> > If the group is created at a lower rate, there would be no problem. > > But the default configuration should be "plug an play". > > So you are arguing for 1x SDR as the default. We've discussed and > disagreed on this before as I think it masks performance issues and > those are harder to find. I could be wrong about this.
No, I'm arguing for dynamic configuration as the default. so we start at 4x DDR and bbring the rate down as slower nodes join. > > > ipoib multicast performance doesn't seem that critical. > > > > This is a policy than can be made optional, but should not > > be forced on users by default. > > > > > Whereas disrupting > > > other multicast groups, which could actively be in use by MPI, may be. > > > > The disruption would be very minor - this would happen at most once when > > rate changes > > from DDR to SDR and once when it changes back. > > In frequency it may be minor. It affects other things that should not be > affected. Perhaps that is just a shortcoming of the mechanism underneath > and that can/should be improved. Yes, I agree. -- MST _______________________________________________ general mailing list [EMAIL PROTECTED] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
