Michael S. Tsirkin wrote:
Bulk Transfer "Latency"
Unidir Bidir
Card Mbit/s SDx SDr Mbit/s SDx SDr Tran/s SDx SDr
---------------------------------------------------------------------------
nnnn nnnnn nnnnn nnnn nnnnn nnnnn nnnnn nnnnn nnnnn
AD313A IPoIB 2970 4.418 4.544 3530 3.59 3.95 19290 n/a n/a
AD313A SDP 7810 0.453 1.048 12820 0.69 0.68 38030 26.29 26.29
AD313A SDP p=0 7810 0.346 0.527 12670 0.42 0.043 19380 n/a n/a
What's AD313A? What's the MTU for IPoIB (in OFED 1.2 it defaults to 64K)?
The OFED is whatever is in RHEL5 - someone said that might be 1.1. I had some
problems getting all of it removed enough to get 1.2 to load there - in
particular the ib_sdp stuff.
The AD313A shows as this in lspci:
08:00.0 InfiniBand: Mellanox Technologies MT25208 InfiniHost III Ex (Tavor
compatibility mode) (rev 20)
AS313A is how people order it from HP for their Integrity servers. The work was
targetted at HPers, hence the use of the HP product number in the write-up. I
just didn't think to provide the decoder ring in the post :)
rick jones
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