On Tue, 25 Sep 2007 14:32:32 -0500
David Young <dyoung@pobox.com> wrote:

...
> 
> It may be possible to get even higher performance by tweaking
> parameters both on the bridge and on the NIC.  For example, the
> latency timer on the primary (PCI) bus may be rather small.  On the
> NIC, both the PCI latency timer and the DMA burst parameters (highly
> NIC-specific) may be too small.
> 
I'm trying to find my notes, but if memory serves correctly I had
serious performance issues with a PCI re(4) on a gigE network.


		--Steve Bellovin, http://www.cs.columbia.edu/~smb