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Test setup:

• Desktop: PentiumD 920 (2×2.8Ghz), 2Gb RAM - FreeBSD-HEAD/amd64
• Target: AMD Geode (486 clone 233Mhz), 128MB RAM [http://www.pcengines.ch/wrap.htm details here]
• Made a fresh world and kernel for the wrap board, compiled with -O1.
• The network was setup to make all the requests and replies pass through the wrap board.

Legend:

• 4.x: FreeBSD 4.11/i386
• 7.x: FreeBSD HEAD/i386 (30/12/2006)
• fwd: net.inet.ip.forwarding=1
• ffwd: net.inet.ip.fastforwarding=1
• poll-1x: device polling activated for sis0
• poll-2x: device polling activated for sis1
• nod:

http://people.freebsd.org/~piso/wrap-exp/wrap-exp.png

http://people.freebsd.org/~piso/wrap-exp/4vs7.png

http://people.freebsd.org/~piso/wrap-exp/4vs7-forwarding-polling.png

http://people.freebsd.org/~piso/wrap-exp/4vs7-fastforwarding-polling.png

http://people.freebsd.org/~piso/wrap-exp/4vs7-polling-complete.png

http://people.freebsd.org/~piso/wrap-exp/7-directvsnodirect.png

http://people.freebsd.org/~piso/wrap-exp/4vs7-nat.png

http://people.freebsd.org/~piso/wrap-exp/7-opt-complete.png