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A Block Replacement Scheme using Analytic Hierarchy Process in Hybrid HDD
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 Title & Authors
A Block Replacement Scheme using Analytic Hierarchy Process in Hybrid HDD
Kim, Jeong-Won;
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The read performance of hybrid hard disk is better than the legacy hard disk and power consumption is also considerably low. As blocks with enough localities may be located in the non-volatile cache whose size is generally limited, an effective block replacement scheme is required. As this replacement is inevitably affected by various parameters, we define this issue as a kind of multiple criteria decision model. To solve this problem, this paper suggests a new block replacement algorithm based on the analytic hierarchy process. Through simulation for our model, we confirmed that the proposed model could be used as a replacement algorithm of the hybrid hard disk as it may improve boot time as well as response time of general applications.
Block Replacement;AHP;Hybrid hard disk;
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