Subject: Using GPU to do packet forwarding

From: Stephen Hemminger <[email-masked]>
Date: Tue, 24 Aug 2010 15:15:07 -0700

Interesting paper:
  http://www.ndsl.kaist.edu/~kyoungsoo/papers/packetshader.pdf
One section of general consideration is the expense of the current
skb scheme. At 10G, they measure 60% of the CPU is used doing skb
alloc/free; see paper for the alternative of using a huge
packet buffer.  Also, they managed to shrink skb to 8 bytes!