> > The 900Mbps are similar to what I see here on similar hardware. > > What kind of receive performance do you observe? I haven´t got that > far yet. > > > > For your two-interface setup, are the 600Mbps aggregate send rate on > > both interfaces, or do you see 600Mbps per interface? In the latter > > 600Mbps per interface. I´m going to try this out also on -CURRENT > to see if it changes anything. Interrupts do not seem to pose a big > problem because I´m seeing only a few thousand em interrupts > a second but since every packet involves a write call there are >100k > syscalls a second. > > > case, is your CPU maxed out? Only one can be in the kernel under > > -stable, so the second one won't help much. With small packets like > > that, you may be interrupt-bound. (Until Luigi releases polling for em > > interfaces... :-) > > > I´ll try changing the packet sizes to figure out optimum. >
Try my port of the netbsd kttcp kernel module. You can find it at http://www.freebsd.org/~sam It will eliminate the system calls. Don't recall if you said your system is a dual-processor; I never tried it on SMP hardware. Sam To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-net" in the body of the message