Re: how to test the cache optimization and avoid the fluctuations caused by cache

Marco van de Voort <marcov@stack.nl>
Fri, 19 Jun 2009 06:37:25 +0000 (UTC)

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how to test the cache optimization and avoid the fluctuations caused b joefoxreal@gmail.com (Eric Fisher) (2009-06-17)
Re: how to test the cache optimization and avoid the fluctuations caus marcov@stack.nl (Marco van de Voort) (2009-06-19)
Re: how to test the cache optimization and avoid the fluctuations caus SidTouati@uvsq.fr (Sid Touati) (2009-06-19)
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From: Marco van de Voort <marcov@stack.nl>
Newsgroups: comp.compilers
Date: Fri, 19 Jun 2009 06:37:25 +0000 (UTC)
Organization: Stack Usenet News Service
References: 09-06-058
Keywords: benchmarks
Posted-Date: 21 Jun 2009 16:47:58 EDT

On 2009-06-17, Eric Fisher <joefoxreal@gmail.com> wrote:
> I'm tuning the compiler on benchmark using data prefetching. But the time
> that the test spends varies for each run. It's hard to say whether the
> tuning if better or worse.
>
> Is there any good way to avoid the fluctuations caused by cache?


If you use windows, start by turning off powermanagement.


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