Messages in this thread | | | Date | Thu, 15 Sep 2011 08:40:13 +0300 | Subject | Re: [PATCH] slub Discard slab page only when node partials > minimum setting | From | Pekka Enberg <> |
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On Thu, Sep 8, 2011 at 5:24 AM, Alex,Shi <alex.shi@intel.com> wrote: >> > BTW, some testing results for your PCP SLUB: >> > >> > for hackbench process testing: >> > on WSM-EP, inc ~60%, NHM-EP inc ~25% >> > on NHM-EX, inc ~200%, core2-EP, inc ~250%. >> > on Tigerton-EX, inc 1900%, :) >> > >> > for hackbench thread testing: >> > on WSM-EP, no clear inc, NHM-EP no clear inc >> > on NHM-EX, inc 10%, core2-EP, inc ~20%. >> > on Tigertion-EX, inc 100%, >> > >> > for netperf loopback testing, no clear performance change. >> did you add my patch to add page to partial list tail in the test? >> Without it the per-cpu partial list can have more significant impact to >> reduce lock contention, so the result isn't precise. >> > > No, the penberg tree did include your patch on slub/partial head. > Actually PCP won't take that path, so, there is no need for your patch. > I daft a patch to remove some unused code in __slab_free, that related > this, and will send it out later.
Which patch is that? Please send me it to penberg@cs.helsinki.fi as @kernel.org email forward isn't working. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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