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Date: Fri, 01 Nov 2002 04:27:33 +0300
From: Hans Reiser <reiser@namesys.com>
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To: Andrew Morton <akpm@digeo.com>
CC: =?ISO-8859-1?Q?Dieter_N=FCtzel?= <Dieter.Nuetzel@hamburg.de>,
       Jeff Garzik <jgarzik@pobox.com>,
       Linux Kernel <linux-kernel@vger.kernel.org>, Reiserfs-List@namesys.com,
       Oleg Drokin <green@namesys.com>, zam@namesys.com,
       umka <umka@thebsh.namesys.com>
Subject: Re: [BK][PATCH] Reiser4, will double Linux FS performance, pleaseapply
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Andrew Morton wrote:

>Hans Reiser wrote:
>  
>
>>Green and Zam and Umka, on Monday please start work on seriously
>>analyzing how the block allocation differs between the new and the old
>>kernel, now that you can finally reproduce the benchmark on the old kernel.
>>    
>>
>
>I just sent the Orlov allocator patch to Linus.  It will double or
>triple ext2 performance in that test, so please make sure you compare
>against the latest.  There's a copy at
>http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.45/shpte-stuff/broken-out/orlov-allocator.patch
>
>We can expect similar gains for ext3, when that's done.
>
>(The 2x-3x is on an 8meg filesystem.  Larger filesystems should
>gain more)
>
>
>  
>
Well, if we are only 2.5 times as fast for writes as ext3 after your 
patch is applied, I'll still feel good.;-)  

Better benchmarks will be conducted during the next 3 months, the ones 
we have are still a bit raw....

-- 
Hans


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