> >> > >> I just want to add my 2 cents, that my recent experience with FreeBSD MP > >> has been extremely positive. I tend to use highly CPU bound MP programs, > >> typically lots and lots of floating point operations. It used to be that > >> Linux beat FreeBSD hands down - now FreeBSD seems to have a slight edge! > >> Basically my program runs about twice as fast when I run two threads as > >> opposed to one - I cannot see doing any better than that! > > > > pure computation does not need kernel operations most of the time.. ie. > > multi-threading kernel wont help much ;) > > > > Yes, I know. But something else was also done to FreeBSD, perhaps fine > tuning with the scheduler, that did bring about massive improvements. >
I assume you're using ULE. Jeff has gone to great lengths to take cache affinity into account. This may be what you are benefiting from. -Kip _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
