Group Scheduling in Systems Software

Michael Frisbie,Douglas Niehaus,Venkita Subramonian,Christopher D. Gill

Molecules (Basel, Switzerland)（2004）SCI 3区

Computing University of Kansas Department of Computer Science and Engineering Information and Telecommunication Technology Center Center for Distributed Object

Cited 19|Views4

Abstract

Summary form only given. Previous system scheduling approaches have focused primarily on system-level abstractions for scheduling decision functions and the mechanisms used to implement them. We introduce a new abstraction called group scheduling that focuses primarily on the progress of application-level computations and on organizing system-level scheduling abstractions to ensure that progress. We make three contributions to system scheduling research. First, it defines a model for group scheduling that augments and complements hierarchical scheduling models. Second, it describes how a computation's progress semantics can be mapped to scheduling mechanisms at the operating system and middleware levels. Third, it presents preliminary empirical studies of the performance of group scheduling in a realistic system environment.

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Key words

middleware,operating systems (computers),processor scheduling,application-level computation,group scheduling,middleware,operating system,realistic system environment,system scheduling,systems software

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