An Efficient Garbage Collection Policy for Flash Memory Based Swap Systems

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Provided by: Springer Healthcare
Topic: Storage
Format: PDF
Mobile computing devices use flash memory as a secondary storage because it has many attractive features such as small size, fast access speeds, shock resistance, and light weight. Mobile computing devices exploit a swap system to extend a limited main memory space and use flash memory as a swap system. Although flash memory has the attractive features, it should perform garbage collection, which includes erase operations. The erase operations are very slow, and usually decrease the performance of the system.
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