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Date:      Sun, 14 Nov 2004 20:07:42 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        current@freebsd.org
Subject:   Re: Detection of HTT
Message-ID:  <20041115040742.GA50559@xor.obsecurity.org>
In-Reply-To: <20041115034101.GF51636@squash.dsto.defence.gov.au>
References:  <4197C217-3622-11D9-B78A-000A95A9A574@nordahl.net> <41972BA2.3090609@freebsd.org> <d8a0b76204111402012a63fcff@mail.gmail.com> <4197A47D.1070205@freebsd.org> <4487F0CE-3685-11D9-B78A-000A95A9A574@nordahl.net> <d8a0b76204111418561b49921d@mail.gmail.com> <20041115034101.GF51636@squash.dsto.defence.gov.au>

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On Mon, Nov 15, 2004 at 02:11:01PM +1030, Wilkinson, Alex wrote:
> Why is HTT turned off out of the box ? I thought HTT was meant to be a
> hardware 'performance enhancing' feature.

Only in the Intel marketing literature.

> Why do we disable it ?

Because it's not, for general workloads.  Consult the archives for
further discussion of this topic, which comes up frequently.

Kris

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