Energy-efficient and performance-enhanced disks using flash-memory cache

  • Authors:
  • Jen-Wei Hsieh;Tei-Wei Kuo;Po-Liang Wu;Yu-Chung Huang

  • Affiliations:
  • National Chiayi University;National Taiwan University;National Taiwan University;Genesys Logic: Inc.

  • Venue:
  • ISLPED '07 Proceedings of the 2007 international symposium on Low power electronics and design
  • Year:
  • 2007

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Abstract

This work explores the unique characteristics of flash memory in serving as a cache layer for disks. The experiments show that the proposed management scheme could save up to 20% energy consumption while reduce the read response time by the two third and the write response time by the five sixth of their counterparts. The estimated lifetime of the flash-memory cache is significantly improved as well.