Fedora 13 networking performs extremely well

[Bruno Wolff III]

On Wed, Aug 04, 2010 at 11:33:16 -0400,
  Uwe Zimmermann <uwe at gambitcomm.com> wrote:
> 
> Can some expert point me at a specific fix (spec, kernel module, source
> code revision) that could account for this? It would be in the networking
> code, possibly the socket demultiplexer. I have looked for this for a
> while and just cannot find it. This change would be after Fedora 12.
> Any hint would be appreciated.

It might be related to keeping the processing on the same cpus to improve
cache use.