On Friday 16 January 2009 21:16:31 Pekka Enberg wrote:
>> I had lockdep enabled in my config so I ran the tests again with
>> x86-64 defconfig and I'm back to square one:
>>
>> [ number of transactions per second from 10 runs, bigger is better ]
>>
>> min max avg sd
>> 2.6.29-rc1-slab 802.02 805.37 803.93 0.97
>> 2.6.29-rc1-slub 807.78 811.20 809.86 1.05
On Fri, Jan 16, 2009 at 12:21 PM, Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
> Hm, I wonder why it is going slower with lockdep disabled?
> Did something else change?
I don't have the exact config for the previous tests but it's was just
my laptop regular config whereas the new tests are x86-64 defconfig.
So I think I'm just hitting some of the other OLTP regressions here,
aren't I? There's some scheduler related options such as
CONFIG_GROUP_SCHED and CONFIG_FAIR_GROUP_SCHED enabled in defconfig
that I didn't have in the original tests. I can try without them if
you want but I'm not sure it's relevant for SLAB vs SLUB tests.
Pekka
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