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

Eric Fisher <joefoxreal@gmail.com>
Wed, 17 Jun 2009 08:17:11 +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: Eric Fisher <joefoxreal@gmail.com>
Newsgroups: comp.compilers
Date: Wed, 17 Jun 2009 08:17:11 +0000 (UTC)
Organization: A poorly-installed InterNetNews site
Keywords: performance, architecture, question
Posted-Date: 18 Jun 2009 17:33:30 EDT

Hi,


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?


Thanks,
Eric


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