[ofa-general] SDP and iWARP

[Craig Prescott]

Craig Prescott wrote:
> Steve Wise wrote:
>> Craig Prescott wrote:
>>> [root at tebow2 ~]# /opt/netperf/bin/netperf -H 128.227.253.91 -L 
>>> 128.227.253.92 -t SDP_STREAM -c -C -l 10 -p 5006
>>> SDP STREAM TEST from 128.227.253.92 (128.227.253.92) port 0 AF_INET 
>>> to 128.227.253.91 (128.227.253.91) port 0 AF_INET
>>> Recv   Send    Send                          Utilization       
>>> Service Demand
>>> Socket Socket  Message  Elapsed              Send     Recv     
>>> Send    Recv
>>> Size   Size    Size     Time     Throughput  local    remote   
>>> local   remote
>>> bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      
>>> us/KB   us/KB
>>>
>>> 262144 262144 262144    10.00      6305.54   16.39    14.38    
>>> 0.852   1.495
>>> The patch to enable this is not big - I will produce one and send it to
>>> the list.  Might not happen before next week.
>> What mtu are you using?
> 9000.
BTW, I don't think I followed up on this to the list. 
The reason for the crummy throughput above was because
the Chelsio cards were in PCIe x4 slots (*blush*).

Once in x8 slots, netperf SDP_STREAM looks like this:

SDP STREAM TEST from 128.227.253.92 (128.227.253.92) port 0 AF_INET to 
128.227.253.91 (128.227.253.91) port 0 AF_INET : cpu bind
Recv   Send    Send                          Utilization       Service 
Demand
Socket Socket  Message  Elapsed              Send     Recv     Send    Recv
Size   Size    Size     Time     Throughput  local    remote   local   
remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

262144 262144 262144    20.00      9402.58   25.50    26.68    0.889   
0.930 

Am summarizing on a web page now.

Cheers,
Craig