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Automatic Scenario Detection for Improved WCET Estimation

Domenii publicaţii > Ştiinţe informatice + Tipuri publicaţii > Articol în volumul unei conferinţe

Autori: S.V. Gheorghita, S. Stuijk, T.Basten, H. Corporaal

Editorial: ACM Press, New York, NY, USA, Proceedings of the 42nd Design Automation Conference, p.101-104, 2005.


Modern embedded applications usually have real-time constraints and they are implemented using heterogeneous multiprocessor systems-on-chip. Dimensioning a system requires accurate estimations of the worst-case execution time (WCET). Overestimation leads to over-dimensioning. This paper introduces a method for automatic discovery of scenarios that incorporate correlations between different parts of applications. It is based on the application parameters with a large impact on the execution time. We show on a benchmark that, using scenarios, the estimated WCET may be reduced with 16%.

Cuvinte cheie: WCET, Real-Time, Scenarios