Yes, that's hyperthreading (as two others before me have said), but one thing
to keep in mind is that you may want to disable it, as on some benchmarks it
actually /slows down/ the system. YMMV.
Aaron
On Friday 28 June 2002 02:52 pm, John David Duncan wrote:
> Hey,
>
> I just installed 4.6-RELEASE on a dual 1.8Mhz Xeon + Tyan S2720
> motherboard (a Relion 140 server from Penguin Computing, actually).
> When I reboot with an SMP kernel, I see:
>
> CPU: Pentium 4 (2199.76-Mhz 686-class CPU)
> CPU: Pentium 4 (2199.76-Mhz 686-class CPU)
> CPU: Pentium 4 (2199.76-Mhz 686-class CPU)
> CPU: Pentium 4 (2199.76-Mhz 686-class CPU)
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> SMP: AP CPU #3 Launched!
>
> That's twice as many CPUs as I think I have, each going 400Mhz faster. Is
> this safe? Correct? Is it that hyperthreading stuff? Should I disable
> it?
>
> Thanks
>
> - JD
>
>
>
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