天津工业大学学报2016，Vol.35Issue(5)：66-71,6.DOI:10.3969/j.issn.1671-024x.2016.05.012
基于需求的三级映射管理的闪存转换层算法
Three-level mapping management flash translation layer algorithm based on demands
摘要
Abstract
Flash translation layer(FTL) is always needed when NAND Flash is used in a memory device. Page level transla-tion is the most popular, but needs a large RAM to store mapping table. A three-level mapping management FTL based on the requirement (TFTL) is presented. The mapping tables stored in the NAND block to relieve pressure for SRAM and the page displacement method is used to move the mapping table in NAND block to SRAM. Com-pared with Page mapping FTL, DFTL and FAST, TFTL has a better performance on the NAND wear leveling. The system response time, and the standard deviation of system response time of TFTL have little difference with those of Page mapping FTL.关键词
三级映射管理/NAND闪存/闪存转换层/地址映射/垃圾回收/磨损均衡Key words
three-level mapping management/NAND flash/flash translation layer(FTL)/address mapping/garbage col-lection/wear leveling分类
信息技术与安全科学引用本文复制引用
韩晓军,王举利,张南,高会娟..基于需求的三级映射管理的闪存转换层算法[J].天津工业大学学报,2016,35(5):66-71,6.基金项目
国家自然科学基金资助项目 （）
