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Design and Performance of Configurable Endsystem Scheduling Mechanisms

Tejasvi Aswathanarayana, Venkita Subramonian, Douglas Niehaus and Christopher Gill

Presented at IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS 2005), San Francisco, California, March 7 - 10, 2005


This paper describes a scheduling abstraction, called group scheduling, that emphasizes fine grain configurability of scheduling system semantics. The group scheduling approach described and evaluated in this paper is an extremely flexible framework within which a wide range of scheduling semantics can be expressed. The paper describes both the OS and middleware based implementations of the framework, and shows through evaluation that they produce the same behavior from a non-trivial set of application computations. Further, the evaluation shows that the framework can easily support applicationaware scheduling algorithms to improve performance.

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