From: Pekka Enberg <penberg@cs.helsinki.fi>
To: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux-foundation.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Martin Bligh <mbligh@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 0/3] slub partial list thrashing performance degradation
Date: Mon, 30 Mar 2009 09:38:11 +0300 [thread overview]
Message-ID: <1238395091.26742.24.camel@penberg-laptop> (raw)
In-Reply-To: <alpine.DEB.2.00.0903292241300.15813@chino.kir.corp.google.com>
On Sun, 2009-03-29 at 22:43 -0700, David Rientjes wrote:
> SLUB causes a performance degradation in comparison to SLAB when a
> workload has an object allocation and freeing pattern such that it spends
> more time in partial list handling than utilizing the fastpaths.
Christoph, Nick, any objections to merging this? The patches look sane
and the numbers convincing enough to me.
Pekka
prev parent reply other threads:[~2009-03-30 6:38 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-30 5:43 David Rientjes
2009-03-30 5:43 ` [patch 1/3] slub: add per-cache slab thrash ratio David Rientjes
2009-03-30 5:43 ` [patch 2/3] slub: scan partial list for free slabs when thrashing David Rientjes
2009-03-30 5:43 ` [patch 3/3] slub: sort parital list " David Rientjes
2009-03-30 14:41 ` Christoph Lameter
2009-03-30 20:29 ` David Rientjes
2009-03-30 14:37 ` [patch 2/3] slub: scan partial list for free slabs " Christoph Lameter
2009-03-30 20:22 ` David Rientjes
2009-03-30 21:20 ` Christoph Lameter
2009-03-31 7:13 ` Pekka Enberg
2009-03-31 8:23 ` David Rientjes
2009-03-31 8:49 ` Pekka Enberg
2009-03-31 13:23 ` Christoph Lameter
2009-03-30 7:11 ` [patch 1/3] slub: add per-cache slab thrash ratio Pekka Enberg
2009-03-30 8:41 ` David Rientjes
2009-03-30 15:54 ` Mel Gorman
2009-03-30 20:38 ` David Rientjes
2009-03-30 14:30 ` Christoph Lameter
2009-03-30 20:12 ` David Rientjes
2009-03-30 21:19 ` Christoph Lameter
2009-03-30 22:48 ` David Rientjes
2009-03-31 4:44 ` David Rientjes
2009-03-31 13:26 ` Christoph Lameter
2009-03-31 17:21 ` David Rientjes
2009-03-31 17:24 ` Christoph Lameter
2009-03-31 17:35 ` David Rientjes
2009-03-30 6:38 ` Pekka Enberg [this message]
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