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Despite the huge potential, value predictors have not been used in modern processors. This is partially due to the complex structures associated with such predictors. In this paper we study value predictors and investigate solutions to reduce storage requirements while imposing negligible coverage cost. Our solutions build on the observation that conventional value predictors do not utilize storage...
We study non-optimal LRU decisions (NODs) in single processors. We study how NOD frequency changes from one application to another and from one phase to another within an application. Moreover we introduce Hasty and Predictable blocks as more inclusive extensions of previously suggested classifications. We discuss implementation issues and present dynamic techniques to identify NODs. We study NOD...
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