Dual Core vs HyperThreading vs Dual CPU

[Danial Thom]

--- Martin Cracauer <cracauer at cons.org> wrote:

> Marc G. Fournier wrote on Tue, Jan 10, 2006 at
> 12:52:24PM -0400: 
> > 
> > I'm going to assume that Dual Core is better
> (can't believe that they took 
> > a step back) ... but, is how does it rate?  I
> know that HyperThreading is 
> > definitely != Dual CPU ... but how close does
> Dual Core get?
> 
> It is the real thing, at least when it comes to
> AMD64 and
> Netburst-based Intel dual-cores.  Every core
> has a full set of own
> caches just like dual CPU.  Yonah (dual-core
> Pentium-M) has a shared
> L2 cache.
> 
> I have benchmarks comparing dual-core 939
> socket systems against dual
> 940 socket systems here:
>
http://cracauer-forum.cons.org/forum/crabench.html

Just a question about your benches, any reason
you just don't ship files to /dev/null? That was
always the standard in unix to get the disk out
of it.

DT

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