Date: Mon, 20 Sep 2010 10:13:58 -0700 From: Chuck Swiger <cswiger@mac.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-performance@freebsd.org Subject: Re: Intel TurboBoost in practice Message-ID: <24B6979E-505D-436E-AAC0-D20516C14F5D@mac.com> In-Reply-To: <i77vbq$a00$1@dough.gmane.org> References: <4C4AF046.40507@FreeBSD.org> <4C959830.3060808@FreeBSD.org> <i77vbq$a00$1@dough.gmane.org>
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On Sep 20, 2010, at 8:41 AM, Ivan Voras wrote: [ ... ] > If I understand correctly, TurboBoost is supposed to increase the frequency of one or a small number of cores only? > > What is the physical increase in frequency on this CPU when TurboBoost is enabled? It depends on how many cores are active, but it should vary between 3.2 GHz and 3.6 GHz if thermal requirements stay OK. Two pages here have a good description: http://www.anandtech.com/show/2832/4 http://www.anandtech.com/show/2832/5 Regards, -- -Chuck
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