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    SubjectMoore's law (was Re: [patch 0/9] mutex subsystem, -V4)
    Hi!

    > Another example: Ingo's VFS stresstest which is hitting i_sem hard: it only
    > does ~8000 ops/sec on an 8-way, and it's an artificial microbenchmark which
    > is _designed_ to hit that lock hard. So if/when i_sem is converted to a
    > mutex, I figure that the benefits to ARM in that workload will be about a
    > 0.01% performance increase. ie: about two hours' worth of Moore's law in a
    > dopey microbenchmark.

    :-) Expressing performance increases in Moore's hours seems like
    neat trick. OTOH I do not think it is valid any more. Single-threaded
    performance stopped increasing 2 years ago AFAICS. Plus people are
    pushing Linux onto smaller machines, that were unavailable 2 years
    ago.


    Pavel
    --
    Thanks, Sharp!
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