Messages in this thread | | | Date | Mon, 12 May 2008 10:54:47 +0300 | From | "Pekka Enberg" <> | Subject | Re: [patch 21/21] slab defrag: Obsolete SLAB |
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On Mon, May 12, 2008 at 10:38 AM, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote: > > > What about the TPC performance regressions? My understanding was that > > > slub still performed worse in the "object allocated on one CPU, freed on > > > the other CPU" type workloads due to less batching. > > > > Which can be the majority of object allocations and frees in some > > workloads. It definately wants fixing. > > Agreed, that situation is very frequency happend, IMHO.
Christoph fixed a tbench regression that was in the same ballpark as the TPC regression reported by Matthew which is why we've asked the Intel folks to re-test. But yeah, we're working on it.
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