AdapterDistillation: Non-Destructive Task Composition with Knowledge Distillation

• URL: http://arxiv.org/abs/2312.16261v1
• Date: Tue, 26 Dec 2023 07:01:00 GMT
• Title: AdapterDistillation: Non-Destructive Task Composition with Knowledge Distillation
• Authors: Junjie Wang, Yicheng Chen, Wangshu Zhang, Sen Hu, Teng Xu, Jing Zheng
• Abstract summary: We propose a two-stage knowledge distillation algorithm called AdapterDistillation. In the first stage, we extract task specific knowledge by using local data to train a student adapter. In the second stage, we distill the knowledge from the existing teacher adapters into the student adapter to help its inference.
• Score: 12.648208238878468
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Leveraging knowledge from multiple tasks through introducing a small number of task specific parameters into each transformer layer, also known as adapters, receives much attention recently. However, adding an extra fusion layer to implement knowledge composition not only increases the inference time but also is non-scalable for some applications. To avoid these issues, we propose a two-stage knowledge distillation algorithm called AdapterDistillation. In the first stage, we extract task specific knowledge by using local data to train a student adapter. In the second stage, we distill the knowledge from the existing teacher adapters into the student adapter to help its inference. Extensive experiments on frequently asked question retrieval in task-oriented dialog systems validate the efficiency of AdapterDistillation. We show that AdapterDistillation outperforms existing algorithms in terms of accuracy, resource consumption and inference time.

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