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Minimum-Energy Semi-Static Scheduling of a Periodic Real-Time Task on DVFS-Enabled Multi-Core Processors
- Authors
- Lee, Wan Yeon; Kim, Hyogon; Lee, Heejo
- Issue Date
- 12월-2011
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- scheduling; real-time task; multi-core; energy; DVFS
- Citation
- IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E94D, no.12, pp.2389 - 2392
- Journal Title
- IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS
- Volume
- E94D
- Number
- 12
- Start Page
- 2389
- End Page
- 2392
- ISSN
- 1745-1361
- Abstract
- The proposed scheduling scheme minimizes the energy consumption of a real-time task on the multi-core processor with the dynamic voltage and frequency scaling capability. The scheme allocates a pertinent number of cores to the task execution, inactivates unused cores, and assigns the lowest frequency meeting the deadline. For a periodic real-time task with consecutive real-time instances, the scheme prepares the minimum-energy solutions for all input cases at off-line time, and applies one of the prepared solutions to each real-time instance at runtime.
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