I quote myself here: On Wed, Jul 02, 2014 at 02:05:53PM +0000, Emmanuel Dreyfus wrote: > TCP connection established. > Packet size 1k bytes: 114938 KByte/s Tx, 114816 KByte/s Rx. > Packet size 2k bytes: 114924 KByte/s Tx, 114868 KByte/s Rx. > Packet size 4k bytes: 114871 KByte/s Tx, 114901 KByte/s Rx. > Packet size 8k bytes: 114877 KByte/s Tx, 114900 KByte/s Rx. > Packet size 16k bytes: 114882 KByte/s Tx, 114914 KByte/s Rx. > Packet size 32k bytes: 114881 KByte/s Tx, 114905 KByte/s Rx.
ioperf reports awful perfs. But netperf says: root@saccharose# netperf -H 10.103.101.117 TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.103.101.117 (10.103.101.117) port 0 AF_INET Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 32768 32768 32768 10.01 1152.76 This look much better: maximum bandwith is 1200 Mb/s as I understand. How can this be explained? -- Emmanuel Dreyfus m...@netbsd.org
