Re: Mainline kernel OLTP performance update

[Pekka Enberg]

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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