[Prism54-users] prism54 performance
feyd@seznam.cz
feyd@seznam.cz
Thu, 27 Nov 2003 11:33:33 +0100
On Tue, 25 Nov 2003 18:16:25 +0100
feyd@seznam.cz wrote:
>
> I cant test this until I get second board with PCI 2.2.
In the meantime, I got these results with uml using raw socket
bound to eth2:
eth1 PRISM Duette/GT ESSID:"x"
Mode:Master Frequency:2.442GHz Access Point: 00:04:E2:80:9C:8E
Bit Rate:54Mb/s Sensitivity=20/200
Retry min limit:8 RTS thr:2347 B Fragment thr:2346 B
Encryption key:off
Link Quality:197 Signal level:0 Noise level:58
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth2 PRISM Duette/GT ESSID:"x"
Mode:Managed Frequency:2.442GHz Access Point: 00:04:E2:80:9C:8E
Bit Rate:54Mb/s Sensitivity=20/200
Retry min limit:8 RTS thr:2347 B Fragment thr:2346 B
Encryption key:off
Link Quality:170/0 Signal level:-8 dBm Noise level:-182 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
alfa:~ # bing 192.168.1.1 192.168.1.2
BING 192.168.1.1 (192.168.1.1) and 192.168.1.2 (192.168.1.2)
44 and 108 data bytes
1024 bits in 0.000ms
1024 bits in 0.041ms: 24975610bps, 0.000040ms per bit
1024 bits in 0.009ms: 113777778bps, 0.000009ms per bit
1024 bits in 0.114ms: 8982456bps, 0.000111ms per bit
1024 bits in 0.255ms: 4015686bps, 0.000249ms per bit
1024 bits in 0.209ms: 4899522bps, 0.000204ms per bit
1024 bits in 0.275ms: 3723636bps, 0.000269ms per bit
1024 bits in 0.268ms: 3820896bps, 0.000262ms per bit
1024 bits in 0.017ms: 60235294bps, 0.000017ms per bit
1024 bits in 0.051ms: 20078431bps, 0.000050ms per bit
1024 bits in 0.084ms: 12190476bps, 0.000082ms per bit
1024 bits in 0.137ms: 7474453bps, 0.000134ms per bit
1024 bits in 0.197ms: 5197970bps, 0.000192ms per bit
1024 bits in 0.179ms: 5720670bps, 0.000175ms per bit
1024 bits in 0.000ms
1024 bits in 0.053ms: 19320755bps, 0.000052ms per bit
1024 bits in 0.107ms: 9570093bps, 0.000104ms per bit
1024 bits in 0.093ms: 11010753bps, 0.000091ms per bit
1024 bits in 0.096ms: 10666667bps, 0.000094ms per bit
1024 bits in 0.102ms: 10039216bps, 0.000100ms per bit
1024 bits in 0.104ms: 9846154bps, 0.000102ms per bit
1024 bits in 0.100ms: 10240000bps, 0.000098ms per bit
1024 bits in 0.104ms: 9846154bps, 0.000102ms per bit
1024 bits in 0.081ms: 12641975bps, 0.000079ms per bit
1024 bits in 0.088ms: 11636364bps, 0.000086ms per bit
1024 bits in 0.105ms: 9752381bps, 0.000103ms per bit
1024 bits in 0.101ms: 10138614bps, 0.000099ms per bit
1024 bits in 0.109ms: 9394495bps, 0.000106ms per bit
1024 bits in 0.098ms: 10448980bps, 0.000096ms per bit
1024 bits in 0.094ms: 10893617bps, 0.000092ms per bit
1024 bits in 0.070ms: 14628571bps, 0.000068ms per bit
warning: rtt big host1 0.011ms < rtt small host2 0.014ms
warning: rtt big host1 0.014ms < rtt small host2 0.017ms
--- 192.168.1.1 statistics ---
bytes out in dup loss rtt (ms): min avg max
44 28512 28512 0% 0.014 0.017 0.072
108 28512 28512 0% 0.011 0.014 0.041
--- 192.168.1.2 statistics ---
bytes out in dup loss rtt (ms): min avg max
44 28512 28512 0% 1.088 1.292 429.370
108 28512 28511 0% 1.158 1.375 64.100
--- estimated link characteristics ---
estimated throughput 14628571bps
minimum delay per packet 1.026ms (15007 bits)
average statistics (experimental) :
packet loss: small 0%, big 0%, total 0%
average throughput 12337349bps
average delay per packet 1.227ms (17945 bits)
weighted average throughput 12337133bps
tcpspray performace is quite variable:
alfa:~ # /tmp/tcpspray/tcpspray -b1048576 -n 100 192.168.1.2
Transmitted 104857600 bytes in 34.290288 seconds (2986.268 kbytes/s)
alfa:~ # /tmp/tcpspray/tcpspray -b1048576 -n 100 -e 192.168.1.2
Transmitted 104857600 bytes in 63.081999 seconds (1623.284 kbytes/s)
Received 104857600 bytes in 63.138073 seconds (1621.842 kbytes/s)
alfa:~ # /tmp/tcpspray/tcpspray -b1048576 -n 100 192.168.1.2
Transmitted 104857600 bytes in 44.333018 seconds (2309.791 kbytes/s)
alfa:~ # /tmp/tcpspray/tcpspray -b1048576 -n 100 -e 192.168.1.2
Transmitted 104857600 bytes in 73.316994 seconds (1396.675 kbytes/s)
Received 104857600 bytes in 73.372860 seconds (1395.611 kbytes/s)
--
Feyd