[ofa-general] Re: [PATCH 0/5]: Improve small UDP messages

[chas williams - CONTRACTOR]

In message <1202027602.5839.11.camel at mtls03>,Eli Cohen writes:
>> > On the receive side the code is changed to post to receive queue once in
>> > 16 completions. This is done in for both UD and and CM.
>> 
>> Ohmm, have you tested latency? I think it will increase latency for
>> small messages.
>
>I see also improvement in latency. I used netperf -t UDP_RR and -t
>TCP_RR and in both cases I improvement.

this is just going to affect the resupply of rx buffers if i understand
the code correctly.  this wont delay the arrival of packets but perhaps
it should be some fraction of the rq length instead of just 16.