On 10/18/11 15:26, Ivan Klymenko wrote: > В Tue, 18 Oct 2011 16:00:48 +0300 > Andriy Gapon <a...@freebsd.org> пишет: > >> on 18/10/2011 14:30 Ivan Klymenko said the following: >>> В Tue, 18 Oct 2011 12:04:36 +0300 >>> Urmas Lett <urmas.l...@eenet.ee> пишет: >>> >>>> Hello. >>>> >>>> Why is ffmpeg -threads massively slower with ULE than 4BSD? >>>> >>>> ffmpeg preset veryfast with sched_bsd: >>>> real 1m49.407s >>>> user 6m53.932s >>>> sys 0m1.700s >>>> >>>> ffmpeg preset veryfast with sched_ule: >>>> real 2m52.711s >>>> user 6m50.310s >>>> sys 0m1.582s >>>> >>>> #uname -a >>>> FreeBSD 9.0-RC1 FreeBSD 9.0-RC1 #0: Mon Oct 17 20:32:29 EEST >>>> >>>> >>> probably because you have a system processor with 2 cores...? >>> if yes - then use the 4BSD...it is better for the two cores... IMHO >> Do you have any facts to substantiate your claim? >> > well, for example: > http://img37.imageshack.us/img37/9311/plotj.gif > http://img850.imageshack.us/img850/584/plot.gif
Thanks a lot for those diagrams. _______________________________________________ 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"