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Hierarchical real-time scheduling framework for imprecise computations
- Authors
- Tchamgoue, G.M.; Kim, K.H.; Jun, Y.-K.; Lee, W.Y.
- Issue Date
- 2010
- Citation
- Proceedings - IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2010, pp 273 - 280
- Pages
- 8
- Indexed
- SCOPUS
- Journal Title
- Proceedings - IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2010
- Start Page
- 273
- End Page
- 280
- ISSN
- 0000-0000
- Abstract
- Hierarchical scheduling frameworks provide ways for composing large and complex real-time systems from independent sub-systems. In this paper, we consider the imprecise reward-based periodic task model in a compositional scheduling framework. Thus, we introduce the imprecise periodic resource model to characterize the imprecise resource allocations, and the interface model to abstract the imprecise real-time requirements of the component. The schedulability analysis of mandatory parts is analyzed to meet the minimum requirement of tasks. In addition, we provide a scheduling algorithm for guaranteeing a certain amount of reward, which makes it feasible to compose multiple imprecise components efficiently. ? 2010 IEEE.
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