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List:       linux-vortex
Subject:    Re: [vortex] 3com 3c905TX: low performance with 3x59x driver
From:       Dmitry Teslya <grimward () mail ! ru>
Date:       2003-09-07 16:51:09
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Donald Becker wrote:<br>
<blockquote type="cite"
 cite="midPine.LNX.4.44.0309051744160.28560-100000@beotest.scyld.com">
  <pre wrap="">
OK, check the performance using 'ttcp' to verify that you are not seeing
some other system limit.
  </pre>
</blockquote>
<font size="-1">I ran nttcp 5 times and here is what I've got:<br>
<br>
$nttcp -v 192.168.255.67 &nbsp;&nbsp;  &nbsp;&nbsp; #my friend running 'nttcp -i'<br>
</font>
<pre>nttcp-l: nttcp, version 1.47
nttcp-l: Pid=936
nttcp-l: from 192.168.255.67: "192.168.255.67" (=nttcp-1: Pid=1366, InetPeer= 1)
nttcp-l: from 192.168.255.67: "192.168.255.67" (=nttcp-1: Optionline=<a \
class="moz-txt-link-rfc2396E" \
                href="mailto:nttcp@-r@)nttcp-l:from192.168.255.67:">"nttcp@-r@)
nttcp-l: from 192.168.255.67: "</a>192.168.255.67" (=dataport: 5038)
nttcp-l: send window size = 16384
nttcp-l: receive window size = 87380
nttcp-l: buflen=4096, bufcnt=2048, dataport=5038/tcp
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: accept from 192.168.255.204
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: send window size = 16384
nttcp-1: receive window size = 87380
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: buflen=4096, bufcnt=2048, dataport=5038/tcp

nttcp-l: transmitted 8388608 bytes
l  8388608    7.61    0.00      8.81436710886.4000    2048    268.99204800000.0
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: received 8388608 bytes
nttcp-l: try to get outstanding messages from 1 remote clients
1  8388608    7.62    0.05      8.8111   1342.1773    5205    683.39  104100.0
nttcp-1: exiting


nttcp-l: transmitted 8388608 bytes
l  8388608   19.30    0.02      3.4779   3355.4432    2048    106.14  102400.0
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: received 8388608 bytes
nttcp-l: try to get outstanding messages from 1 remote clients
1  8388608   19.30    0.08      3.4777    838.8608    5185    268.69   64812.5
nttcp-1: exiting</pre>
<pre>

nttcp-l: transmitted 8388608 bytes
l  8388608    1.42    0.03     47.2952   2236.9621    2048   1443.34   68266.7
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: received 8388608 bytes
nttcp-l: try to get outstanding messages from 1 remote clients
1  8388608    1.43    0.04     47.0779   1677.7216    5058   3548.27  126450.0
nttcp-1: exiting



nttcp-l: transmitted 8388608 bytes
l  8388608    8.76    0.02      7.6637   3355.4432    2048    233.88  102400.0
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: received 8388608 bytes
nttcp-l: try to get outstanding messages from 1 remote clients
1  8388608    8.77    0.05      7.6538   1342.1773    4950    564.55   99000.0
nttcp-1: exiting


nttcp-l: transmitted 8388608 bytes
l  8388608    5.79    0.00     11.59116710886.4000    2048    353.73204800000.0
nttcp-l: try to get outstanding messages from 1 remote clients
nttcp-1: received 8388608 bytes
nttcp-l: try to get outstanding messages from 1 remote clients
1  8388608    5.79    0.05     11.5845   1342.1773    4985    860.53   99700.0
nttcp-1: exiting

Maybe it was not very good time for testing, because we had some troubles with \
network (as I understood  related to connection of new users) and my download speed \
fell to 100kb/sec (from server). 

P.S. Today I tried new 2.4.22 kernel and there were no difference in performance.
</pre>
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