The Efficiency MisnomerDownload PDF

29 Sept 2021, 00:34 (edited 16 Mar 2022)ICLR 2022 PosterReaders: Everyone
  • Keywords: Efficiency in Machine Learning, FLOPs, Number of Parameters, Throughput
  • Abstract: Model efficiency is a critical aspect of developing and deploying machine learning models. Inference time and latency directly affect the user experience, and some applications have hard requirements. In addition to inference costs, model training also have direct financial and environmental impacts. Although there are numerous well-established metrics (cost indicators) for measuring model efficiency, researchers and practitioners often assume that these metrics are correlated with each other and report only a few of them. In this paper, we thoroughly discuss common cost indicators, their advantages and disadvantages, and how they can contradict each other. We demonstrate how incomplete reporting of cost indicators can lead to partial conclusions and a blurred or incomplete picture of the practical considerations of different models. We further present suggestions to improve reporting of efficiency metrics.
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