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An unfair optimal scheduling algorithm for uniform multiprocessors

par Gaspard, Thomas;Bertout, Antoine;Richard, Pascal;Grolleau, Emmanuel;Goossens, Joël
Référence Proceedings - Design, Automation, and Test in Europe Conference and Exhibition
Publication A Paraître, 2025-06-17

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Résumé :

This paper introduces unfair-PCG, the first unfair optimal scheduling algorithm for periodic implicit-deadline tasks on uniform multiprocessor platforms. The approach leverages the TL-plane scheduling method, allowing tasks to execute beyond their local execution time if processing resources are available. The algorithm ensures optimal resource utilisation while meeting task deadlines, thereby enhancing response times and enabling power-saving mechanisms.