Hypertherading

[pluknet]

2009/5/7 Scott Long <scottl at samsco.org>:
> Ollivier Robert wrote:
>>
>> On 7/05/2009 10:17, Bob Bishop wrote:
>>>
>>> AFAICS the reference doesn't support that conclusion at all.
>>
>> Nehalem CPUs'HT feature is significantly different from the one present in
>> previous P4 CPUs.  Apparently, Nehalem's HT works.  Memory bandwidth being
>> much higher helps too.
>>
>
> I keep here the anecdote that "it's better".  Is there a good reference
> somewhere that describes exactly how it works?
>
> Scott

Hi.

There is a number of synthetic, low-level, and h/level application
nehalem tests flowing around in Russian.
Also, not far ago (31.12.2008 18:09) Intel has published the Intel
Optimization Reference Manual for x32/64.
(see ch. 8). It might be useful.
http://download.intel.com/design/processor/manuals/248966.pdf.


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