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Date: Thu, 17 May 2007 19:26:03 +1000 From: Con Kolivas <kernel@...ivas.org> To: ck@....kolivas.org Cc: "Kacper Wysocki" <kacperw@...ine.no>, linux-kernel@...r.kernel.org Subject: Re: [ck] Swap prefetch tester On Wednesday 16 May 2007 06:04, Kacper Wysocki wrote: > ...a nice order of magnitude better! Very happy you fixed this Con. Great!, thanks for testing. > Have I understood correctly that there are more prefetch improvements > in ck2 than just the sp38 patch? No; 2.6.21-ck2 simply brings it up to sp38. The code in -ck for swap prefetch is a little different to suit the SD scheduler and the SCHED_IDLEPRIO patch. > > I'll post more results if I ever manage to tear myself from the > computer for 10 minutes when I'm home - it looks like I have a yiff > daemon running at 7% cpu all the time which might have affected the > results. > > Speaking of "feel", the net effect of swap prefetch for me seems to be > that I don't notice it - that is, I don't notice my programs behaving > sluggishly when I come back to the computer. Excellent! Excellent!. Thanks very much for your feedback. -- -ck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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