buffer = 64
[lin@madrid ttcp]$ ttcp -t -s -b 64 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=64 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6886.72 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 860.84
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.38 real seconds = 6879.59 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5160.11
ttcp-r: 0.0user 0.2sys 0:02real 10% 0i+0d 0maxrss 0+1pf 0+0csw
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 64 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=64 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6853.67 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 856.71
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6846.60 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5135.37
ttcp-r: 0.0user 0.2sys 0:02real 8% 0i+0d 0maxrss 0+1pf 0+0csw
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 64 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=64 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6868.73 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 858.59
ttcp-t: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6861.50 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5146.54
ttcp-r: 0.0user 0.2sys 0:02real 9% 0i+0d 0maxrss 0+1pf 0+0csw
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 64 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=64 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6868.16 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 858.52
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6866.58 KB/sec +++
ttcp-r: 12286 I/O calls, msec/call = 0.20, calls/sec = 5149.10
ttcp-r: 0.0user 0.2sys 0:02real 8% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 64 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=64 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6872.12 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 859.02
ttcp-t: 0.0user 0.0sys 0:02real 2% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.38 real seconds = 6870.62 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5153.38
ttcp-r: 0.0user 0.3sys 0:02real 13% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 128
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 128 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=128 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6846.95 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 855.87
ttcp-t: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.40 real seconds = 6839.80 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5130.27
ttcp-r: 0.0user 0.2sys 0:02real 9% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 128 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=128 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6880.95 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 860.12
ttcp-t: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.38 real seconds = 6873.73 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5155.72
ttcp-r: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 128 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=128 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6866.77 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 858.35
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6859.59 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5145.11
ttcp-r: 0.0user 0.2sys 0:02real 8% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 128 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=128 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6869.09 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 858.64
ttcp-t: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6857.63 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5143.64
ttcp-r: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 128 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=128 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6873.08 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 859.14
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6865.07 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5149.22
ttcp-r: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 256
Expeimrnt 2
[lin@madrid ttcp]$ ttcp -t -s -b 256 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=256 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6859.44 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 857.43
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6848.46 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5136.76
ttcp-r: 0.0user 0.2sys 0:02real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 256 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=256 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6857.42 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 857.18
ttcp-t: 0.0user 0.1sys 0:02real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6850.70 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5138.45
ttcp-r: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 256 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=256 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.41 real seconds = 6811.55 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 851.44
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.41 real seconds = 6810.05 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5107.95
ttcp-r: 0.0user 0.2sys 0:02real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 256 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=256 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6853.77 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 856.72
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6842.78 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.20, calls/sec = 5132.09
ttcp-r: 0.0user 0.1sys 0:02real 6% 0i+0d 0maxrss 0+1pf 0+0csw
Experment 2
[lin@madrid ttcp]$ ttcp -t -s -b 256 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=256 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6870.73 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 858.84
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6863.55 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5148.08
ttcp-r: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 512
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 512 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=512 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6858.72 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 857.34
ttcp-t: 0.0user 0.1sys 0:02real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6852.10 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.20, calls/sec = 5139.08
ttcp-r: 0.0user 0.2sys 0:02real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 512 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=512 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6885.08 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 860.64
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.38 real seconds = 6877.93 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5158.87
ttcp-r: 0.0user 0.2sys 0:02real 10% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 512 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=512 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6873.58 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 859.20
ttcp-t: 0.0user 0.1sys 0:02real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6862.10 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5146.99
ttcp-r: 0.0user 0.2sys 0:02real 9% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 512 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=512 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.41 real seconds = 6803.76 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 850.47
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.41 real seconds = 6801.75 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5101.73
ttcp-r: 0.0user 0.3sys 0:02real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 512 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=512 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6857.57 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 857.20
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6850.37 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5138.19
ttcp-r: 0.0user 0.2sys 0:02real 8% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 1024
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1024 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1024 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.40 real seconds = 6829.73 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 853.72
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.40 real seconds = 6822.72 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.20, calls/sec = 5117.04
