ULE vs. 4BSD in RELENG_7
Josh Carroll
josh.carroll at gmail.com
Fri Nov 9 19:02:31 PST 2007
> Josh, I had an interesting thought today. What if the reason 4BSD is
> faster is because it distributes load more evenly across all packages
> because it distributes randomly? ULE distributed across cores evenly but
> not packages. Can you try the attached patch? This also turns the
> default slice size down but does not contain the other context switch
> performance improvements.
Hi Jeff,
here are the results:
ffmpeg: 1:38.885
sysbench: (4,8,12,16 threads respectively):
2221.93
2327.87
2292.49
2269.29
And buildworld: 13m47.052s
Much improved! :)
Josh
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