Scaling Down to Scale Up: A Guide to Parameter-Efficient Fine-Tuning

28 Mar 2023  ·  Vladislav Lialin, Vijeta Deshpande, Anna Rumshisky ·

This paper presents a systematic overview and comparison of parameter-efficient fine-tuning methods covering over 40 papers published between February 2019 and February 2023. These methods aim to resolve the infeasibility and impracticality of fine-tuning large language models by only training a small set of parameters. We provide a taxonomy that covers a broad range of methods and present a detailed method comparison with a specific focus on real-life efficiency and fine-tuning multibillion-scale language models.

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