ttcp-r: 0.0user 0.1sys 0:02real 6% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1024 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1024 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.40 real seconds = 6833.31 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.20, calls/sec = 854.16
ttcp-t: 0.0user 0.1sys 0:02real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.40 real seconds = 6826.29 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5120.13
ttcp-r: 0.0user 0.2sys 0:02real 10% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1024 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1024 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6869.76 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 858.72
ttcp-t: 0.0user 0.0sys 0:02real 2% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6868.26 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5151.62
ttcp-r: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1024 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1024 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.38 real seconds = 6887.93 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 860.99
ttcp-t: 0.0user 0.0sys 0:02real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.38 real seconds = 6880.76 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5160.99
ttcp-r: 0.0user 0.2sys 0:02real 10% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1024 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1024 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 2.39 real seconds = 6857.37 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 1.19, calls/sec = 857.17
ttcp-t: 0.0user 0.1sys 0:02real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 2.39 real seconds = 6850.20 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.20, calls/sec = 5138.07
ttcp-r: 0.0user 0.1sys 0:02real 7% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 2048
[lin@madrid ttcp]$ ttcp -t -s -b 2048 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2048 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.70 real seconds = 9615.86 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.85, calls/sec = 1201.98
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.71 real seconds = 9595.45 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.14, calls/sec = 7197.17
ttcp-r: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2048 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2048 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.71 real seconds = 9571.82 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.86, calls/sec = 1196.48
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.71 real seconds = 9557.16 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.14, calls/sec = 7168.46
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2048 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2048 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.70 real seconds = 9610.07 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.85, calls/sec = 1201.26
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.71 real seconds = 9606.57 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.14, calls/sec = 7204.93
ttcp-r: 0.0user 0.3sys 0:01real 21% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2048 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2048 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.71 real seconds = 9594.63 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.85, calls/sec = 1199.33
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.71 real seconds = 9591.70 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.14, calls/sec = 7194.36
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10693.69 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.77, calls/sec = 1336.71
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10677.16 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8007.87
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Buffer size 3072
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 3072 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=3072 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.60 real seconds = 10232.89 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.80, calls/sec = 1279.11
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.60 real seconds = 10230.73 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 7673.05
ttcp-r: 0.0user 0.2sys 0:01real 18% 0i+0d 0maxrss 0+1pf
0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 3072 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=3072 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.61 real seconds = 10191.15 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.80, calls/sec = 1273.89
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.61 real seconds = 10188.86 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.13, calls/sec = 7642.27
ttcp-r: 0.0user 0.1sys 0:01real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 3072 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=3072 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.60 real seconds = 10215.61 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.80, calls/sec = 1276.95
ttcp-t: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.60 real seconds = 10213.47 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.13, calls/sec = 7660.73
ttcp-r: 0.0user 0.1sys 0:01real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 3072 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=3072 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.60 real seconds = 10224.26 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.80, calls/sec = 1278.03
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.60 real seconds = 10221.82 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 7666.37
ttcp-r: 0.0user 0.3sys 0:01real 20% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 3072 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=3072 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.61 real seconds = 10195.08 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.80, calls/sec = 1274.38
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.61 real seconds = 10192.97 KB/sec +++
ttcp-r: 12289 I/O calls, msec/call = 0.13, calls/sec = 7645.35
ttcp-r: 0.0user 0.1sys 0:01real 11% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size = 4096
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10684.58 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.77, calls/sec = 1335.57
ttcp-t: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10681.97 KB/sec +++
ttcp-r: 12278 I/O calls, msec/call = 0.13, calls/sec = 8004.96
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+2pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10722.75 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1340.34
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10720.09 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8040.07
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10728.05 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1341.01
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10725.55 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8044.16
ttcp-r: 0.0user 0.2sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10710.20 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1338.78
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10707.84 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8030.88
ttcp-r: 0.0user 0.3sys 0:01real 22% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10716.85 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1339.61
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10713.71 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.13, calls/sec = 8034.63
ttcp-r: 0.0user 0.1sys 0:01real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4096 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4096 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.53 real seconds = 10726.70 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1340.84
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.53 real seconds = 10723.47 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8042.61
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 5120
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 5120 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=5120 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.51 real seconds = 10879.27 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1359.91
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.51 real seconds = 10860.00 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.13, calls/sec = 8144.34
