A13-SOM LAN9512 Ethernet speed

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Added LAN9512 (USB - To - 100MBit Ethernet bridge) recently to my home-brew A13-SOM board.
Maybe someone is courious about the ethernet transfer speed between core i5-70 PC @2.67GHz and A13-SOM @1.01Ghz:

1) rsync 600MByte file transfer using 16 GByte class 10 SD card at A13-SOM using
  rsync -avP --progress -e "ssh -c arcfour" <src> <dst>:
  * writing to A13-SOM: 7.0MByte/s (90% CPU)
  * reading from A13-SOM: 5.2MByte/s (90% CPU)

2) netcat data transfer
  receiver side: nc -v -v -l -n -p 2222 >/dev/null
  sender side: time yes|nc -v -v -n <dst> 2222 >/dev/null
  * sending to A13-SOM: 11.3MByte/s (12.5% CPU)
  * receiving from A13-SOM: 6.3MByte/s (100% CPU)