[openib-general] Send_bw in UD
Chevchenkovic Chevchenkovic
chevchenkovic at gmail.com
Thu Nov 16 04:35:35 PST 2006
Hi,
Infiniband specification says that the completion notification in case of
RC occurs when the data has actually reached the destination buffer. Whereas
for UD it is given when the data is placed on the infiniband line.
I was going through the code send_bw.c(
https://openfabrics.org/svn/gen2/tags/openib-1.0-rc1/src/userspace/perftest/send_bw.c
).
This tells the time taken for the data to reach the destination. In the case
of UD the same code is used. Should it not have the code which waits for the
acknowledgement from the destination?
Alternately, is the bandwidth computation wrong in this case?
Comments will be welcome,
-Chev
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