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Lookup NU author(s): Dr Frank Burns,
Dr Albert Koelmans,
Professor Alex Yakovlev
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Determining a tight WCET of a block of code to be executed on a modern superscalar processor architecture is becoming ever more difficult due to the dynamic behaviour exhibited by current processors, which include dynamic scheduling features such as speculative and out-of-order execution in the context of multiple execution units with deep pipelines. We describe the use of Coloured Petri Nets (CP-nets) in a simulation based approach to this problem. A complex model of a generic processor architecture is described, with emphasis on the modelling strategy for obtaining the WCET and an analysis of the results.
Author(s): Burns F, Koelmans A, Yakovlev A
Publication type: Article
Publication status: Published
Journal: Real-Time Systems
ISSN (electronic): 1573-1383
Publisher: Springer New York LLC
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