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From: Ingo Molnar <mingo@elte.hu>
To: Martin Knoblauch <knobi@knobisoft.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl,
	wfg@mail.ustc.edu.cn, torvalds@linux-foundation.org,
	riel@redhat.com
Subject: Re: 2.6.24-rc1: First impressions
Date: Mon, 29 Oct 2007 12:40:48 +0100	[thread overview]
Message-ID: <20071029114048.GA22599@elte.hu> (raw)
In-Reply-To: <213736.67377.qm@web32614.mail.mud.yahoo.com>


* Martin Knoblauch <knobi@knobisoft.de> wrote:

>  One of the reasons I do 15 GB transfers is to make sure that I am 
>  well above the possible page cache size. And of course I am doing a 
>  final sync to finish the runs :-) The sync is also running faster in 
>  2.6.24-rc1.
> 
>  If I factor it in the results for dd1/dd3 are:
> 
> test                2.6.19.2        2.6.22.6    2.6.24-rc1
> sync time              18sec           19sec          6sec
> dd1                     27.5            47.5            92
> dd3                    3x9.1           3x8.5          3x29
> 
> So basically including the sync time make 2.6.24-rc1 even more 
> promosing. Now, I know that my benchmarks numbers are crude and show 
> only a very small aspect of system performance. But - it is an aspect 
> I care about a lot. And those benchmarks match my use-case pretty 
> good.

indeed. I'm even more impressed :)

	Ingo

  reply	other threads:[~2007-10-29 11:41 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-29 11:09 2.6.24-rc1: First impressions Martin Knoblauch
2007-10-29 11:40 ` Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-10-29  8:29 Martin Knoblauch
2007-10-26 14:18 Martin Knoblauch
2007-10-26 15:22 ` Ingo Molnar
2007-10-26 15:29   ` Peter Zijlstra
2007-10-26 15:49     ` Rik van Riel
2007-10-26 19:21   ` Andrew Morton
2007-10-26 19:33     ` Ingo Molnar
2007-10-26 19:42       ` Andrew Morton
2007-10-27 19:14         ` Bill Davidsen
2007-10-27  5:46     ` Arjan van de Ven
2007-10-27  5:59       ` Andrew Morton

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