| 硬实时混合任务在线节能调度技术分析 |
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| 引用本文： | 张冬松,金士尧,吴彤. 硬实时混合任务在线节能调度技术分析[J]. 计算机应用, 2008, 28(1): 236-238, |
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| 作者姓名： | 张冬松 金士尧 吴彤 |
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| 作者单位： | 国防科学技术大学,并行与分布处理国家重点实验室,长沙,410073 |
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| 摘 要： | 对混合实时任务节能调度技术进行了分析，深入探讨了目前优秀的硬实时系统在线节能调度算法(OLDVS)，指出其存在不足的原因，即松弛时间丢失和松弛时间转移。为了提高其节能效果，给出了多种改进思路，为进一步研究工作做出有益的探索。
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| 关 键 词： | 实时系统 混合实时任务 节能调度 动态电压调节 |
| 文章编号： | 1001-9081(2008)01-0236-03 |
| 收稿时间： | 2007-07-25 |
| 修稿时间： | 2007-07-25 |
Online energy-efficient scheduling technique analysis for hard real-time mixed tasks |
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| ZHANG Dong-song,JIN Shi-yao,WU Tong. Online energy-efficient scheduling technique analysis for hard real-time mixed tasks[J]. Journal of Computer Applications, 2008, 28(1): 236-238, |
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| Authors: | ZHANG Dong-song JIN Shi-yao WU Tong |
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| Affiliation: | ZHANG Dong-song,JIN Shi-yao,WU Tong(National Laboratory of Parallel , Distributed Processing,National University of Defense Technology,Changsha Hunan 410073,China) |
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| Abstract: | This paper analyzes energy-efficient scheduling techniques for mixed real-time tasks, deeply discusses an excellent online energy-efficient scheduling algorithm called On-Line Dynamic Voltage Scaling (OLDVS) in hard real-time systems, and shows the causes which result in the algorithm's shortcomings, i.e. slack time misses and slack time transfers. In order to improve its energy savings, the paper also presents various new means and makes a well exploration for future research. |
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| Keywords: | real-time systems mixed real-time tasks energy-efficient scheduling dynamic voltage scaling |
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