Messages in this thread | | | Date | Mon, 20 Jun 2011 21:42:36 +0200 | From | Andi Kleen <> | Subject | Re: [slub p2 0/4] SLUB: [RFC] Per cpu partial lists V2 |
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On Mon, Jun 20, 2011 at 10:32:44AM -0500, Christoph Lameter wrote: > The following patchset applied on top of the lockless patchset V7. It > introduces per cpu partial lists which allow a performance increase of > around ~15 during contention for the nodelock (can be tested using > hackbench).
What size system did you test it on? > > These lists help to avoid per nodelocking overhead. Allocator latency > could be further reduced by making these operations work without > disabling interrupts (like the fastpath and the free slowpath) as well as > implementing better ways of handling ther cpu array with partial pages.
I think we really need better batching for the transfers.
-andi -- ak@linux.intel.com -- Speaking for myself only.
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