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    SubjectRe: [PATCH] improve rwsem scalability (was Re: [CFT][RFC] HT scheduler)


    Ingo Molnar wrote:

    >On Fri, 12 Dec 2003, Nick Piggin wrote:
    >
    >
    >>getting contended. The following graph is a best of 3 runs average.
    >>http://www.kerneltrap.org/~npiggin/rwsem.png
    >>
    >
    >the graphs are too noise to be conclusive.
    >
    >
    >>The part to look at is the tail. I need to do some more testing to see
    >>if its significant.
    >>
    >
    >yes, could you go from 150 to 300?
    >

    The benchmark dies at 160 rooms unfortunately. Probably something in the
    JVM.

    I'll do a larger number of runs around the 130-150 mark.


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