Re: Gigabit/SMP performance problem

Jon Burgess
2003-01-08T12:09:58Z

Avery Fay wrote:
> can probably handle all of the interrupts. Really the issue I'm
> trying to solve is not routing performance, but rather the fact
> that SMP routing performance is worse while using twice
> the cpu time (2 cpu's at around 95% vs. 1 at around 95%).

Please forgive me if this is a silly suggestion, but are you sure this is a real
95% utilisation in the 2 CPU case. I think some versions of top show 0..200% for
the 2 CPU case, and therefore 95% utilisation is represents a real CPU
utilisation of 47.5%

Jon