The cyclic executive model and Ada |
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Authors: | T P Baker Alan Shaw |
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Affiliation: | (1) Department of Computer Science, Florida State University, 32304 Tallahassee, FL, USA;(2) Department of Computer Science FR-35, University of Washington, 98195 Seattle, WA, USA |
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Abstract: | Periodic processes are major parts of many real-time embedded computer applications. The programming language Ada permits
programming simple periodic processes, but it has some serious limitations; producing Ada programs with real-time performance
comparable to those produced to date using traditional cyclic executives requires resorting to techniques that are specific
to one machine or compiler. We present and evaluate the cyclic executive model for controlling periodic processes. The features
and limitations of Ada for programming cyclic executive software are discussed and demonstrated, and some practical techniques
for circumventing Ada limitations are described. |
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