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Energy-Saving Stochastic Scheduling of a Real-Time Parallel Task with Varying Computation Amount on Multi-Core Processors
Wan Yeon LEE Kyong Hoon KIM
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E94-A
No.2
pp.842-845 Publication Date: 2011/02/01 Online ISSN: 1745-1337
DOI: 10.1587/transfun.E94.A.842 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Systems and Control Keyword: multi-core, energy, scheduling, real-time task, parallel processing,
Full Text: PDF>>
Summary:
The proposed scheduling scheme minimizes the mean energy consumption of a real-time parallel task, where the task has the probabilistic computation amount and can be executed concurrently on multiple cores. The scheme determines a pertinent number of cores allocated to the task execution and the instant frequency supplied to the allocated cores. Evaluation shows that the scheme saves manifest amount of the energy consumed by the previous method minimizing the mean energy consumption on a single core.
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