2023
DOI: 10.20944/preprints202306.0725.v1
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An Accurate Estimation of the Energy Cost of Dynamic Branch Prediction in an Intel High-Performance Processor

Abstract: Power and energy efficiency are among the most crucial requirements in high-performance and other computing platforms. This work examines through extensive experimentation methods and procedures suitable for assessing the power and energy efficiency of fundamental hardware building blocks inside a typical high-performance CPU, focusing on the dynamic branch predictor (DBP). The investigation relies on the Running Average Power Limit (RAPL) interface from Intel, a software tool for credibly reporting the power … Show more

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