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Concurrency and Scheduling (part 1). CPS210 Spring 2006. Papers. Scheduler Activations Tom Anderson Lottery Scheduling Carl Waldspurger. User mode. Kernel mode. Kernel threads. Thread. Thread. Thread. Thread. PC SP. PC SP. PC SP. PC SP. …. …. …. …. Scheduler. User mode.

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Concurrency and Scheduling (part 1)

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Concurrency and Scheduling (part 1)

CPS210

Spring 2006


Papers

  • Scheduler Activations

    • Tom Anderson

  • Lottery Scheduling

    • Carl Waldspurger


User mode

Kernel mode

Kernel threads

Thread

Thread

Thread

Thread

PC

SP

PC

SP

PC

SP

PC

SP

Scheduler


User mode

Kernel mode

User threads

Thread

Thread

Thread

Thread

PC

SP

PC

SP

PC

SP

PC

SP

Sched

Scheduler


Example currency graph


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