Re: -mmX 4G patches feedback [numbers: how much performance impact]

From: Arjan van de Ven
Date: Tue Apr 06 2004 - 11:16:58 EST


On Tue, 2004-04-06 at 17:59, Andrea Arcangeli wrote:

> You should also use a bleeding edge cpu for you measurements with large
> tlb caches, which cpu did you use for your measurements?

afaics all Intel and AMD cpus with more than say 32 or 64 TLB's are
actually 64 bit capable.... so obviously you run a 64 bit kernel there.
(and amd64 even has that sweet CAM filter on the tlbs to mitigate the
effect even if you run a 32 bit kernel)

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