Semantics-preserving multitask implementation of synchronous programs

  title={Semantics-preserving multitask implementation of synchronous programs},
  author={Paul Caspi and Norman Scaife and Christos Sofronis and Stavros Tripakis},
  journal={ACM Trans. Embedded Comput. Syst.},
We study the implementation of a synchronous program as a set of multiple tasks running on the same computer, and scheduled by a real-time operating system using some preemptive scheduling policy, such as fixed priority or earliest-deadline first. Multitask implementations are necessary, for instance, in multiperiodic applications, when the worst-case execution time of the program is larger than its smallest period. In this case, a single-task implementation violates the schedulability… CONTINUE READING
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