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From: Nick Piggin <piggin@cyberone.com.au>
To: Peter Chubb <peter@chubb.wattle.id.au>
Cc: Andrew Morton <akpm@osdl.org>,
	Martin Konold <martin.konold@erfrakon.de>,
	linux-kernel@vger.kernel.org
Subject: Re: Interactive Usage of 2.6.0.test1 worse than 2.4.21
Date: Wed, 06 Aug 2003 10:55:33 +1000	[thread overview]
Message-ID: <3F305205.2010705@cyberone.com.au> (raw)
In-Reply-To: <16176.13066.601441.179810@wombat.chubb.wattle.id.au>



Peter Chubb wrote:

>>>>>>"Andrew" == Andrew Morton <akpm@osdl.org> writes:
>>>>>>
>
>Andrew> Martin Konold <martin.konold@erfrakon.de> wrote:
>
>>>Hi,
>>>
>>>when using 2.6.0.test1 on a high end laptop (P-IV 2.2 GHz, 1GB RAM)
>>>I notice very significant slowdown in interactive usage compared to
>>>2.4.21.
>>>
>>>The difference is most easily seen when switching folders in
>>>kmail. While 2.4.21 is instantaneous 2.6.0.test1 shows the clock
>>>for about 2-3 seconds.
>>>
>>>
>
>I see the same problem, and I'm using XFS.  Booting with
>elevator=deadline fixed it for me.  The anticipatory scheduler hurts
>if you have a disc optimised for low power consumption, not speed.
>
>

I don't think this generalisation is really fair. All hard disks
have the same basic properties which AS exploits. There seems to
be something going wrong though.



  parent reply	other threads:[~2003-08-06  0:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-05  5:04 Interactive Usage of 2.6.0.test1 worse than 2.4.21 Martin Konold
2003-08-05  5:16 ` William Lee Irwin III
2003-08-05  6:26 ` Andrew Morton
2003-08-05  8:16   ` Oleg Drokin
2003-08-05 22:43   ` Peter Chubb
2003-08-05 23:36     ` Andrew Morton
2003-08-06  0:55     ` Nick Piggin [this message]
2003-08-05  7:23 ` Felipe Alfaro Solana
2003-08-05 12:52 ` Bernd Schubert
2003-08-05 13:37   ` Rahul Karnik
2003-08-05 21:29     ` Martin Konold

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