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xv6-mlfq's Introduction

Michael Berger
CS Login: mberger
Wisc Login: mdberger

Jeremy Koritzinsky
CS Login: koritzinsky
Wisc Login: jhkoritzinsk

Modified existing xv6 to include MLFQ scheduler that would prioritize processes that have been starved (1 second without running) and deprioritize processes that have used up their entire time slice with respect to their current priority level.

We chose not to implement a queue structure, but to instead store the priority and text data in the ptable. We would then circle through the ptable, each time looking for processes at different priority levels to either upgrade/downgrade their priority and/or run the process itself.

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