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Balancing Performance and Energy Efficiency in NAND Flash Storage Systems

Explore energy efficiency and performance improvement balance in NAND flash storage systems by analyzing usage patterns, NVCache utilization, and write-back cache strategies. Focus on SLC and MLC NAND flash reliability in applications like multimedia, gaming, and normal usage.

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Balancing Performance and Energy Efficiency in NAND Flash Storage Systems

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  1. Performance and Energy • We consider the extreme case of energy efficiency and performance improvement and try to find the balance • Performance: analyze the usage pattern and let the NVCache serves the random access and disk serves the sequential access • Energy efficiency: Write back cache and merge the write request when write back • We will analyze the reliability issue under these two situations

  2. We focus on the SLC nand flash since performance is one of our goals, but try to modify the policy to cooperate with MLC flash. • Application usage • Multimedia • Gaming • Normal usage

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