Date: Sat, 26 Mar 2005 19:28:11 +0100 From: Anthony Atkielski <atkielski.anthony@wanadoo.fr> To: freebsd-questions@freebsd.org Subject: Re: hyper threading. Message-ID: <1641928994.20050326192811@wanadoo.fr> In-Reply-To: <c6ef380c050326061976f164b@mail.gmail.com> References: <c6ef380c050326061976f164b@mail.gmail.com>
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Perttu Laine writes: > I have 3,4ghz ht processor and freebsd shows up only one processors. I > suppose it should show two in ht models? so, GENERIC kernel doesn't > support it? but should I add to kernel config to enable it? by reading > config examples I think this should be enough: > > options SMP Yes, that's all you need. Just add that line, rebuild and reinstall the kernel, and you're all set. Works great. Hyperthreading doesn't buy you as much as truly separate processors, but it helps you get more bang for the buck out of your single processor (depending on the type of workload you run). -- Anthony
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