Date: Mon, 29 Oct 2007 12:40:48 +0100
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
Message-ID: <20071029114048.GA22599@elte.hu>
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* 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
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