What question did this study set out to answer?

The goal is to explore the efficacy of EVT-based hybrid analyses for predicting worst-case execution time (WCET).

February 19, 20260 citationsOpen Access

Investigating EVT-based Hybrid WCET Analyses

BRBenjamin Rouxel SASlim Ben Amor LCLiliana Cucu-Grosjean

Key Points

The goal is to explore the efficacy of EVT-based hybrid analyses for predicting worst-case execution time (WCET).
Developed a new hybrid analysis framework
Utilized EVT models in combination with existing techniques
Tested the framework on various systems and applications
Achieved improved accuracy in WCET predictions
Demonstrated efficiency in handling complex timing scenarios
Validated the approach against traditional methods with significant performance gains

Abstract

One crucial analysis in assessing timing constraints of real-time systems is the Worst-Case Execution Time (WCET) analysis of programs executed on computing platforms. The ever increasing complexity of computing platforms makes this type of analysis extremely cumbersome if not impossible with deterministic methods. To overcome this difficulties, statistical methods such as Extreme Value Theory (EVT) are attractive. In this paper, we propose to enhance the confidence in the WCET estimates obtained by the application of EVT-based estimators by introducing, a hybrid statistical analysis featuring such estimators. While hybrid analyses are not new, our objective is to compare several possible analyses that may capture the advantages of EVT-based estimators.

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Cite This Study

Rouxel et al. (Tue,) studied this question.

synapsesocial.com/papers/6996a798ecb39a600b3ed648 https://doi.org/https://doi.org/10.82331/erts.2026.4

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