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Achieving timing composability with measurement-based probabilistic timing analysis
Kosmidis, Leonidas; Quiñones, Eduardo; Abella Ferrer, Jaume; Vardanega, Tulio; Cazorla Almeida, Francisco Javier
Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
Probabilistic Timing Analysis (PTA) allows complex hardware acceleration features, which defeat classic timing analysis, to be used in hard real-time systems. PTA can do that because it drastically reduces intrinsic dependence on execution history. This distinctive feature is a great facilitator to time composability, which is a must for industry needing incremental development and qualification. In this paper we show how time composability is achieved in PTA-conformant systems and how the pessimism of worst-case execution time bounds obtained from PTA is contained within a 5% to 25% range for representative application scenarios
Peer Reviewed
Àrees temàtiques de la UPC::Matemàtiques i estadística::Probabilitat
Àrees temàtiques de la UPC::Informàtica::Programació
Real-time data processing
Probabilities
Probabilistic timing analysis
Temps real (Informàtica)
Probabilitats
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
         

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