From: Benjamin LaHaise <bcrl@kvack.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
William Lee Irwin III <wli@holomorphy.com>
Subject: Re: [RFC] i386: Remove page sized slabs for pgds and pmds
Date: Wed, 28 Mar 2007 21:17:51 -0400 [thread overview]
Message-ID: <20070329011751.GC17334@kvack.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0703281401460.13743@schroedinger.engr.sgi.com>
On Wed, Mar 28, 2007 at 02:05:54PM -0700, Christoph Lameter wrote:
> Tried this also on x86_64 with an enhanced quicklist patch that also deals
> with ptes (at the price of not guaranteeing the free after the tlb flush):
...
> Seems that there is a slight benefit but its also barely above noise
> level.
You're not running a test that will show any benefit in this area. Run
some heavy shell scripts or lmbench's fork() and exec() latency tests
to get real numbers.
-ben
--
"Time is of no importance, Mr. President, only life is important."
Don't Email: <zyntrop@kvack.org>.
next prev parent reply other threads:[~2007-03-29 1:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-28 20:12 Christoph Lameter
2007-03-28 20:45 ` Andrew Morton
2007-03-28 21:05 ` Christoph Lameter
2007-03-28 21:16 ` William Lee Irwin III
2007-03-28 21:20 ` Christoph Lameter
2007-03-28 22:37 ` William Lee Irwin III
2007-03-28 23:44 ` Christoph Lameter
2007-03-29 0:53 ` William Lee Irwin III
2007-03-29 1:09 ` Christoph Lameter
2007-03-29 1:17 ` Benjamin LaHaise [this message]
2007-03-28 20:50 ` William Lee Irwin III
2007-03-28 21:00 ` Christoph Lameter
2007-03-28 21:24 ` William Lee Irwin III
2007-03-28 21:38 ` Christoph Lameter
2007-03-28 22:01 ` William Lee Irwin III
2007-03-28 22:22 ` Christoph Lameter
2007-03-29 0:28 ` Alan Cox
2007-03-29 0:59 ` William Lee Irwin III
2007-03-28 22:26 ` Chris Wright
2007-03-28 22:33 ` William Lee Irwin III
2007-03-28 22:45 ` Chris Wright
2007-03-28 23:42 ` Zachary Amsden
2007-03-28 22:47 ` Chris Wright
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