Return-Path: <linux-kernel-owner+willy=40w.ods.org@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id <S262289AbSLFLbx>; Fri, 6 Dec 2002 06:31:53 -0500
Received: (majordomo@vger.kernel.org) by vger.kernel.org
	id <S262296AbSLFLbx>; Fri, 6 Dec 2002 06:31:53 -0500
Received: from c17928.thoms1.vic.optusnet.com.au ([210.49.249.29]:12673 "EHLO
	laptop.localdomain") by vger.kernel.org with ESMTP
	id <S262289AbSLFLbw> convert rfc822-to-8bit; Fri, 6 Dec 2002 06:31:52 -0500
Content-Type: text/plain; charset=US-ASCII
From: Con Kolivas <conman@kolivas.net>
To: Andrew Morton <akpm@digeo.com>
Subject: Re: [PATCH 2.4.20-aa1] Readlatency-2
Date: Fri, 6 Dec 2002 22:41:46 +1100
User-Agent: KMail/1.4.3
Cc: Marc-Christian Petersen <m.c.p@wolk-project.de>,
       linux kernel mailing list <linux-kernel@vger.kernel.org>,
       Andrea Arcangeli <andrea@suse.de>
References: <200212061038.27387.m.c.p@wolk-project.de> <200212062045.25377.conman@kolivas.net> <3DF08BC7.62436532@digeo.com>
In-Reply-To: <3DF08BC7.62436532@digeo.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7BIT
Message-Id: <200212062241.55875.conman@kolivas.net>
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 1298
Lines: 41

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


>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
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.0 (GNU/Linux)

iD8DBQE98Iz6F6dfvkL3i1gRAgZ9AJ4zRB7dLsatDgsbTxg2SQfBnuNr/wCfV+xb
NdY2pNvyHPbFUTI5urAaTj8=
=vWBZ
-----END PGP SIGNATURE-----
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/