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Date:      Sat, 07 Mar 2015 01:43:27 -0800
From:      Julian Elischer <julian@freebsd.org>
To:        freebsd-arch@freebsd.org
Subject:   Re: RFC: Simplfying hyperthreading distinctions
Message-ID:  <54FAC83F.7020008@freebsd.org>
In-Reply-To: <2092193.qt8NhEKglv@ralph.baldwin.cx>
References:  <1640664.8z9mx3EOQs@ralph.baldwin.cx> <CAJ-VmoknoYw-jkihmutN6qB=Piy4O73bzV50ijDaEaNvEncGpA@mail.gmail.com> <2092193.qt8NhEKglv@ralph.baldwin.cx>

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On 3/6/15 3:41 PM, John Baldwin wrote:
> We are now in the odd situation where we refer to a small (and 
> shrinking) set of CPUs that support HTT as HTT and we refer to a 
> much larger (and growing) set of CPUs that support HTT as something 
> else. This means that if a random user wants to see if FreeBSD 
> supports HTT they won't see that in dmesg on a modern CPU without 
> having some sort of magic decoder ring.
I like the HTT (SMT variant)  idea.  More information is better.






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