A survey of techniques for designing and managing CPU register file

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Summary Processor register file (RF) is an important microarchitectural component used for storing operands and results of instructions. The design and operation of RF have crucial impact on the performance, energy efficiency, and reliability of the processor, and hence, several techniques have been recently proposed to manage RF in modern processors. In this paper, we present a survey of techniques for architecting and managing CPU register file. We classify the techniques across several parameters to underscore their similarities ...