[ofa-general] Re: should it be possible to run SDP over a T320?

[Rick Jones]

>> Was this data these posted on-list? I didn't see it.
>>
> 
> Hasn't been.  I presume that folks are curious?-)

		      RedHat Enterprise Linux 5
		      Single-Stream Performance

                              Bulk Transfer                "Latency"
                          Unidir            Bidir
     Card          Mbit/s SDx   SDr   Mbit/s SDx   SDr   Tran/s SDx   SDr
-------------------------------------------------------------------------
  AD313A  IPoIB 1.1 2970 4.418 4.544  3530  3.59  3.95  19290 n/a   n/a
  AD313A  SDP   1.1 7810 0.453 1.048 12820  0.69  0.68  38030 26.29 26.29
  AD313A  SDP p0    7810 0.346 0.527 12670  0.42  0.43  19380 n/a   n/a
  AD313A  IPoIP 1.2 5510 0.426 1.593  5730  n/a   n/a   18990 n/a   n/a
  AD313A  SDP   1.2 7820 0.409 1.047 12890  0.64  0.68  41988 25.89 26.32
  AD313A SDP p0 1.2 7820 0.309 0.517 12760  0.36  0.36  19800 15.47 15.72

netperf, -s 1M -S 1M -m 64K on the unidir tests (TCP_STREAM, 
SDP_STREAM), -s 1M -S 1M -r 64K -b 12 for the bidirectional [SDP|TCP]_RR 
test, -r 1 for the [TCP|SDP]_RR test.

1.1 - OFED 1.1 bits
1.2 - OFED 1.2 bits
p0  - send_poll and recv_poll set to 0
SD - service demand in microseconds of CPU time consumed per unit of 
work - per KB transferred for the bulk tests, per transaction on the 
latency test.  'x' is transmit 'r' is receive

lspci for the AD313A shows:

03:00.0 InfiniBand: Mellanox Technologies MT25208 InfiniHost III Ex 
(Tavor compatibility mode) (rev 20)

rick jones