Optimisation de performance pour des systèmes temps réel stricts à priorité fixe
Identifieur interne : 000465 ( PascalFrancis/Corpus ); précédent : 000464; suivant : 000466Optimisation de performance pour des systèmes temps réel stricts à priorité fixe
Auteurs : Joël Goossens ; Pascal RichardSource :
- TSI. Technique et science informatiques [ 0752-4072 ] ; 2005.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Many real-time systems must simultaneously handle hard real-time constraints and Quality of Service constraints. Thus, a performance criterion must be optimized for some tasks while meeting all deadlines for hard real-time tasks. For that purpose, we present a generic Branch & Bound method dedicated to hard real-time fixed-priority schedulers. Our approach is based on a generic algorithm that defines common functions to any performance criteria. Only few functions need to be specialized to deal with a specific criterion. We then present such a specialization for minimizing the weighted average response time of tasks.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 06-0149162 INIST |
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FT : | Optimisation de performance pour des systèmes temps réel stricts à priorité fixe |
ET : | (Performance optimization for real time fixed priority systems) |
AU : | GOOSSENS (Joël); RICHARD (Pascal); GOOSSENS (Joël); NAVET (Nicolas) |
AF : | Université Libre de Bruxelles CP 212 50, avenue Franklin D. Roosevelt/1050 Bruxelles/Belgique (1 aut.); LISI/ENSMA Téléport 2 - 1, avenue Clément Ader BP 40109/86961 Futuroscope Chasseneuil/France (2 aut.); Université Libre de Bruxelles/Belgique (1 aut.); INRIA, laboratoire LORIA/Nancy/France (2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | TSI. Technique et science informatiques; ISSN 0752-4072; Coden TTSIDJ; France; Da. 2005; Vol. 24; No. 8; Pp. 991-1011; Abs. anglais; Bibl. 13 ref. |
LA : | Français |
EA : | Many real-time systems must simultaneously handle hard real-time constraints and Quality of Service constraints. Thus, a performance criterion must be optimized for some tasks while meeting all deadlines for hard real-time tasks. For that purpose, we present a generic Branch & Bound method dedicated to hard real-time fixed-priority schedulers. Our approach is based on a generic algorithm that defines common functions to any performance criteria. Only few functions need to be specialized to deal with a specific criterion. We then present such a specialization for minimizing the weighted average response time of tasks. |
CC : | 001D02B09; 001D02A05 |
FD : | Ordonnancement processeur; Système temps réel; Priorité; Temps réel; Qualité service; Temps réponse; Date limite; Moyenne temporelle; Réponse temporelle; Optimisation; Méthode séparation et évaluation; Moyenne pondérée |
ED : | Processor scheduling; Real time system; Priority; Real time; Service quality; Response time; Deadline; Time average; Time response; Optimization; Branch and bound method; Weighted average |
SD : | Sistema tiempo real; Prioridad; Tiempo real; Calidad servicio; Tiempo respuesta; Fechas últimas; Promedio temporal; Respuesta temporal; Optimización; Método branch and bound |
LO : | INIST-19593.354000115113350040 |
ID : | 06-0149162 |
Links to Exploration step
Pascal:06-0149162Le document en format XML
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<front><div type="abstract" xml:lang="en">Many real-time systems must simultaneously handle hard real-time constraints and Quality of Service constraints. Thus, a performance criterion must be optimized for some tasks while meeting all deadlines for hard real-time tasks. For that purpose, we present a generic Branch & Bound method dedicated to hard real-time fixed-priority schedulers. Our approach is based on a generic algorithm that defines common functions to any performance criteria. Only few functions need to be specialized to deal with a specific criterion. We then present such a specialization for minimizing the weighted average response time of tasks.</div>
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<server><NO>PASCAL 06-0149162 INIST</NO>
<FT>Optimisation de performance pour des systèmes temps réel stricts à priorité fixe</FT>
<ET>(Performance optimization for real time fixed priority systems)</ET>
<AU>GOOSSENS (Joël); RICHARD (Pascal); GOOSSENS (Joël); NAVET (Nicolas)</AU>
<AF>Université Libre de Bruxelles CP 212 50, avenue Franklin D. Roosevelt/1050 Bruxelles/Belgique (1 aut.); LISI/ENSMA Téléport 2 - 1, avenue Clément Ader BP 40109/86961 Futuroscope Chasseneuil/France (2 aut.); Université Libre de Bruxelles/Belgique (1 aut.); INRIA, laboratoire LORIA/Nancy/France (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>TSI. Technique et science informatiques; ISSN 0752-4072; Coden TTSIDJ; France; Da. 2005; Vol. 24; No. 8; Pp. 991-1011; Abs. anglais; Bibl. 13 ref.</SO>
<LA>Français</LA>
<EA>Many real-time systems must simultaneously handle hard real-time constraints and Quality of Service constraints. Thus, a performance criterion must be optimized for some tasks while meeting all deadlines for hard real-time tasks. For that purpose, we present a generic Branch & Bound method dedicated to hard real-time fixed-priority schedulers. Our approach is based on a generic algorithm that defines common functions to any performance criteria. Only few functions need to be specialized to deal with a specific criterion. We then present such a specialization for minimizing the weighted average response time of tasks.</EA>
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<ED>Processor scheduling; Real time system; Priority; Real time; Service quality; Response time; Deadline; Time average; Time response; Optimization; Branch and bound method; Weighted average</ED>
<SD>Sistema tiempo real; Prioridad; Tiempo real; Calidad servicio; Tiempo respuesta; Fechas últimas; Promedio temporal; Respuesta temporal; Optimización; Método branch and bound</SD>
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