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首页> 外文会议>Electrotechnical Conference (MELECON), 2012 16th IEEE Mediterranean >Dynamic slack reclamation strategy for multiprocessor systems
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Dynamic slack reclamation strategy for multiprocessor systems

机译：多处理器系统的动态松弛回收策略

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Emerging trends in applications with the requirement of considerable computational performance and decreasing time-to-market have urged the need of multiprocessor systems. With the increase in number of processor there is an increased demand to efficiently control the energy and power budget of such embedded systems as well. Dynamic voltage frequency scaling (DVFS) strategies permits to control this budget by actively changing the power consumption profile of the system. These techniques exploit the execution times variation of Real-time applications for dynamically adjusting the voltage and frequency of processors in order to reduce power and energy consumption. This paper presents one DVFS strategy called Dynamic slack reclamation (DSR) for real time applications. It is based on detecting early completion of tasks. DSR determines the amount of dynamic slack (if any) by comparing the worst-case execution requirement of a tasks job with its actual execution requirements. Experimental results will be extracted from the simulation of MPSoC architectures using the SoCLib platform; they show that DSR approach gives better power consumption performance.
机译：在应用中出现的新兴趋势中，需要相当高的计算性能并缩短上市时间，因此迫切需要多处理器系统。随着处理器数量的增加，对有效控制这种嵌入式系统的能量和功率预算的需求也增加了。动态电压频率缩放（DVFS）策略允许通过主动更改系统的功耗曲线来控制此预算。这些技术利用实时应用程序的执行时间变化来动态调整处理器的电压和频率，从而降低功耗和能耗。本文提出了一种用于实时应用的DVFS策略，称为动态松弛回收（DSR）。它基于检测任务的早期完成。 DSR通过将任务作业的最坏情况执行要求与其实际执行要求进行比较来确定动态松弛量（如果有）。实验结果将从使用SoCLib平台的MPSoC架构仿真中提取；他们表明DSR方法可提供更好的功耗性能。

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