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/Received on Mon Oct 27 2003 - 00:27:15 UTC
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