ULE 2.0

David Xu davidxu at freebsd.org
Sat Jan 6 02:55:27 PST 2007


On Saturday 06 January 2007 07:46, Jeff Roberson wrote:
> On Fri, 5 Jan 2007, David Xu wrote:
> >> Anyway, thanks for the pointer Xu.  I may hack this up and compare it to
> >> ULE's current balancing.
> >
> > Yesterday, I have tested super-smack benchmark on 2-cpu machine, ULE
> > decreased performance about 40%, this might be a regression though.
>
> I just fixed a regression in the load balancer.  On my 8way opteron ULE is
> now 22% faster than 4BSD for select-key.smack with 32 threads.  This is
> for both KSE and libthr.  libthr is of course significantly faster
> overall.  I believe I can improve this even more by borrowing some tricks
> from solaris.
>
> Jeff

I have tried it, but my dual-core Athlon X2 3800+ is locked up under stress
testing.

David Xu



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