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Date:      Thu, 07 May 2009 10:26:09 -0600
From:      Scott Long <scottl@samsco.org>
To:        Ollivier Robert <roberto@keltia.freenix.fr>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Hypertherading
Message-ID:  <4A030BA1.8070709@samsco.org>
In-Reply-To: <4A030ADB.9050802@keltia.freenix.fr>
References:  <270637.78561.qm@web63905.mail.re1.yahoo.com>	<a31046fc0905061955u4a7b5755ifbcd7bd5641cd954@mail.gmail.com>	<32413E83-2059-4A47-AB45-EA7A1A509DD6@gid.co.uk> <4A030ADB.9050802@keltia.freenix.fr>

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Ollivier Robert wrote:
> On 7/05/2009 10:17, Bob Bishop wrote:
>> AFAICS the reference doesn't support that conclusion at all.
> Nehalem CPUs'HT feature is significantly different from the one present 
> in previous P4 CPUs.  Apparently, Nehalem's HT works.  Memory bandwidth 
> being much higher helps too.
> 

I keep here the anecdote that "it's better".  Is there a good reference 
somewhere that describes exactly how it works?

Scott




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