More ULE bugs fixed.
Jon Mini
mini at FreeBSD.org
Mon Oct 27 01:27:15 PST 2003
Bruce Evans [bde at zeta.org.au] wrote :
> On Sun, 26 Oct 2003, Jon Mini wrote:
>
> > Jeff Roberson [jroberson at chesapeake.net] wrote :
> >
> > > On Fri, 17 Oct 2003, Bruce Evans wrote:
> > >
> > > How would one test if it was an improvement on the 4BSD scheduler? It
> > > is not even competitive in my simple tests.
> >
> > What were your simple tests?
>
> Er, they were in the original mail. Just do parts of buildworld with -j16
> on an SMP system. ULE was 2.4 times slower for make depend and 2.1 times
> slower for make obj. Something must have been very wrong, since make obj,
> especially, should be completely i/o bound so it shouldn't be affected
> by the scheduler. Also, run a bunch of CPU hog processes with various
> nicenesses and look at top output to check that they are given reasonable
> amounts of CPU.
My apologies, I just subscribed to current and only caught the tail
end of this thread.
--
Jonathan Mini <mini at freebsd.org>
http://www.freebsd.org/
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