Work-in-Progress: Revisiting Wear Leveling Design on Compression Applied 3D NAND Flash Memory

Yejia Di, Liang Shi*, Congming Gao, Qiao Li, Chun Jason Xue

*Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

3 Citations (Scopus)

Abstract

Compression has been demonstrated as an efficient method for lifetime improvement on flash memory. However, data compression ratios are various, which bring proportional wearing on flash pages. Furthermore, the compression schemes have still not been considered in the design of the state-of-the-art wear leveling schemes. Thus, there will be some waste on lifetime exploitation, especially for three-dimensional (3D) NAND flash memory. 3D NAND flash memory is developed to boost the storage capacity by stacking memory cells vertically. However, in 3D NAND flash, one critical characteristic is that its endurance is significantly varied from blocks to pages. Thus, it is necessary to revisit the wear leveling mechanism for compression applied 3D NAND flash memory for further lifetime improvement.
Original languageEnglish
Title of host publication2018 International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS) Digest of Technical Papers
PublisherIEEE
ISBN (Print)978-1-5386-5562-7
DOIs
Publication statusPublished - Sept 2018
Event2018 ACM/IEEE International Conference on Hardware/Software Codesign and System Synthesis, CODES+ISSS 2018 - Turin, Italy
Duration: 30 Sept 20185 Oct 2018

Publication series

Name2018 International Conference on Hardware/Software Codesign and System Synthesis, CODES+ISSS 2018

Conference

Conference2018 ACM/IEEE International Conference on Hardware/Software Codesign and System Synthesis, CODES+ISSS 2018
PlaceItaly
CityTurin
Period30/09/185/10/18

Research Keywords

  • 3D flash memory
  • compression
  • wear leveling

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