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Name: unknown
Date: June 16, 2003 at 09:21:57
Subject: Re: Hyperthreading and 'lock' prefix
In Reply To: Re: Hyperthreading and 'lock' prefix by
unknown on June 16, 2003 at 08:12:24
Text: || I have written a similar program (which uses inc/dec) which can
|| unerringly distinguish between a single processor and multiple
|| processors. Unfortunately I have currently no system with a HT processor.
|
| So how do you know the program is un-erring?
|

It detects mutliple _physical_ processors (that's the case where
the lock prefix is certainly necessary). I wonder if the 'lock'
is necessary for multiple _logical_ processors.


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