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Re: Hyperthreading/SMT and NetBSD; how well does it work?

On Mon, Feb 09, 2009 at 08:40:10AM +0000, Andrew Doran wrote:
> This can happen if the system is not loaded, but once the load crosses a
> threshold, HT/SMT will be relied upon to provide a benefit.

Even that gain isn't 100% guaranteed because the cache gets shared
between the HT execution units.


David Laight: david%l8s.co.uk@localhost

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