Aspects of a Dynamically Adaptive Operating System
IEEE Transactions on Computers
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This paper describes an experimental algorithm for allocating use of a central processing unit to perform separate data processing tasks in a multitasking system. The algorithm, which may control only a subset of the tasks being performed by the system, appears to improve run time for some work loads. Tasks with a recent history of using input/output facilities are given preference. This heuristic treatment of tasks is carried over to the algorithm itself, which modifies its own characteristics based on its overall effectiveness in handling the tasks under its control.