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Deduplication in flash memory improves performance as well as reliability thanks to mitigating drawbacks of flash memory, which is done by eliminating duplicate data from flash memory. However, existing works mainly focus on efficiency of runtime data management without considering program flows. We propose a new application-aware deduplication method called unmodified region detection (URD) for flash...
In this paper, we investigate how traditional loop transformations affect flash memory performance. To do so, we propose cost models of loop structures in BAST (Block Associative Sector Translation) on flash memory. The proposed cost models reflect not only distinctive characteristics of flash memory but also loop structures, making these new models suitable to loop structures compared with previous...
FTL (Flash Translation Layer) hides details of flash memory, providing file systems with an abstract view of the flash memory. For NAND flash memory, some previous researches have achieved dramatic performance enhancement by adopting log-based FTL, which records time-consuming write operations in log blocks, rather than executes them immediately. Log block replacement scheme plays an essential role...
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