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A Two-Pronged Approach of Power-Aware Voltage Scheduling for Real-Time Task Graphs in Multi-processor Systems

机译：多处理器系统中实时任务图的功率感知电压调度的两种方法

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摘要

A power-aware voltage-scheduling heuristic with offline and online components is presented for a hard real-time multi-processor system supporting multiple voltage levels. The offline component determines a voltage configuration for each task in a graph according to the worst-case scenario of task execution, to speed up paths with tasks. Once some path is speeded up, it next chooses and speeds up one of the paths sharing tasks with that path. The online component reclaims the slack, which occurs when some task actually finishes, to slow down the execution speed of its successor. Simulations are made to show the effectiveness of the proposed heuristic.

机译：提出了一种具有离线和在线组件的功率感知电压调度试探法，用于支持多个电压电平的硬实时多处理器系统。离线组件根据任务执行的最坏情况确定图形中每个任务的电压配置，以加快具有任务的路径。一旦加快了某个路径的速度，它接下来将选择并加快与该路径共享任务的路径之一。在线组件会收回在某些任务实际完成时出现的松弛，以减慢其后继的执行速度。仿真表明了所提出的启发式方法的有效性。

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《Multiple-Valued Logic, 2009. ISMVL '09》|2009年|151-156|共6页
会议地点 Naha(JP);Naha(JP)
作者
Kamiura N.; Saitoh A.; Isokawa T.; Matsui N.;
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作者单位

Dept. of Electr. Eng. Comput. Sci., Univ. of Hyogo, Kobe;

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关键词
multiprocessing systems; power aware computing; processor scheduling; hard real-time multiprocessor system; power-aware voltage scheduling; real-time task graphs; slack; two-pronged approach; energy saving; hard realtime system; multiple voltage levels; task graph; voltage-scheduling heuristic;

机译：多处理系统;功率感知计算;处理器调度;硬实时多处理器系统;功率感知电压调度;实时任务图;松弛;两管齐下;节能;硬实时系统;多个电压等级;任务图;电压调度启发式;

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4. A Two-Pronged Approach of Power-Aware Voltage Scheduling for Real-Time Task Graphs in Multi-Processor Systems [C] . Naotake KAMIURA, Ayumu SAITOH, Teijiro ISOKAWA, IEEE International Symposium on Multiple-Valued Logic . 2009

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A Two-Pronged Approach of Power-Aware Voltage Scheduling for Real-Time Task Graphs in Multi-processor Systems

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