Multi-core Cyclic Executives for Safety-Critical Systems

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Author(s)

  • Alan Burns
  • C Deutschbein
  • Thomas David Fleming
  • S Baruah

Department/unit(s)

Conference

ConferenceDependable Software Engineering Theories, Tools and Application
Abbreviated titleSETTA
CountryChina
CityChangsha
Conference date(s)23/10/1725/10/17

Publication details

DatePublished - Oct 2017
Number of pages16
Original languageEnglish

Abstract

In a cyclic executive, a series of pre-determined frames are
executed in sequence; once the series is complete the sequence is repeated.
Within each frame individual units of computation are executed, again in
a pre-specified sequence. The implementation of cyclic executives upon
multi-core platforms is considered. A Linear Programming (LP) based
formulation is presented of the problem of constructing cyclic executives
upon multiprocessors for a particular kind of recurrent real-time
workload – collections of implicit-deadline periodic tasks. Techniques are
described for solving the LP formulation under different kinds of restrictions
in order to obtain preemptive and non-preemptive cyclic executives.

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