On Thu, Aug 24, 2006 at 08:09:35PM +0200, Laurent C wrote: > Hello all, > > I can't get my athlon x2 processor working at 100% on cpu-intensive apps. > I've made some tests with "john --test" and "transcode", wich are both > multithreaded apps. > > For example if I launch transcode it takes between 50% and 55% cpu (on top), > and if I launch > a second transcode session on another file, the total cpu used on top is > 100%, without lower the speed > of the first transcode session. > > The same behavior occurs with john. A single "john --test" give me some > speed results, and the same > command with a transcode or second "john --test" give me the same speed > results but now with 100% > cpu used. > > I made a "portupgrade -auf" just after building and installing my SMP kernel > and World, to be sure all is up-to-date. > > So it's seems it's not a "top" output problem, but a real underuse of the > computing power. > > %uname -a > FreeBSD wks02.chez.oim 6.1-STABLE FreeBSD 6.1-STABLE #0: Thu Aug 17 18:47:31 > CEST 2006 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/WKS02_SMP amd64 > > Does anyone could explain me what's happening with my system ?
How do you know the applications are running with two threads? Presumably you need to specify the amount of parallelism. Kris
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