Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/43764
Title: Design and Performance Evaluation of Energy- Aware DVS- Based Scheduling Strategies for Hard Real- Time Embedded Multiprocessor Systems
Authors: GOH LEE KEE
Keywords: Energy-aware scheduling, power management, dynamic voltage scaling, energy minimization, multiprocessor scheduling, embedded systems
Issue Date: 17-Aug-2012
Source: GOH LEE KEE (2012-08-17). Design and Performance Evaluation of Energy- Aware DVS- Based Scheduling Strategies for Hard Real- Time Embedded Multiprocessor Systems. ScholarBank@NUS Repository.
Abstract: Hard real-time applications have strict deadline requirements. Violation of these deadline requirements usually results in catastrophic failure of the system and cannot be tolerated. At the same time, when these applications are implemented on portable embedded devices, efficient energy management is essential to ensure a long operating lifetime of the system. This thesis evaluates the various energy-aware static scheduling strategies in the literature and proposes an efficient, energy gradient-based approach to generate these schedules by considering task mapping, task scheduling and voltage scaling in an integrated way. In addition, the thesis also proposes a few strategies to reduce the energy consumption further during runtime when the tasks do not require their worst-case execution cycles to complete. Last but not least, the thesis addresses the scenario where each processing element has its own energy source. All the proposed strategies are compared against existing strategies in the literature through extensive simulation experiments to evaluate their performances.
URI: http://scholarbank.nus.edu.sg/handle/10635/43764
Appears in Collections:Ph.D Theses (Open)

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