I recently "accidentally" read some of 
slub and I believe that it doesn't feature the cache colouring support 
that slab did? Is that true, and if so, wasn't it needed/useful?

Rene.
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