Messages in this thread | | | Subject | Re: Hyperthreading | Date | Wed, 17 Apr 2002 23:12:00 +0100 (BST) | From | Alan Cox <> |
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> > And, you've gotta like this line: > > Total of 4 processors activated (14299.95 BogoMIPS). > > Before you get too excited about that, how much performance boost do > you actually get by turning on Hyperthreading? ;-)
10-30% typically. I've actually seen code where you can't measure the improvement because the main cpu code path is precision tuned to the cache... - 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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