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Adaptive Wear-Leveling in Flash-Based Memory

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The paper presents an adaptive wear-leveling scheme based on several wear-thresholds in different periods. The basic idea behind this scheme is that blocks can have different wear-out speeds and the wear-leveling mechanism does not conduct data migration until the erasure counts of some hot blocks hit a threshold. Through a series of emulation experiments based on several realistic disk traces, we show that the proposed wear-leveling mechanism can reduce total erasure counts and yield uniform erasure counts among all blocks at the late lifetime of the storage devices. As a result, not only can the performance of storage systems be advanced, the lifespan of the Flash-based memory can also be extended to a certain degree.

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Informasi Detail

Judul Seri

COMPUTER ARCHITECTURE

No. Panggil

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Penerbit

Sweden : Graduate School of Economics, Waseda University., 2015

Deskripsi Fisik

IEEE COMPUTER ARCHITECTURE LETTERS, VOL. 14, NO. 1, JANUARY-JUNE 2015

Bahasa

English

ISBN/ISSN

Digital Object Ident

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

VOL. 14, NO. 1, JANUARY-JUNE 2015

Subjek

ARSITEKTUR KOMPUTER

Info Detail Spesifik

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Pernyataan Tanggungjawab

deliza

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