USB闪存驱动器的电源和性能特征

2008 International Symposium on a World of Wireless, Mobile and Multimedia Networks Pub Date : 2008-06-23 DOI:10.1109/WOWMOM.2008.4594868

Kyle O'Brien, D. Salyers, A. Striegel, C. Poellabauer

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引用次数: 17

摘要

尽管它们的容量仍然比硬盘低几个数量级，但闪存存储系统在能量受限的系统中正迅速变得越来越重要。本文的重点是USB闪存驱动器，它可以为移动系统提供便携式存储，或者为没有持久存储机会的系统提供存储(例如，低功耗传感器设备)。本文介绍了与USB闪存驱动器的功耗，能源开销和效益以及性能影响有关的研究。从这些实验中获得的关键见解是:(i)读/写成本并不明显大于空闲成本，(ii)闪存本身的大小对能量消耗的影响有限。

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Power and performance characteristics of USB flash drives

Even though their capacities are still orders of magnitude lower than those of hard disks, flash storage systems are rapidly gaining importance in energy-constrained systems. This paper focuses on USB flash drives, which can provide portable storage to mobile systems or storage to systems that otherwise do not have persistent storage opportunities (e.g., low-power sensor devices). The paper presents studies relating to power consumption, energy overheads and benefits, and performance impacts of USB flash drives. The key insights obtained from these experiments are that (i) read/write costs are not significantly greater than idle costs and (ii) the size of the flash itself has only limited bearing on energy consumption.

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2008 International Symposium on a World of Wireless, Mobile and Multimedia Networks

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