Date: Thu, 11 May 2006 12:16:35 -0400 From: Lucas Holt <luke@foolishgames.com> To: OxY <oxy@field.hu> Cc: freebsd-hackers@freebsd.org, freebsd-performance@freebsd.org Subject: Re: enabling hyper-threading on intel dual-core Message-ID: <1DD6C5CE-047E-4489-AF66-902B27020CD0@foolishgames.com> In-Reply-To: <000801c67513$f814f7f0$0201a8c0@oxy> References: <000801c67513$f814f7f0$0201a8c0@oxy>
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I think intel chips with dual core don't have hyperthreading. The operating system sees the second core like it would with hyperthreading only. On May 11, 2006, at 12:00 PM, OxY 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" Lucas Holt Luke@FoolishGames.com ________________________________________________________ FoolishGames.com (Jewel Fan Site) JustJournal.com (Free blogging) FoolishGames.net (Enemy Territory site)
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