On Wed, 15 Jun 2005, Andi Kleen wrote:
> > Hmm. No. The bigger cpu maps may benefit from cacheline alignment for
> > even for read access.
>
> Why? Can you please explain that. It doesn't make sense to me.
Its more likely to get a big piece of the array in a single
cacheline if the array starts at the beginning of a cacheline.
If these maps would start in the middle of a cacheline then additional
cacheline fetches may become necessary to scan an array etc.
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