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Numerous Scheduler Changes Inbound For Linux 4.7

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  • Numerous Scheduler Changes Inbound For Linux 4.7

    Phoronix: Numerous Scheduler Changes Inbound For Linux 4.7

    Ingo Molnar is once again quite punctual with submitting his pull requests for a newly-opened kernel cycle. One of his noteworthy updates mailed in today were for the kernel's scheduler changes...

    http://www.phoronix.com/scan.php?pag...eduler-Changes

  • #2
    It will be interesting to run some heavily multithreaded benchmarks, to see if there is a significant difference in performance due to these changes.

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    • #3
      Originally posted by tajjada View Post
      It will be interesting to run some heavily multithreaded benchmarks, to see if there is a significant difference in performance due to these changes.

      You're more likely to expose the scheduler problems if you have multiple high-workload tasks going at the same time. Most multi-threaded benchmarks tend to scale linearly, so an occasional non-running thread (on the order of hundreds microseconds) won't kill you. Having multiple tasks both fighting for those cores, however, is far more likely to expose the problems previously discovered.

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