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Interview With Linux Kernel Guru Ingo Molnar

Posted by timothy on from the tux-is-interesting dept.

An anonymous reader writes "KernelTrap has posted an interview with Ingo Molnar, the Linux kernel guru who wrote the O(1) scheduler and improved threading enough to allow hundreds of thousands of threads to run in parallel. The interview covers a wide range of interesting topics, offering much insight into the latest and greatest improvements found in the Linux development kernel. From the new rmap VM, to BitKeeper, to TUX, to comparing Linux with FreeBSD, it's all there..."

2 of 22 comments (clear)

  1. Description of O(1) scheduler? by LordNimon · · Score: 3, Interesting

    It's been ten years since I had Comp Sci class. Does anyone have a pointer to an easy-to-understand description of the O(1) scheduler and how it differs from the previous one?

    --
    And the men who hold high places must be the ones who start
    To mold a new reality... closer to the heart
  2. slight exageration.. by Anonymous Coward · · Score: 2, Interesting
    improved threading enough to allow hundreds of thousands of threads to run in parallel


    Not exactly. His tests involved *creating* hundreds of thousands of threads and hibernating them instantly. Only a few thousand were ever running at once. That's not to discredit Mr. Molnar, but the x86 architecture (which linux is primarily geared towards) isn't up to the task -- at least not yet. Intel's hyperthreading may eventually change that.