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 5120 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=5120 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.51 real seconds = 10840.24 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1355.03
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.51 real seconds = 10822.25 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8116.69
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 5120 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=5120 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.52 real seconds = 10778.86 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.76, calls/sec = 1347.36
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.52 real seconds = 10750.56 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8062.92
ttcp-r: 0.0user 0.1sys 0:01real 12% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 5120 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=5120 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.51 real seconds = 10875.30 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1359.41
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.51 real seconds = 10857.13 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8142.85
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 5120 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=5120 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.51 real seconds = 10867.42 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1358.43
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.51 real seconds = 10848.74 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8136.55
ttcp-r: 0.0user 0.2sys 0:01real 19% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 6144
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 6144 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=6144 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.50 real seconds = 10954.39 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1369.30
ttcp-t: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.50 real seconds = 10925.19 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8193.90
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 6144 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=6144 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.50 real seconds = 10958.87 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1369.86
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.50 real seconds = 10940.10 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8205.07
ttcp-r: 0.0user 0.2sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 6144 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=6144 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.50 real seconds = 10928.85 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1366.11
ttcp-t: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.50 real seconds = 10910.34 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.13, calls/sec = 8182.75
ttcp-r: 0.0user 0.2sys 0:01real 20% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 6144 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=6144 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.49 real seconds = 10972.39 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1371.55
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.50 real seconds = 10953.48 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8215.11
ttcp-r: 0.0user 0.2sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 6144 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=6144 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.49 real seconds = 10963.08 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.75, calls/sec = 1370.39
ttcp-t: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.50 real seconds = 10944.54 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8208.41
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 7168
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 7168 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=7168 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.47 real seconds = 11132.89 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1391.61
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11102.49 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8326.87
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 7168 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=7168 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.47 real seconds = 11121.79 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1390.22
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11100.06 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8324.37
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 7168 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=7168 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.48 real seconds = 11079.85 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1384.98
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11060.21 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8295.16
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 7168 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=7168 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.48 real seconds = 11080.59 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1385.07
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11061.56 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8296.17
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 7168 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=7168 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.47 real seconds = 11116.90 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1389.61
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11097.98 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8323.48
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 8192
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 8192 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=8192 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.47 real seconds = 11110.92 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1388.86
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11106.62 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8329.97
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 8192 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=8192 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.48 real seconds = 11098.73 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1387.34
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11068.54 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8301.40
ttcp-r: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 8192 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=8192 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.48 real seconds = 11106.57 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1388.32
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11087.31 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8315.48
ttcp-r: 0.0user 0.2sys 0:01real 19% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 8192 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=8192 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.47 real seconds = 11110.81 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1388.85
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.48 real seconds = 11089.12 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8316.84
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 8192 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=8192 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.48 real seconds = 11054.47 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.74, calls/sec = 1381.81
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.49 real seconds = 11032.42 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8273.64
ttcp-r: 0.0user 0.1sys 0:01real 12% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 9216
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.45 real seconds = 11272.20 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1409.03
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.45 real seconds = 11266.58 KB/sec +++
ttcp-r: 12277 I/O calls, msec/call = 0.12, calls/sec = 8442.37
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+2pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.46 real seconds = 11259.02 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1407.38
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.46 real seconds = 11239.01 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8428.57
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.46 real seconds = 11199.26 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1399.91
