From mboxrd@z Thu Jan  1 00:00:00 1970
From: Robert Olsson <Robert.Olsson@data.slu.se>
Subject: Re: Intel and TOE in the news
Date: Mon, 21 Feb 2005 16:38:01 +0100
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Cc: Thomas Graf <tgraf@suug.ch>, Andi Kleen <ak@muc.de>,
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jamal writes:

 > Infact performance goes down when you batch in some cases depending on
 > the hardware used. My investigation shows that if you have a fast CPU
 > and a fast bus, theres always only one packet in flight within the
 > stack. Batching by definition requires more than one packet.

 Hello!

 Yes when queue length/batch increases you're risking to load the L2 
 twice for the same skb. Which is the most expensive operation.... 
 Forwarding profiles show most functions where cache misses occur.

					--ro