At 08:10 01/04/2004, Bjoern A. Zeeb wrote: >what are the implications on running an SMP enabled kernel on a UP >machine ? > >I first thought of things like: >- performence (most likely not worth the discussion ?)
At least in 5.2-RELEASE, there is a significant performance delta; buildworld takes about 5% longer on an SMP kernel (and the time spent in the kernel is 20% longer). I know some optimizations were done shortly after 5.2, so I wouldn't be surprised if this situation has improved. Colin Percival _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"