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2002
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Managing Dynamic Concurrent Tasks in Embedded Real-Time Multimedia Systems

9 years 5 months ago
Managing Dynamic Concurrent Tasks in Embedded Real-Time Multimedia Systems
This paper addresses the problem of mapping an application, which is highly dynamic in the future, onto a heterogeneous multiprocessor platform in an energy efficient way. A two-phase scheduling method is used for that purpose. By exploring the Pareto curves and scenarios generated at design time, the run-time scheduler can easily find a good scheduling at a very low overhead, satisfying the system constraints and minimizing the energy consumption. A real-life example from a 3D quality of service kernel is used to show the effectiveness of our method. Categories and Subject Descriptors D.4.7 [Operating Systems]: Organization and Design— real-time systems and embedded systems; D.4.1 [Operating Systems]: Processing Management; I.6.4 [Simulation and Modeling]: Model Validation and Analysis General Terms Design, Algorithms, Performance Keywords multiprocessor, embedded system, low-power, scheduling
Rudy Lauwereins, Chun Wong, Paul Marchal, Johan Vo
Added 15 Jul 2010
Updated 15 Jul 2010
Type Conference
Year 2002
Where ISSS
Authors Rudy Lauwereins, Chun Wong, Paul Marchal, Johan Vounckx, Patrick David, Stefaan Himpe, Francky Catthoor, Peng Yang
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