Re: cpuid : Hyper threading siblings: 16?

[Martin Steigerwald <Martin@lichtvoll.de>]

Am Donnerstag, 8. November 2012 schrieb Philip Ashmore:
> But cat /proc/cpuinfo says:
> ...
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 42
> model name      : Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz
> stepping        : 7
> microcode       : 0x28
> cpu MHz         : 2201.000
> cache size      : 6144 KB
> physical id     : 0
> siblings        : 8
> core id         : 0
> cpu cores       : 4
> ...
> 
> I'm sure the system has 4 cores or 8 hyper-threads.
> Am I reading it wrong?

Regarding the subject of you mail:

Thats in total 8 siblings.

So you divide 8 / 4 and get 2 siblings per core. I never seen any 
hyperthreading with more than 2 siblings per core so far.

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7