Minimum-energy semi-static scheduling of a periodic real-time task on DVFS-enabled multi-core processors

Wan Yeon Lee, Hyogon Kim, Heejo Lee

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

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 realtime 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.

Original languageEnglish
Pages (from-to)2389-2392
Number of pages4
JournalIEICE Transactions on Information and Systems
VolumeE94-D
Issue number12
DOIs
Publication statusPublished - 2011 Dec

Keywords

  • DVFS
  • Energy
  • Multi-core
  • Real-time task
  • Scheduling

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering
  • Artificial Intelligence

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