Shirley> After completion handler receives the notification, don't Shirley> poll the CQ right away, and wait for more WIKIs in Shirley> CQ. That way can reduce the CQ lock overhead.
Roland> That's interesting... it makes sense, and it argues in Roland> favor of deferring CQ polling to a kernel thread. Of Roland> course this will hurt ping-pong latency. Maybe it's Roland> better to just implement NAPI though... And actually it argues against splitting the CQ, because having one CQ increases the number of CQ entries that we have a chance to poll at any one time, by lumping send and receive completions together... - R. _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general