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- Title
Swap time-aware garbage collection policy for NAND flash-based swap system.
- Authors
M. W. Lin; S. Y. Chen
- Abstract
A swap time-aware garbage collection (STGC) policy for the NAND flash-based swap system is proposed, which focuses on reducing the cleaning cost and improving the degree of wear-levelling. STGC calculates the cleaning index value of each block to select a victim block and the normalised value of the elapsed swap time of each valid page within the victim blocks to identify the hot valid page and cold valid page. Trace-driven simulations with a synthetic trace show that the STGC outperforms the existing garbage collection policies.
- Subjects
GARBAGE collection (Computer science); COMPUTER memory management; COMPUTER storage devices; NAND gates; LOGIC circuits
- Publication
Electronics Letters (Wiley-Blackwell), 2013, Vol 49, Issue 24, p1
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2013.2324