[openib-general] [PATCH][3/7]ipoib performance patches -- remove tx_ring

[Roland Dreier]

    Shirley> didn't help somehow.  Even in some code, I induced some
    Shirley> locks, the overall performance of all these 7 patches I
    Shirley> am trying to post here could improve IPoIB from 20% - 80%
    Shirley> unidirectional and doubled bidirectional.

I'm guessing that all of that gain comes from letting the send and
receive completion handlers run simultaneously.  Is that right?

For example how much of an improvement do you see if you just apply
the patches you've posted -- that is, only 1/7, 2/7 and 3/7?

 - R.