6850 shows 16 CPUs?

[Kuba Ober]

> Regardless, the machines run like a bat-out-of-Redmond and we're seeing
> some impressive, GigE performance. With four, GigE streams into Intel
> Pro/1000 MT, dual-port cards, it looks like we can get 70% of full
> bandwidth, 64B packets before seeing errors.
>
> What I can't figure out is why the kernel is reporting twice the number of
> CPUs as expected.

Aren't those hyperthreading cores? Each HT core would report as two CPUs.

Cheers, Kuba