Pradeep Satyanarayana wrote:
Rick Jones wrote:
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.
What was the mtu used for these tests?
The defaults, which are, IIRC, 2044 bytes for 1.1 and 65520 bytes for 1.2.
Netperf will convert "1M" to 1048576 and "64K" to 65536.
rick jones
wonders what other numbers are out there...
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