Messages in this thread | | | Subject | Re: Mainline kernel OLTP performance update | From | Andi Kleen <> | Date | Fri, 16 Jan 2009 11:20:32 +0100 |
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"Zhang, Yanmin" <yanmin_zhang@linux.intel.com> writes:
> I think that's because SLQB > doesn't pass through big object allocation to page allocator. > netperf UDP-U-1k has less improvement with SLQB.
That sounds like just the page allocator needs to be improved. That would help everyone. We talked a bit about this earlier, some of the heuristics for hot/cold pages are quite outdated and have been tuned for obsolete machines and also its fast path is quite long. Unfortunately no code currently.
-Andi
-- ak@linux.intel.com -- Speaking for myself only.
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