3DFTL: a three-level demand-based translation strategy for flash device

IEICE Electronics Express

Mongkol Ekpanyapong⁴  Prabhas Chongstitvatana³  Chundong Wang²  Weng-Fai Wong¹  Peera Thontirawong³ 

[1] School of Computing, National University of Singapore;Data Storage Institute, Agency for Science, Technology and Research;Faculty of Engineering, Chulalongkorn University;School of Engineering and Technology, Asian Institute of Technology

关键词: flash memory;    MLC;    FTL;    cache;    three-level;    compression;   

DOI  :  10.1587/elex.12.20150211

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(7)3DFTL is a demand-based flash translation layer (demand-based FTL) that can withstand caching data loss due to unexpected events such as power-loss. Its mapping table in the flash memory is designed with the capabilities of being instantaneously updated with zero additional write operations. Moreover, the average cache miss penalty of 3DFTL is also lower than previous demand-based FTLs. As a result, not only the mapping table of 3DFTL guarantees data consistency, but 3DFTL also shows 16.42% decrease in terms of the average system response time comparing with the DFTL.

【 授权许可】

Unknown