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SubjectRe: Slowdown with randomize_va_space in
From: Paulo Marques <>
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

But 2 seconds more of execution time is quite a lot.
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