Messages in this thread | | | Date | Thu, 21 Nov 2002 14:00:09 +0000 | From | Dave Jones <> | Subject | Re: [BENCHMARK] 2.5.47{-mm1} with contest |
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> > OK, got it back to 119000. Each signal was calling copy_*_user 24 times. > > This gets it down to six. > Also maybe we can do something about that multiple memcpy in copy_fpu_fxsave() > In fact, that looks a bit fishy. We copy 10 bytes each memcpy, but > advance the to ptr 5 bytes each iteration. What gives here ?
<morning caffiene kicks in> Doh, of course.. it's copying shorts. Still looks icky though IMO.
Dave
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - 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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