Freebsd IP Forwarding performance (question,
and some info) [7-stable, current, em, smp]
brian.mcginty at gmail.com
Tue Jul 8 21:13:49 UTC 2008
> I have a pre-production card. With some bug fixes and some tuning of
> interrupt handling (custom stack - I've been asked to push the changes
> back in to CVS, I just don't have time right now) an otherwise
> unoptimized igb can forward 1.04Mpps from one port to another (1.04
> Mpps in on igb0 and 1.04 Mpps out on igb1) using 3.5 cores on an 8
> core system.
I have a 8 core system running stock Linux that easily does line rate
(ie, 1.488 Mpps) on 3 (82575) interfaces. Ie, 3 * 1.48 Mpps!
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