Messages in this thread | | | Date | Tue, 6 Aug 2002 10:48:51 +0200 | From | Jens Axboe <> | Subject | Re: Linux v2.4.19-rc5 |
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On Tue, Aug 06 2002, Adrian Bunk wrote: > On Tue, 6 Aug 2002, Jens Axboe wrote: > > >... > > try a work load that excercises the block i/o layer alone (O_DIRECT, > > raw, whatnot) and then compare 2.4 and 2.5. ibm had some slides on this > > from ols, unfortunately I don't know if they have then online. > >... > > Pages 390-406 in > > http://www.linux.org.uk/~ajh/ols2002_proceedings.pdf.gz > > or are you talking about something different?
Right thanks, exactly those. Table 3 on page 395 is the one I noted. Forget readv, as that hasn't been done in 2.5 yet. I'd say a 2.5.17 untweaked kernel beating 2.4 tweaked beyond recognition isn't too shabby for a devel series kernel.
-- Jens Axboe
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