[wplug] Core duos?

Michael Skowvron michaels at penguincentral.org
Fri Feb 8 10:07:13 EST 2008


Matthew White wrote:
> A Core Duo is only 1 CPU- even though it has two cores, it only counts 
> as 1 unit.

The term CPU is now confusing because it can mean two different things. 
The industry is adopting the term "socket" to refer to a physical 
package and "core" to refer to a processing unit.

A Core Duo is two independent processing units "cores" contained within 
one physical "socket". A Quad is 4 processing units in a single socket.

Saying "it counts as 1 unit" is not accurate, because it depends on what 
you are counting.

> So you shouldn't need to do anything to take advantage of 
> its' features.

You need to have a muliprocessor aware kernel (SMP kernel) to access 
more than 1 processor (or core). However, you probably don't need to do 
anything special because nearly every distribution now ships with SMP 
support enabled by default.


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