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A Robust Mechanism for Adaptive Scheduling of Multimedia Applications

A Robust Mechanism for Adaptive Scheduling of Multimedia Applications A Robust Mechanism for Adaptive Scheduling of Multimedia Applications TOMMASO CUCINOTTA Scuola Superiore Sant ™ Anna LUCA ABENI and LUIGI PALOPOLI, University of Trento GIUSEPPE LIPARI, Scuola Superiore Sant ™ Anna We propose an adaptive scheduling technique to schedule highly dynamic multimedia tasks on a CPU. We use a combination of two techniques: the rst one is a feedback mechanism to track the resource requirements of the tasks based on œlocal  observations. The second one is a mechanism that operates with a œglobal  visibility, reclaiming unused bandwidth. The combination proves very effective: resource reclaiming increases the robustness of the feedback, while the identi cation of the correct bandwidth made by the feedback increases the effectiveness of the reclamation. We offer both theoretical results and an extensive experimental validation of the approach. Categories and Subject Descriptors: C.3 [Computer Systems Organization]: Special-Purpose and Application-Based Systems ”Real-time and embedded systems; D.4.7 [Operating System]: Organization and Design ”Real-time systems and embedded systems; D.4.8 [Operating Systems]: Performance ” Stochastic analysis; J.7 [Computer Applications]: Computers in Other Systems ”Real-time General Terms: Design, Performance, Experimentation ACM Reference Format: Cucinotta, T., Abeni, L., Palopoli, L., and Lipari, G. 2011. A robust mechanism for adaptive http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM Transactions on Embedded Computing Systems (TECS) Association for Computing Machinery

A Robust Mechanism for Adaptive Scheduling of Multimedia Applications

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Publisher
Association for Computing Machinery
Copyright
Copyright © 2011 by ACM Inc.
ISSN
1539-9087
DOI
10.1145/2043662.2043670
Publisher site
See Article on Publisher Site

Abstract

A Robust Mechanism for Adaptive Scheduling of Multimedia Applications TOMMASO CUCINOTTA Scuola Superiore Sant ™ Anna LUCA ABENI and LUIGI PALOPOLI, University of Trento GIUSEPPE LIPARI, Scuola Superiore Sant ™ Anna We propose an adaptive scheduling technique to schedule highly dynamic multimedia tasks on a CPU. We use a combination of two techniques: the rst one is a feedback mechanism to track the resource requirements of the tasks based on œlocal  observations. The second one is a mechanism that operates with a œglobal  visibility, reclaiming unused bandwidth. The combination proves very effective: resource reclaiming increases the robustness of the feedback, while the identi cation of the correct bandwidth made by the feedback increases the effectiveness of the reclamation. We offer both theoretical results and an extensive experimental validation of the approach. Categories and Subject Descriptors: C.3 [Computer Systems Organization]: Special-Purpose and Application-Based Systems ”Real-time and embedded systems; D.4.7 [Operating System]: Organization and Design ”Real-time systems and embedded systems; D.4.8 [Operating Systems]: Performance ” Stochastic analysis; J.7 [Computer Applications]: Computers in Other Systems ”Real-time General Terms: Design, Performance, Experimentation ACM Reference Format: Cucinotta, T., Abeni, L., Palopoli, L., and Lipari, G. 2011. A robust mechanism for adaptive

Journal

ACM Transactions on Embedded Computing Systems (TECS)Association for Computing Machinery

Published: Nov 1, 2011

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