A space-efficient flash memory software for mobile devices

Authors:
Yeonseung Ryu;Tae-sun Chung;Myungho Lee
Affiliations:
Department of Computer Software, Myongji University, Gyeonggi-do, Korea;Department of Computer Software, Myongji University, Gyeonggi-do, Korea;Department of Computer Software, Myongji University, Gyeonggi-do, Korea
Venue:
ICCSA'05 Proceedings of the 2005 international conference on Computational Science and Its Applications - Volume Part IV
Year:
2005

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Abstract

Flash memory is becoming popular storage media for mobile computing devices. In this paper, we study a new block management scheme in Flash Translation Layer (FTL) for flash memory storages which considers the space utilization. Proposed scheme classifies data blocks according to their write access frequencies and improves the space utilization by managing the blocks according to their hotness degree. To evaluate the proposed scheme, we developed a simulator and performed trace-driven simulations.