Tom Austin nous apporta ses lumieres ainsi en ce 23/07/2004 09:03... :

> Chris Jeppesen wrote:
>
>> Given: One Pentium 4 with hyperthreading (2 virtual processors)
>> Find:  Does running two instances of POV-Ray make sense?
>
>
> Your testing is very interesting.
>
> How about running the exact same tests with hyperthreading turned OFF?
>
> So you'll have 4 results on the exact same hardware
>     single - with hyperthreading
>     double - with hyperthreading
>     single - no hyperthreading
>     double - no hyperthreading
>
> It would be interesting to see the difference between the 
> hyperthreading and non-hyperthreading results.
>
> This might help show what you have found through your testing.
>
>
>
> Tom
>
I saw some P4 benchmarks using the same CPU with and without 
hyperthreading enabled. Most where SLOWER when using hyperthreading. 
Sory, I don't remember where I saw those.

Alain

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