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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Predicated Worst-Case Execution-Time Analysis
verfasst von : Amine Marref, Guillem Bernat
Erschienen in: Reliable Software Technologies – Ada-Europe 2009
Verlag: Springer Berlin Heidelberg
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Tightness in WCET estimation is highly desirable for an efficient utilisation of resources. In order to obtain accurate WCET values, more program execution-history must be accounted for. In this paper we propose the use of Predicated WCET Analysis with constraint logic-programming to model context sensitive execution-times of program segments.
Our method achieves considerable tightness in comparison to traditional calculation methods that exceeded 20% in some cases during evaluation. Computing the WCET of programs modeled using our approach reveals a great ease of expressing execution-time dependencies and manageable WCET-calculation time-complexity.