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Proceedings Paper

HSWL: an efficient hash-based static wear leveling algorithm
Author(s): Lisen Gao; Yuzhuo Fu; Xing Han; Hong Zhou
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Paper Abstract

NAND Flash based SSDs(Solid-State Drives) have been developed rapidly because of apparent advantages over HDDs(Hard Disk Drives), such as consuming less power and are more resistant to harsh environment. Algorithms referred to as wear leveling for enhancing the endurance and reliability of flash memory are studied in this paper. A creative static wear leveling algorithm named as HSWL is proposed. Hot blocks and cold blocks are divided according to their degree of hotness recorded in a hash table, and data swapping operations are applied thereafter. By conducting a series of experiments, it can be seen that excellent performance has been achieved with conserved resource.

Paper Details

Date Published: 19 July 2013
PDF: 5 pages
Proc. SPIE 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013), 88784K (19 July 2013); doi: 10.1117/12.2031758
Show Author Affiliations
Lisen Gao, Shanghai Jiao Tong Univ. (China)
Yuzhuo Fu, Shanghai Jiao Tong Univ. (China)
Xing Han, Shanghai Jiao Tong Univ. (China)
Hong Zhou, Shanghai Jiao Tong Univ. (China)


Published in SPIE Proceedings Vol. 8878:
Fifth International Conference on Digital Image Processing (ICDIP 2013)
Yulin Wang; Xie Yi, Editor(s)

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