enabling hyper-threading on intel dual-core

Lucas Holt luke at foolishgames.com
Thu May 11 16:17:00 UTC 2006

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
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Lucas Holt
Luke at FoolishGames.com
FoolishGames.com  (Jewel Fan Site)
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