Jordy Ruiz

Jordy Ruiz
Université de Lille · Composants et Systèmes pour l'Information et la Communication Avancée (IRCICA)

PhD

About

6
Publications
312
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16
Citations
Introduction
Skills and Expertise

Publications

Publications (6)
Chapter
In this paper we propose a new abstract domain for static analysis of binary code. Our motivation stems from the need to improve the precision of the estimation of the Worst-Case Execution Time (WCET) of safety-critical real-time code. WCET estimation requires computing information such as upper bounds on the number of loop iterations, unfeasible e...
Thesis
Full-text available
La recherche d'une borne supérieure au temps d'exécution d'un programme est une partie essentielle du processus de vérification de systèmes temps-réel critiques. Les programmes de tels systèmes ont généralement des temps d'exécution variables et il est difficile, voire impossible, de prédire l'ensemble de ces temps possibles. Au lieu de cela, il es...
Conference Paper
Full-text available
The presence of infeasible paths in a program is a source of imprecision in the Worst-Case Execution Time (WCET) analysis. Detecting, expressing and exploiting such paths can improve the WCET estimation or, at least, improve the confidence we have in estimation precision. In this article, we propose an extension of the FFX format to express conflic...
Article
Worst-Case Execution Time (WCET) is a key component to check temporal constraints of realtime systems. WCET by static analysis provides a safe upper bound. While hardware modelling is now efficient, loss of precision stems mainly in the inclusion of infeasible execution paths in the WCET calculation. This paper proposes a new method to detect such...

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