Modeling power management for hard disks

P. M. Greenawalt
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引用次数: 122

Abstract

Recently, a large effort has been made to reduce the power consumed by computer-systems. Multiple power states have been defined, and mechanisms have been developed to allow system software to control transitions between these states. Unfortunately, little work has been done to determine effective times to change states. Statistical models of the power utilized by individual subsystems call provide a basis for making such decisions. The hard disk state model described provides both the quantitative data and insight necessary to design an efficient power management system.<>
硬盘电源管理建模
最近,人们在减少计算机系统的功耗方面做了很大的努力。已经定义了多个电源状态,并且已经开发了允许系统软件控制这些状态之间转换的机制。不幸的是,在确定改变状态的有效时间方面做的工作很少。单个子系统调用所使用的功率的统计模型为做出此类决策提供了基础。所描述的硬盘状态模型提供了设计高效电源管理系统所需的定量数据和洞察力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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