2009/9/30 O. Hartmann <ohart...@mail.zedat.fu-berlin.de>: > Attilio Rao wrote: >> 2009/9/29 Randy Schultz <schu...@earlham.edu>: >>> ----- "Andrew Kuriger" <a.kuri...@liquidphlux.com> spaketh thusly: >>> >>> | >>> | Since the article says that they left the debugging features on I >>> | think >>> | this has a bit to do with it. Obviously the testers didn't care to >>> | read the >>> | documentation, and didn't seem to care to use the same compiler which >>> | is >>> | available in ports, I believe it is safe to chuck this lame >>> | benchmark. >>> >>> >>> Hrm. IMHO, this benchmark actually tells us something interesting. It >>> tells us >>> that with the anchor thrown overboard, freebsd is nearly as fast as linux. >> >> I don't think this is the case. >> The tester claims to be using FreeBSD-RC1 which has all the mentioned >> debugging options off. >> And yes, we should adjust UPDATING in order to remove the (now) >> misleading writing about the debugging options. >> >> I think that the most interesting opionion these benchmarks tell is >> that we are slow on random, threaded I/O operations. I think we need >> to investigate more in this direction. >> >> Attilio >> >> > > Well, since FreeBSD 8.0 started, I realized on several boxes (doens't > matter whether SMP or UP, 2 GB or 8 GB or 16 GB) massive performance > issues when compiling, even on a 8-core box. This is not 'measured' in > hard numbers, it is the 'feeling' since we swapped to 8.0, but still > using the same setup and software environment. On boxes with X11, on > heavy disk I/O and/or heavy compiling, X11 clients sometimes stops for > 90 seconds, mouse gets jumpy etc. This is well known and well ignored, > although I'm not the only one experiencing this.
What do you mean with 'well known' and 'well ignored'? Do you have pointes to such issues? Attilio -- Peace can only be achieved by understanding - A. Einstein _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"
