Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 22 Oct 2003 11:43:31 +1000 | From | Nick Piggin <> | Subject | Re: Nick's scheduler v16 |
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Martin J. Bligh wrote:
>>I'm starting to do some large SMP / NUMA testing. Fixed and changed quite >>a bit. It isn't too bad, although I'm only testing dbench, tbench, and >>volanomark at the moment. >> >>These SMP and NUMA changes are not tied to my interactivity stuff, so its >>possible they could get included if they turn out well. If you find any >>problems with it (high end or interactivity), please let me know. >> > >Interesting ... some things get getter, some worse: > >Kernbench: (make -j N vmlinux, where N = 2 x num_cpus) > Elapsed System User CPU > 2.6.0-test8 45.20 100.97 566.65 1476.25 > 2.6.0-test8-nick 44.81 93.98 568.49 1477.50 > 2.6.0-test8-nick2 44.78 94.69 568.81 1482.00 > >elapsed is a tiny bit faster, system is significantly less, but with >higher parallelism: > > >Kernbench: (make -j vmlinux, maximal tasks) > Elapsed System User CPU > 2.6.0-test8 45.86 119.41 569.66 1502.00 > 2.6.0-test8-nick 47.00 112.75 590.40 1495.00 > 2.6.0-test8-nick2 47.11 112.86 590.31 1491.50 > >elapsed is definitely worse now. >
I'll see if I can reproduce this and work out what is going on. Thanks Martin.
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