On Thu, Feb 22, 2007 at 09:13:36AM -0800, jonathan@dsg.stanford.edu wrote:
> Compare the TCP rates (multiple ttcp sessions on multiple NICs) that
> uniprocessor NetBSD-3.1 can sustain, to what FreeBSD-6 can sustain on
> the same hardware --- even *with* SMP and multiple CPUs, and even with
> handling the netisr processing in the context of the
> hardware-interrupt thread (as Jason mentioned earlier).

http://www.tancsa.com/blast.html
might give some insight. Especially interesting is the comparison of
FreeBSD 4 and DragonFly, as the latter uses an interrupt thread model as
well.

Joerg