> > I am thinking about detecting that we are getting a completion each > > couple of microseconds, and just polling a bit more (even if CQ is empty) > > simply to avoid paying 10s micro for the next interrupt. > > This is just a fuzzy idea, but maybe this can work? > > It's a good area to look at (assuming it's worth spending yet more > time on IPoIB performance), but I think it's quite difficult to come > up with a good solution. For example search for Jamal's paper "When > NAPI Comes to Town" to see some related work that was a failure in the > end.
Thanks for the link. What's a bit different here is that we mostly want to do this for TX interrupts. The article speaks about RX interrupts. -- MST _______________________________________________ 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
