Paul Brook wrote:
> 
> The only way to reliably tell is to try it. 

Right.

> Hyperthreading helps some things and hurts others.

I have an AMD64 hyperthreaded box at home and I don't see when it should
harm... :-/

The point of hyperthreading is to use unused ressources of the processor
for the second thread/process (the scheduler must be good enough to not
block everything).

Just an uneducated guess...

Regards
-- 
Emmanuel Fleury

Most of my cliches aren't original.
  -- Chuck Knox, NFL football coach


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