[Gllug] Dual socket AM2 motherboards?
Christian Smith
csmith at thewrongchristian.org.uk
Mon Oct 2 11:16:07 UTC 2006
Martin A. Brooks uttered:
> Mike Brodbelt wrote:
>> Out of curiosity, why? Not that I've got anything against AMD - the
>> Opteron chips are great, but what's wrong with Intel that you'd feel the
>> need to avoid them.
>
> Appalling marketing, mostly. That is, for example, pushing all of the
> advantages of HT (the worst single processor invention of the last 5 years
> imo) without giving the required list of conditions to be met should you wish
> for your code to actually take advantage of the sibling cores rather than, as
> was more often the case, giving marginal improvements in general and in
> specific cases actually being slower.
To be fair to Intel, HT is not an actual bad idea, just a bad
implementation on top of a bad architecture.
The HT-like model is also used SUN's T1 processor, giving up to 4 threads
per core. It is actually a clever solution to make use of ALU units that
would otherwise be idle due to pipeline stalls. And Netburst had lots of
stalls!
I share most of your anti-Intel sentiment, however:)
Christian
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