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.47 real seconds = 11179.05 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8384.29
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.45 real seconds = 11276.14 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1409.52
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.45 real seconds = 11271.40 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8453.55
ttcp-r: 0.0user 0.2sys 0:01real 20% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.46 real seconds = 11233.47 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1404.18
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.46 real seconds = 11211.79 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8408.16
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.45 real seconds = 11278.21 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1409.78
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.46 real seconds = 11258.40 KB/sec +++
ttcp-r: 12278 I/O calls, msec/call = 0.12, calls/sec = 8436.93
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+2pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 9216 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=9216 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.45 real seconds = 11281.20 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.73, calls/sec = 1410.15
ttcp-t: 0.0user 0.0sys 0:01real 2% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.45 real seconds = 11276.28 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8457.21
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 10240
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 10240 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=10240 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11441.75 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.22
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11425.33 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8568.30
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 10240 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=10240 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11435.81 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.48
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11415.37 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8561.53
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 10240 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=10240 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11442.13 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.27
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11422.30 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8566.73
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 10240 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=10240 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11428.71 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1428.59
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11405.79 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8554.34
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 10240 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=10240 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11419.13 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1427.39
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11398.22 KB/sec +++
ttcp-r: 12275 I/O calls, msec/call = 0.12, calls/sec = 8539.62
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+2pf 0+0csw
buffer size 11264
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 11264 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=11264 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11444.43 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.55
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11423.65 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8567.74
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 11264 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=11264 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11434.16 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.27
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11428.93 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8571.70
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 11264 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=11264 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11446.44 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.81
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11413.08 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8559.11
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 11264 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=11264 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11435.43 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.43
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11414.48 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8560.16
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 11264 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=11264 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11426.83 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1428.35
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11421.69 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8565.57
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 12288
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11445.50 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.69
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11425.30 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8568.28
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11444.15 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.52
ttcp-t: 0.0user 0.0sys 0:01real 1% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11439.08 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8579.31
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11435.87 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.48
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11414.94 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8560.51
ttcp-r: 0.0user 0.2sys 0:01real 18% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11437.52 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.69
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11406.37 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8554.78
ttcp-r: 0.0user 0.1sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11445.03 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.63
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11412.16 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8559.12
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
buffersize 14336
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11445.56 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.70
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11413.72 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8560.29
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11438.98 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.87
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11415.29 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8561.47
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.44 real seconds = 11403.32 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1425.42
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11369.83 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8527.38
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Expeirment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.44 real seconds = 11407.11 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1425.89
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11374.60 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8530.95
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11437.34 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1429.67
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11404.64 KB/sec +++
ttcp-r: 12287 I/O calls, msec/call = 0.12, calls/sec = 8552.79
ttcp-r: 0.0user 0.2sys 0:01real 16% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 12288 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=12288 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11444.99 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.62
ttcp-t: 0.0user 0.1sys 0:01real 9% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11412.30 KB/sec +++
ttcp-r: 12288 I/O calls, msec/call = 0.12, calls/sec = 8559.22
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 51200
[lin@madrid ttcp]$ ttcp -t -s -b 51200 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=51200 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11468.63 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1433.58
