Per core frequency control

Liontaur liontaur at gmail.com
Wed Nov 10 07:03:50 UTC 2010


On Tue, Nov 9, 2010 at 9:54 AM, David Brodbeck <gull at gull.us> wrote:

> On Tue, Nov 9, 2010 at 5:17 AM, Svein Skogen (Listmail account)
> <svein-listmail at stillbilde.net> wrote:
> > You did read the "symmetric" part of "symmetric multi processor" didn't
> you?
> >
> > It's a limitation of the technology. One clock.
>
> I don't think that's quite true.  The newer Intel server chipsets have
> the ability to throttle back idle cores and boost the speed of active
> ones, to improve performance on single-threaded workloads.
>

AMD has similar technology on the Phenom's as well. I'm not sure how
factually accurate the following link's assessment is but it's a good read
either way.
http://www.anandtech.com/show/3641/amd-divulges-phenom-ii-x6-secrets-turbo-core-enabled


Mark


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