| 实时任务的选择性压缩 |
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| 引用本文： | 钱光明,陈湘华,姜辉.实时任务的选择性压缩[J].湖南文理学院学报(自然科学版),2011,23(1):67-70,80. |
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| 作者姓名： | 钱光明 陈湘华 姜辉 |
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| 作者单位： | 湖南师范大学数学与计算机科学学院,湖南长沙,410081 |
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| 基金项目： | 湖南省自然科学基金，湖南省科技厅项目 |
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| 摘 要： | 实时任务的动态调度仍然是一个值得研究的问题,特别是在一些新的应用背景下.当一个实时系统已经处于满负荷运行,而又有新任务需要插入或老任务需要加速时,就要有老任务降速(受压)以出让带宽.即使如此,什么时刻能开始这一调整是一个关键问题.关于这一调整时刻的计算,现有研究成果都只是基于一个受压任务给出的.基于EDF(Earlie...
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| 关 键 词： | 任务插入 任务加速 可平滑插入点 选择性压缩 |
Compressing real time tasks selectively |
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| QIAN Guang-ming,CHEN Xiang-hua,JIANG Hui.Compressing real time tasks selectively[J].Journal of Hunan University of Arts and Science:Natural Science Edition,2011,23(1):67-70,80. |
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| Authors: | QIAN Guang-ming CHEN Xiang-hua JIANG Hui |
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| Institution: | QIAN Guang-ming,CHEN Xiang-hua,JIANG Hui(College of Mathematics and Computer Science,Hunan Normal University,Changsha 410081,China) |
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| Abstract: | Dynamic scheduling of real-time tasks still needs to be studied,especially for some new aplications.For a fully loaded real-time system at run time,in order to insert new tasks or accelerate old ones,it is necessary to decelerate(compress)some task to get freed bandwidth.Even though,it is crucial to get the time the adjustment starts.This adjusting time is evaluated on a single compressed task in present documents.Based on the EDF(Earliest Deadline First) algorithm,this paper gives out an new idea to select... |
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| Keywords: | task insertion task acceleration starting point for smooth insertion selective compressing |
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