Assessing Resource-Performance Trade-off of Natural Language Models using Data Envelopment Analysis

• URL: http://arxiv.org/abs/2211.01486v1
• Date: Wed, 2 Nov 2022 21:17:00 GMT
• Title: Assessing Resource-Performance Trade-off of Natural Language Models using Data Envelopment Analysis
• Authors: Zachary Zhou, Alisha Zachariah, Devin Conathan, Jeffery Kline
• Abstract summary: We apply Data Envelopment Analysis (DEA) to the problem of assessing the resource-performance trade-off. DEA is a non-parametric method that measures productive efficiency of abstract units that consume one or more inputs and yield at least one output. We recast natural language models as units suitable for DEA, and we show that DEA can be used to create an effective framework for quantifying model performance and efficiency.
• Score: 1.0323063834827415
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Natural language models are often summarized through a high-dimensional set of descriptive metrics including training corpus size, training time, the number of trainable parameters, inference times, and evaluation statistics that assess performance across tasks. The high dimensional nature of these metrics yields challenges with regard to objectively comparing models; in particular it is challenging to assess the trade-off models make between performance and resources (compute time, memory, etc.). We apply Data Envelopment Analysis (DEA) to this problem of assessing the resource-performance trade-off. DEA is a nonparametric method that measures productive efficiency of abstract units that consume one or more inputs and yield at least one output. We recast natural language models as units suitable for DEA, and we show that DEA can be used to create an effective framework for quantifying model performance and efficiency. A central feature of DEA is that it identifies a subset of models that live on an efficient frontier of performance. DEA is also scalable, having been applied to problems with thousands of units. We report empirical results of DEA applied to 14 different language models that have a variety of architectures, and we show that DEA can be used to identify a subset of models that effectively balance resource demands against performance.

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