From: Con Kolivas <conman@kolivas.net>
To: Andrew Morton <akpm@digeo.com>
Cc: Marc-Christian Petersen <m.c.p@wolk-project.de>,
linux kernel mailing list <linux-kernel@vger.kernel.org>,
Andrea Arcangeli <andrea@suse.de>
Subject: Re: [PATCH 2.4.20-aa1] Readlatency-2
Date: Fri, 6 Dec 2002 22:41:46 +1100 [thread overview]
Message-ID: <200212062241.55875.conman@kolivas.net> (raw)
In-Reply-To: <3DF08BC7.62436532@digeo.com>
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>Con Kolivas wrote:
>> io_load:
>> Kernel [runs] Time CPU% Loads LCPU% Ratio
>> 2.4.20 [5] 203.4 33 40 15 3.07
>> 2.4.20aa1 [3] 238.3 27 46 15 3.60
>> 2.4.20aa1rl2 [3] 302.5 22 63 16 4.57
>
>Something must have gone wrong here. rl2 cannot be worse than
>2.4.20 in this test.
>
>Umm, quick sanity check:
>
>2.4.20-rl2 321.44 147% 96 24%
>2.4.20 361.70 130% 108 24%
>
>So only a 10% speedup, but certainly not a 50% slowdown. (That is
>on scsi).
>
>Maybe a patch preparation problem?
Dunno. This was just the patch mcp submitted which applies to aa1. Check the
top message in this thread. No doubt rl2 makes serious improvements to
vanilla 2.4.20 as a previous thread showed.
Con
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next prev parent reply other threads:[~2002-12-06 11:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200212061038.27387.m.c.p@wolk-project.de>
2002-12-06 9:45 ` [PATCH 2.4.20-aa1] Readlatency-2 Con Kolivas
2002-12-06 11:36 ` Andrew Morton
2002-12-06 11:41 ` Con Kolivas [this message]
2002-12-06 12:00 ` Con Kolivas
2002-12-05 19:49 Marc-Christian Petersen
2002-12-06 1:24 ` Andrea Arcangeli
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