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RRWL: Round Robin-Based Wear Leveling Using Block Erase Table for Flash Memory
2017
IEICE transactions on information and systems
In this letter, we propose a round robin-based wear leveling (RRWL) for flash memory systems. RRWL uses a block erase table (BET), which is composed of a bit array and saves the erasure histories of blocks. BET can use one-to-one mode to increase the performance of wear leveling or one-to-many mode to reduce memory consumption. However, one-to-many mode decreases the accuracy of cold block information, which results in the lifetime degradation of flash memory. To solve this problem, RRWL
doi:10.1587/transinf.2016edl8228
fatcat:y5stl4tp5je3nfuetstxrhxbhy