[Info-vax] Intel previews new Itanium "Poulson" processor

[IanMiller]

On Feb 28, 2:13 pm, koeh... at eisner.nospam.encompasserve.org (Bob
Koehler) wrote:
> In article <ik6pvg$9h... at news.albasani.net>, Jan-Erik Soderholm <jan-erik.soderh... at telia.com> writes:
>
> > First, it's 4 -> 8 *cores*. So each CPU will behave as double the amount
> > a "CPUs" as seen by e.g OpenVMS. That is, the scheduler has more "CPUs"
> > to schedule process amongst. That in itself will of course make more
> > jobb to be done, not by a single process but by the system as a whole.
>
>    I know that may processors, starting with those in laptops, reduce
>    power consumption when not particularly busy (like my laptop right
>    now supporting byte transmission over SSH).
>
>    I wonder if anyone has looked into halting some of those cores when
>    not busy?  I'd hate to have the power companies burning more coal
>    just to support all those null loops.


Itainium processors have power management capabilities and these are
supported on the HP Integrity Servers running OpenVMS. V8.4 has
various facilities to control this.