Distilling Inductive Bias: Knowledge Distillation Beyond Model Compression

• URL: http://arxiv.org/abs/2310.00369v2
• Date: Tue, 10 Oct 2023 09:12:37 GMT
• Title: Distilling Inductive Bias: Knowledge Distillation Beyond Model Compression
• Authors: Gousia Habib, Tausifa Jan Saleem, Brejesh Lall
• Abstract summary: Vision Transformers (ViTs) offer the tantalizing prospect of unified information processing across visual and textual domains. We introduce an innovative ensemble-based distillation approach distilling inductive bias from complementary lightweight teacher models. Our proposed framework also involves precomputing and storing logits in advance, essentially the unnormalized predictions of the model.
• Score: 6.508088032296086
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: With the rapid development of computer vision, Vision Transformers (ViTs) offer the tantalizing prospect of unified information processing across visual and textual domains. But due to the lack of inherent inductive biases in ViTs, they require enormous amount of data for training. To make their applications practical, we introduce an innovative ensemble-based distillation approach distilling inductive bias from complementary lightweight teacher models. Prior systems relied solely on convolution-based teaching. However, this method incorporates an ensemble of light teachers with different architectural tendencies, such as convolution and involution, to instruct the student transformer jointly. Because of these unique inductive biases, instructors can accumulate a wide range of knowledge, even from readily identifiable stored datasets, which leads to enhanced student performance. Our proposed framework also involves precomputing and storing logits in advance, essentially the unnormalized predictions of the model. This optimization can accelerate the distillation process by eliminating the need for repeated forward passes during knowledge distillation, significantly reducing the computational burden and enhancing efficiency.

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