Re: hyperthreading or not

To: Paul Brook <paul@codesourcery.com>
Cc: debian-amd64@lists.debian.org, michael <michael@etalon.net>
Subject: Re: hyperthreading or not
From: Emmanuel Fleury <emmanuel.fleury@labri.fr>
Date: Tue, 24 Jan 2006 09:38:51 +0100
Message-id: <[🔎] 43D5E79B.50809@labri.fr>
In-reply-to: <[🔎] 200601240259.59335.paul@codesourcery.com>
References: <[🔎] 20060124003056.M20857@www.etalon.net> <[🔎] 200601240259.59335.paul@codesourcery.com>

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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Follow-Ups:
- Re: hyperthreading or not
  - From: Jo Shields <jo.shields@comlab.ox.ac.uk>

References:
- hyperthreading or not
  - From: "michael" <michael@etalon.net>
- Re: hyperthreading or not
  - From: Paul Brook <paul@codesourcery.com>

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