[tor] pushing 336 Mbps

[Michael C. Toren]

On Fri, Oct 14, 2011 at 07:06:40PM -0700, Andy Isaacson wrote:
> We averaged 336 Mbit/sec this week, with peaks of 450 Mbps.  We're
> largely CPU-saturated now, at least at peak times.
> 
> Awesome! :)

Yay!

> Details on CPU load:
> 
>  - we're running on Xeon X3350  @ 2.66GHz, quad core.
>  - according to oprofile, we're spending around 25% of total CPU time in
>    AES.  If we had software with AES-NI support, and a AES-NI CPU, we
>    could cut that down to 5% or so.

IIRC, tor does not have AES-NI support?

If it did, though, is the correct takeway from the above that if we had
an AES-NI CPU, and if tor support AES-NI, we could push 20% more traffic
(~90 Mbps) at peak?  

-mct