[Pixman] add enable-cache-prefetch option
sandmann at daimi.au.dk
Tue Sep 21 08:36:30 PDT 2010
Liu Xinyun <xinyun.liu at intel.com> writes:
> This patch is to add a new configuration option: enable-cache-prefetch,
> which is default yes.
> Here is a link which talks on cache issue.
> When disable it on Atom CPU(configured with --enable-cache-prefetch=no),
> it will have a little performance gain. Here is the patch.
I think the cache prefetch code should just be deleted outright. No
benchmarks that I'm aware of show it to be an improvement.
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