Messages in this thread | | | Date | Wed, 06 Jul 2005 12:57:19 -0700 (PDT) | Subject | Re: Slowdown with randomize_va_space in 2.6.12.2 | From | "David S. Miller" <> |
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From: Paulo Marques <pmarques@grupopie.com> Date: Wed, 06 Jul 2005 15:23:56 +0100
> What is weird is that most of the extra time is being accounted as > user-space time, but the user-space application is exactly the same in > both runs, only the "randomize_va_space" parameter changed.
It might be attributable to more cpu cache misses in userspace since the virtual addresses of everything are changing each and every invocation.
But 2 seconds more of execution time is quite a lot. - 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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