Re: Intel and TOE in the news

[Robert Olsson <Robert.Olsson@xxxxxxxxxxx>]

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