Reproduce “AdapterDistillation: Non-Destructive Task Composition with Knowledge Distillation” on OpenResearch

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About this paper

Junjie Wang, Yicheng Chen, Wangshu Zhang, Sen Hu, Teng Xu, Jing Zheng

AdapterDistillation introduces a two-stage knowledge distillation algorithm for integrating new natural language processing tasks into multi-tenant platforms, utilizing parameter-efficient adapters. This method enables non-destructive task composition, achieving performance comparable to AdapterFusion with substantially lower resource usage and faster inference speeds.

Key insights

  • Knowledge from multiple existing task adapters can be effectively distilled into a new task-specific adapter, enabling composite learning without requiring a permanent fusion layer.
  • Discarding the fusion mechanism after training allows the student adapter to encapsulate combined knowledge, maintaining inference speed and low parameter overhead.
  • This two-stage distillation approach facilitates non-destructive integration of new tasks into multi-tenant systems, preserving the performance of previously deployed tasks.

Summary by alphaXiv.

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