ttcp-t: 0.0user 0.1sys 0:01real 8% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11437.24 KB/sec +++
ttcp-r: 12285 I/O calls, msec/call = 0.12, calls/sec = 8575.83
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 51200 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=51200 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11468.50 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1433.56
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11440.25 KB/sec +++
ttcp-r: 12284 I/O calls, msec/call = 0.12, calls/sec = 8577.39
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 51200 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=51200 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11467.18 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1433.40
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11434.97 KB/sec +++
ttcp-r: 12285 I/O calls, msec/call = 0.12, calls/sec = 8574.13
ttcp-r: 0.0user 0.1sys 0:01real 10% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 51200 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=51200 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11468.64 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1433.58
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11440.45 KB/sec +++
ttcp-r: 12284 I/O calls, msec/call = 0.12, calls/sec = 8577.54
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 51200 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=51200 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11445.46 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.72, calls/sec = 1430.68
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.44 real seconds = 11414.84 KB/sec +++
ttcp-r: 12285 I/O calls, msec/call = 0.12, calls/sec = 8559.04
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Expeirment 2
[lin@madrid ttcp]$ ttcp -t -s -b 51200 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=51200 tcp
-> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11465.60 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1433.20
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11437.42 KB/sec +++
ttcp-r: 12284 I/O calls, msec/call = 0.12, calls/sec = 8575.27
ttcp-r: 0.0user 0.1sys 0:01real 12% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 1048576
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1048576 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1048576
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11474.31 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.29
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11437.29 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8574.48
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1048576 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1048576
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11475.33 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.42
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11438.23 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8574.48
ttcp-r: 0.0user 0.1sys 0:01real 11% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1048576 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1048576
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11474.83 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.35
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11436.49 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8573.87
ttcp-r: 0.0user 0.1sys 0:01real 12% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1048576 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1048576
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11463.05 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1432.88
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11424.63 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8564.98
ttcp-r: 0.0user 0.2sys 0:01real 17% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 1048576 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=1048576
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11477.63 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.70
ttcp-t: 0.0user 0.0sys 0:01real 4% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11440.40 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8576.11
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
buffer size 2096132
[lin@madrid ttcp]$ ttcp -t -s -b 2096132 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2096132
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11478.23 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.78
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11429.15 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8567.67
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2096132 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2096132
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11475.52 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.44
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11436.68 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8574.02
ttcp-r: 0.0user 0.1sys 0:01real 12% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2096132 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2096132
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11478.29 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.79
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11429.00 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8568.26
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Expeirment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2096132 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2096132
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11461.19 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1432.65
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11424.08 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8563.88
ttcp-r: 0.0user 0.1sys 0:01real 12% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 2096132 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=2096132
tcp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11460.32 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1432.54
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11423.24 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8563.94
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
buffer 4194304
[lin@madrid ttcp]$ ttcp -t -s -b 4194304 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4194304 t
cp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11478.44 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.80
ttcp-t: 0.0user 0.1sys 0:01real 7% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11440.86 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8576.46
ttcp-r: 0.0user 0.2sys 0:01real 14% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4194304 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4194304 t
cp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11475.62 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.45
ttcp-t: 0.0user 0.1sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11438.31 KB/sec +++
ttcp-r: 12283 I/O calls, msec/call = 0.12, calls/sec = 8575.24
ttcp-r: 0.0user 0.1sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4194304 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4194304 t
cp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11476.38 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.55
ttcp-t: 0.0user 0.0sys 0:01real 6% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11438.91 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8575.00
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4194304 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4194304 t
cp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11475.82 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.48
ttcp-t: 0.0user 0.0sys 0:01real 5% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11438.37 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8574.59
ttcp-r: 0.0user 0.1sys 0:01real 13% 0i+0d 0maxrss 0+1pf 0+0csw
Experiment 2
[lin@madrid ttcp]$ ttcp -t -s -b 4194304 192.168.2.2
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001, sockbufsize=4194304 t
cp -> 192.168.2.2
ttcp-t: socket
ttcp-t: sndbuf
ttcp-t: connect
ttcp-t: 16777216 bytes in 1.43 real seconds = 11475.63 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 0.71, calls/sec = 1434.45
ttcp-t: 0.0user 0.0sys 0:01real 3% 0i+0d 0maxrss 0+2pf 0+0csw
[lin@prague ttcp]$ ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
ttcp-r: socket
ttcp-r: accept from 192.168.1.2
ttcp-r: 16777216 bytes in 1.43 real seconds = 11438.13 KB/sec +++
ttcp-r: 12282 I/O calls, msec/call = 0.12, calls/sec = 8574.41
ttcp-r: 0.0user 0.2sys 0:01real 15% 0i+0d 0maxrss 0+1pf 0+0csw