Sebastian Soeiro (sebastian_2896.delete@this.hotmail.com) on August 2, 2013 12:51 pm wrote:
> rwessel (robertwessel.delete@this.yahoo.com) on August 1, 2013 12:41 am wrote:
> > Sebastian Soeiro (sebastian_2896.delete@this.hotmail.com) on July 31, 2013 2:15 pm wrote:
> > > rwessel (robertwessel.delete@this.yahoo.com) on July 30, 2013 7:01 pm wrote:
> > > - The TLB lies in the store components of a core. (I know you said one TLB per CPU... but then
> > > you said that the TLB lies in the store components, so you must've meant core, correct?)
> >
> >
> > The term CPU has been slightly ambiguous for a long time.
> > In the early days there were no multi-processor machines,
> > and the term CPU was fairly unambiguous (although sometimes
> > people made a distinction between the whole box,
> > and the processor portion of the box - excluding memory,
> > I/O channels, etc.). With multi-processor machines,
> > you sometime saw references to the whole box as the CPU,
> > or the collection of individual processors, although
> > the individual "core" (although that term had yet to be invented) was the most common usage.
> >
> > With the advent of multi-core chips, you have a marketing term "CPU" applied to the thing you buy in
> > a box marked "Intel" that you put in the socket on the motherboard.
> > And we've started to call the individual
> > items inside that thing "cores". Although cores are still individual processor (or CPUs).
> >
> > So yes, for clarity I should have probably said "core", but in a
> > microarchitecturally context core and CPU are pretty synonymous.
> >
> > And don't get me started on Ethernet "switches". We had a
> > perfectly good name for those ("bridges"), and switches
> > performed an similar function but for circuit switched
> > networks (as opposed to packet switched networks like
> > Ethernet). But noooo... The marketing types decided they
> > needed a "better" name... Than that nonsense got
> > extended to other parts of the networking hierarchy. “Level 4 switches”?! You mean a *router*?
> >
> > Hmmm... Too late, I'm already started...
> >
>
> So I guess I shouldn't mention APUs around you, huh?
>
> Opps :)

Well, I guess having two icebreakers with the same name *is* confusing, but the Finns built those two most of a century apart, so there's not much practical confusion. ;-)