[openib-general] [PATCH/RFC 1/2] IB: Return "maybe_missed_event" hint from ib_req_notify_cq()
Roland Dreier
rdreier at cisco.com
Thu Oct 19 19:39:25 PDT 2006
> I have applied this patch and updated patch 2/2. You will send out an
> updated patch 2/2, I think.
Sorry, messed that up. I just sent out the patch.
> I did some extra modification in ipoib code, (which has more extra
> repolls). I do see around 10% or more performance improvement now with this
> change on both scaling and none scaling code. I will run oprofile tomorrow
> to see the difference. I think with these extra repolls, the cpu
> utilization would be much higher.
You mean you add more calls to ib_poll_cq()? Where do you add them?
Why does it help?
- R.
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