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Creators/Authors contains: "Steven Lyons, Raju Rangaswami"

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  1. (, Theoretical computer science)
    Flash and non-volatile memory (NVM) devices have only a limited number of write-erase cycles. Consequently, when employed as caches, cache management policies may choose not to cache certain requested items in order to extend device lifespan. In this work, we propose a simple single-parameter utility function to model the trade-off between maximizing hit-rate and minimizing write-erase cycles for such caches, and study the problem of developing an off-line strategy for deciding whether to write a new item to cache, and if so which item already in the cache to replace. Our main result is, , an efficient, network flow based algorithm which finds optimal cache management policy under this new setting. 
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