Hardware:
A4000
Ariadne II
A3630
Buster 11

Software:
AmiTCP Genesis 4.6
ariadne_ii.device 43.12
Kickstart 3.1
Workbench 3.9

Non-default settings:
Kickstart in FastRAM


7.Workbench:> ttcp -s -t 192.168.0.1
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp  -> 192.168.0.1
ttcp-t: socket
ttcp-t: connect
ttcp-t: 16777216 bytes in 45.21 real seconds = 362.40 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 22.60, calls/sec = 45.30
ttcp-t: 0:45real
7.Workbench:> ttcp -u -s -t 192.168.0.1
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  udp  -> 192.168.0.1
ttcp-t: socket
ttcp-t: 16777216 bytes in 27.61 real seconds = 593.41 KB/sec +++
ttcp-t: 2054 I/O calls, msec/call = 13.76, calls/sec = 74.39
ttcp-t: 0:27real
7.Workbench:> ttcp -s -r
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 192.168.0.1
ttcp-r: 16777216 bytes in 32.68 real seconds = 501.27 KB/sec +++
ttcp-r: 2305 I/O calls, msec/call = 14.52, calls/sec = 70.52
ttcp-r: 0:32real