Kiffin Gish wrote on Thu, Dec 29, 2005 at 12:21:00PM +0100: > I recently upgraded from 5.4 to 6.0 and noticed the introduction of > option SCHED_ULE for supporting multi-processor environments. > > However, I understood that using SCHED_ULE with only one CPU can also > improve performance significantly. > > Is this true, and if so, what are the risks involved dropping good old > SCHED_4BSD for the new-and-improved scheduler?
I have not even noticed an increase in performance from ULE when running my benchmark suite on a two-processor system. Some people say ULE has problems, but mostly on high CPU counts. So it probably doesn't matter either way. Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer/ FreeBSD - where you want to go, today. http://www.freebsd.org/ _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
