FAB: Flash-aware buffer management policy for portable media players

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This paper presents. a novel buffer management scheme for portable media players equipped with flash memory. Though flash memory has various advantages over magnetic disks such as small and lightweight form factor, solid-state reliability, low power consumption, and shock resistance, its physical characteristics imposes several limitations. Most notably, it takes relatively long time to write data in flash memory and the data cannot be overwritten before being erased first. Since an erase operation is performed as a unit of larger block, the employed strategy for mapping logical blocks onto physical pages affects real performance of flash memory. This article suggests a flash,fer management scheme that reduces the number of aware buffer erase operations by selecting a victim based on its page utilization rather than based on the traditional LRU policy effectively minimizes the number of write and Our scheme of erase operations in flash memory, reducing the total execution time by 17% compared to the LRU policy(1).
Publisher
IEEE-Inst Electrical Electronics Engineers Inc
Issue Date
2006
Language
English
Article Type
Article
Keywords

MEMORY

Citation

IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.52, no.2, pp.485 - 493

ISSN
0098-3063
URI
http://hdl.handle.net/10203/87822
Appears in Collection
RIMS Journal Papers
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