From: Pavel Machek <pavel@ucw.cz>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Matt Mackall <mpm@selenic.com>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH][2.6] Completely out of line spinlocks / i386
Date: Wed, 11 Aug 2004 23:59:15 +0200 [thread overview]
Message-ID: <20040811215915.GA21812@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.58.0408072123590.19619@montezuma.fsmlabs.com>
Hi!
> Pulled from the -tiny tree, the focus of this patch is for reduced kernel
> image size but in the process we benefit from improved cache performance
> since it's possible for the common text to be present in cache. This is
> probably more of a win on shared cache multiprocessor systems like
> P4/Xeon HT. It's been benchmarked with bonnie++ on 2x and 4x PIII (my
> ideal target would be a 4x+ logical cpu Xeon).
>
> The bonnie++ results are here, the hostnames are of the form stpN-000 with
> N denoting how many processors in the system. In a nutshell there doesn't
> appear to be any performance regressions.
Fine, so perhaps we do not want config option?
Pavel
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
next prev parent reply other threads:[~2004-08-11 22:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-08 4:49 [PATCH][2.6] Completely out of line spinlocks / i386 Zwane Mwaikambo
2004-08-08 5:01 ` Linus Torvalds
2004-08-08 5:17 ` Zwane Mwaikambo
2004-08-08 5:21 ` Linus Torvalds
2004-08-08 6:00 ` Zwane Mwaikambo
2004-08-08 12:33 ` Andreas Schwab
2004-08-08 18:26 ` Zwane Mwaikambo
2004-08-11 21:59 ` Pavel Machek [this message]
2004-08-11 22:13 ` Linus Torvalds
2004-08-11 22:23 ` William Lee Irwin III
2004-08-12 0:01 ` Keith Owens
2004-08-12 0:39 ` David S. Miller
2004-08-12 0:54 ` Zwane Mwaikambo
2004-08-12 1:01 ` William Lee Irwin III
2004-08-12 1:37 ` Zwane Mwaikambo
2004-08-12 2:04 ` William Lee Irwin III
2004-08-12 7:20 ` William Lee Irwin III
2004-08-12 7:23 ` William Lee Irwin III
2004-08-12 7:25 ` William Lee Irwin III
2004-08-12 8:12 ` Zwane Mwaikambo
2004-08-12 8:11 ` William Lee Irwin III
2004-08-12 8:54 ` William Lee Irwin III
2004-08-13 8:01 ` William Lee Irwin III
2004-08-13 9:16 ` William Lee Irwin III
2004-08-13 9:30 ` William Lee Irwin III
2004-08-13 9:46 ` William Lee Irwin III
2004-08-13 10:05 ` William Lee Irwin III
2004-08-13 10:23 ` William Lee Irwin III
2004-08-13 10:39 ` William Lee Irwin III
2004-08-13 14:15 ` Zwane Mwaikambo
2004-08-13 14:29 ` William Lee Irwin III
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