[ofa-general] Re: [PATCH v7] IB/mlx4: shrinking WQE

[Roland Dreier]

 > ConnectX supports shrinking wqe, such that a single WR can include
 > multiple units of wqe_shift.  This way, WRs can differ in size, and
 > do not have to be a power of 2 in size, saving memory and speeding up
 > send WR posting.

Given this added complexity:

 6 files changed, 226 insertions(+), 39 deletions(-)

and the unpleasantness of having if (BITS_PER_LONG == 64) various
places, can you quantify the improvement this gives?

Would it make more sense to do this for userspace first?

 - R.