Date: Fri, 12 May 2006 03:04:59 +0930 From: Shane Ambler <Shane@007Marketing.com> To: FreeBSD Mailing Lists <freebsd-performance@freebsd.org> Subject: Re: enabling hyper-threading on intel dual-core Message-ID: <C089ABDB.40CE7%Shane@007Marketing.com> In-Reply-To: <000801c67513$f814f7f0$0201a8c0@oxy>
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On 12/5/2006 1:30, "OxY" <oxy@field.hu> wrote: > hi! > > i just bought an Intel Pentium D-930 (3ghz dual-core) > and wonder why i just only have CPU0 and CPU1, when i compile with SMP... > > sysctl says: > machdep.cpu_idle_hlt: 0 > > is it right or i should see CPU 2 and 3 starting during the boot? > > thanks for your help! > > ps: i even compiled this option in kernel, can't see any change > > options MPTABLE_FORCE_HTT # Enable HTT CPUs with the MP Table > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org" > Sounds right to me - the 930 is a dual core and will show up as two cpu's cpu0 and cpu1. The early dual core's don't support hyperthreading - the Pentium-D extreme edition does (Pentium D-955 at 3.46Ghz is one) and will show up as 4 cpu's. Currently at 3x the price. -- Shane Ambler Shane@007Marketing.com
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