Becoming self-instruct: introducing early stopping criteria for minimal instruct tuning

• URL: http://arxiv.org/abs/2307.03692v1
• Date: Wed, 5 Jul 2023 09:42:25 GMT
• Title: Becoming self-instruct: introducing early stopping criteria for minimal instruct tuning
• Authors: Waseem AlShikh and Manhal Daaboul and Kirk Goddard and Brock Imel and Kiran Kamble and Parikshith Kulkarni and Melisa Russak
• Abstract summary: We introduce the Instruction Following Score (IFS), a metric that detects language models' ability to follow instructions. We benchmark publicly available base and instruct models, and show that the ratio of well formatted responses to partial and full sentences can be an effective measure. We compute IFS for Supervised Fine-Tuning (SFT) of 7B and 13B LLaMA models, showing that models learn to follow instructions relatively early in the training process.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, we introduce the Instruction Following Score (IFS), a metric that detects language models' ability to follow instructions. The metric has a dual purpose. First, IFS can be used to distinguish between base and instruct models. We benchmark publicly available base and instruct models, and show that the ratio of well formatted responses to partial and full sentences can be an effective measure between those two model classes. Secondly, the metric can be used as an early stopping criteria for instruct tuning. We compute IFS for Supervised Fine-Tuning (SFT) of 7B and 13B LLaMA models, showing that models learn to follow instructions relatively early in the training process, and the further finetuning can result in changes in the underlying base model semantics. As an example of semantics change we show the objectivity of model predictions, as defined by an auxiliary metric ObjecQA. We show that in this particular case, semantic changes are the steepest when the IFS tends to plateau. We hope that decomposing instruct tuning into IFS and semantic factors starts a new trend in better controllable instruct tuning and opens possibilities for designing minimal instruct interfaces querying foundation models.

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