> >The limited testing I've done on a Sun V20z at work suggests that you > >can get better routing throughput in interrupt mode than polling mode. > >YMMV and this is before tweaking the polling parameters. (My testing > >also suggests that I don't really need to do any tweaking because > >the limiting factor is the gigabit interfaces rather than the V20z).
I've noticed a higher (and variable) RTT with polling mode activated, without tweaking any parameters. > > This might not apply to bge, but the adaptive polling + fast interrupt > changes that I made to if_em earlier in the year were a huge win over > the standard polling code in terms of CPU utilization and packets per > second. I think it also survived a load that caused normal polling to > essentially livelock the machine. And, it had the advantage of > automatically adapting to bursty loads. -- Att., Marcelo Gardini _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
