Messages in this thread | | | Date | Thu, 15 Jan 2009 06:52:36 -0700 | From | Matthew Wilcox <> | Subject | Re: Mainline kernel OLTP performance update |
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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.
-- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."
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