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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/114978


    Title: Enabling union page cache to boost file access performance of NVRAM-based storage device
    Authors: Chen, Shuo-Han;Chen, Tseng-Yi;Chang, Yuan-Hao;Wei, Hsin-Wen;Shih, Wei-Kuan
    Keywords: NVRAM;page cache;mobile computing systems;FAT
    Date: 2018-06-24
    Issue Date: 2018-09-20 12:12:28 (UTC+8)
    Abstract: Due to the fast access performance, byte-addressability, and non-volatility
    of non-volatile random access memory (NVRAM), NVRAM has emerged
    as a popular candidate for the design of memory/storage systems on
    mobile computing systems. For example, the latest 3D xPoint memory
    could be a kind of NVRAM with much longer life expectancy than NAND
    ƒash and could ease the possible endurance issue. When NVRAM is considered
    as both main memory and storage in mobile computing systems,
    existing page cache mechanisms introduce too many unnecessary data
    movements between main memory and storage. To resolve this issue,
    we propose the concept of “union page cache,” which jointly manages
    data of the page cache in both main memory and storage. To realize
    this concept, a partial page cache strategy is designed to consider both
    main memory and storage as its management space and to eliminate
    unnecessary data movements between main memory and storage without
    sacri€cing the data consistency of €le systems. Experimental results
    show that the proposed strategy can boost the €le accessing performance
    upto 85.62% when using PCM as a case study.
    Relation: In the proceedings of DAC 172:1-172:6
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Proceeding

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