Re: [BK][PATCH] Reiser4, will double Linux FS performance, pleaseapply

From: Hans Reiser (reiser@namesys.com)
Date: Thu Oct 31 2002 - 20:27:33 EST


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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