Re: Mainline kernel OLTP performance update

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Matthew Wilcox wrote:
On Thu, Jan 15, 2009 at 11:46:09AM +0200, Pekka Enberg wrote:
It would also be nice if someone could do the performance analysis on
the SLUB bug. I ran sysbench in oltp mode here and the results look
like this:

  [ number of transactions per second from 10 runs. ]

                   min      max      avg      sd
  2.6.29-rc1-slab  833.77   852.32   845.10   4.72
  2.6.29-rc1-slub  823.61   851.94   836.74   8.57

And no, the numbers are not flipped, SLUB beats SLAB here. :(

Um.  More transactions per second is good.  Your numbers show SLAB
beating SLUB (even on your dual-CPU system).  And SLAB shows a lower
standard deviation, which is also good.

*blush*

Will do oprofile tomorrow. Thanks Matthew.
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