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Date: Sat, 20 Dec 2008 22:39:54 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Brett Glass <brett@lariat.net>
In-Reply-To: <200812202039.NAA10290@lariat.net>
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References: <200812202039.NAA10290@lariat.net>
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Cc: questions@freebsd.org
Subject: Re: Status of hyperthreading in FreeBSD
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> "Netbooks" based on Intel's "Atom" microprocessor are turning into big hits 
> this Christmas season. The Atom, a super-low-power x86 processor, is an 
> "in-order" machine, which means that except for a few special cases it can 
> spend a lot of time waiting for data to arrive when it encounters a cache 
> miss. So, hyperthreading may make sense on this kind of processor as compared 
> to one with out-of-order execution.
>
> Which raises a question: What's the status of FreeBSD's support for 
> hyperthreading?
for FreeBSD it's just like 2 processors.