From: Simon Kirby <sim@netnation.com>
Date: Thu, 22 May 2003 04:44:38 -0700
There's no APIC on this test box, so it's using the XT-PIC.
Production has an APIC, so I assume the overhead would be less
there.
It is absolutely critical for routing throughput. XT-PIC overhead
severely limits your maximum packets/second switching rate.
Another thing to watch out for are drivers still using PIO to
access device registers (3c59x comes to mind).
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