From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Christoph Lameter <clameter@sgi.com>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
Herbert Xu <herbert@gondor.apana.org.au>,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.24-rc2: Network commit causes SLUB performance regression with tbench
Date: Tue, 13 Nov 2007 22:41:58 +1100 [thread overview]
Message-ID: <200711132241.59074.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0711121144001.26936@schroedinger.engr.sgi.com>
On Tuesday 13 November 2007 06:44, Christoph Lameter wrote:
> On Sat, 10 Nov 2007, Nick Piggin wrote:
> > BTW. your size-2048 kmalloc cache is order-1 in the default setup,
> > wheras kmalloc(1024) or kmalloc(4096) will be order-0 allocations. And
> > SLAB also uses order-0 for size-2048. It would be nice if SLUB did the
> > same...
>
> You can try to see the effect that order 0 would have by booting with
>
> slub_max_order=0
Yeah, that didn't help much, but in general I think it would give
more consistent and reliable behaviour from slub.
next prev parent reply other threads:[~2007-11-14 0:04 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-09 12:36 2.6.24-rc2 slab vs slob tbench numbers Nick Piggin
2007-11-09 15:15 ` Christoph Lameter
2007-11-09 17:49 ` Christoph Lameter
2007-11-09 23:46 ` 2.6.24-rc2: Network commit causes SLUB performance regression with tbench Christoph Lameter
2007-11-10 1:29 ` Nick Piggin
2007-11-10 3:28 ` Nick Piggin
2007-11-12 19:44 ` Christoph Lameter
2007-11-13 11:41 ` Nick Piggin [this message]
2007-11-14 1:58 ` David Miller
2007-11-13 17:36 ` Nick Piggin
2007-11-14 6:12 ` David Miller
2007-11-13 18:14 ` Nick Piggin
2007-11-14 6:37 ` David Miller
2007-11-13 22:27 ` Nick Piggin
2007-11-13 22:55 ` Nick Piggin
2007-11-14 11:10 ` David Miller
2007-11-13 23:39 ` Nick Piggin
2007-11-14 11:48 ` Herbert Xu
2007-11-14 0:02 ` Nick Piggin
2007-11-14 12:10 ` David Miller
2007-11-14 18:33 ` Christoph Lameter
2007-11-14 23:46 ` David Miller
2007-11-15 0:21 ` Nick Piggin
2007-11-15 0:27 ` David Miller
2007-11-15 1:03 ` Christoph Lameter
2007-11-15 1:11 ` Herbert Xu
2007-11-15 1:47 ` Nick Piggin
2007-11-12 20:13 ` 2.6.24-rc2 slab vs slob tbench numbers Matt Mackall
2007-11-13 11:44 ` Nick Piggin
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