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    SubjectRe: A different metric for scheduler optimisation

    > In case your application switches rapidly, it is thrashing the cache, which
    > is crucial for performance with current CPUs. You simply don't want to do
    > that, ever. You get best performance by _never_ switching

    So MSDOS is the world's best OS ? :-))

    IMHO if we change the current behaviour of the scheduler to try to minimize
    cache trashing it will also lead to higher switching latencies and to a
    coarser distrubution of CPU time. We can get similer results by decreasing HZ.

    Bye.



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