Efficiency of Pre-Computed Branches
نویسندگان
چکیده
In this paper we discuss an alternative to the existing branch prediction algorithms, called pre-computed branch prediction. This method does not actually involve prediction, as the branch's outcome is calculated as soon as its last operand is known. We attempted to validate the claim that pre-computed branches give a higher rate of performance than the existing branch prediction methods, by implementing the pre-computed branch algorithm in SimpleScalar. After analyzing our data, we concluded that one does get a higher hit rate and IPC if pre-computed branches are used, which results in increased performance.
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