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Re: poison mmap cache

On Mon, Aug 11, 2014 at 08:29:13PM -0400, James K. Lowden wrote:
 > I'm testing different algorithms for performance against a single
 > memory-mapped file.  How can I best ensure that for each run the
 > page cache is cold, that the prior run left nothing for the current run
 > to take advantage of?  

The safest way is (has always been, for all benchmarking) to reboot
between runs.

David A. Holland

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