Chunk-Distilled Language Modeling

• URL: http://arxiv.org/abs/2501.00343v1
• Date: Tue, 31 Dec 2024 08:32:15 GMT
• Title: Chunk-Distilled Language Modeling
• Authors: Yanhong Li, Karen Livescu, Jiawei Zhou,
• Abstract summary: Chunk-Distilled Language Modeling (CD-LM) is an approach to text generation that addresses two challenges in current large language models (LLMs) Our method combines deep network-based LLMs with a straightforward retrieval module, which allows the generation of multi-token text chunks at a single decoding step.
• Score: 25.238256586953487
• License:
• Abstract: We introduce Chunk-Distilled Language Modeling (CD-LM), an approach to text generation that addresses two challenges in current large language models (LLMs): the inefficiency of token-level generation, and the difficulty of adapting to new data and knowledge. Our method combines deep network-based LLMs with a straightforward retrieval module, which allows the generation of multi-token text chunks at a single decoding step. Our retrieval framework enables flexible construction of model- or domain-specific datastores, either leveraging the internal knowledge of existing models, or incorporating expert insights from human-annotated corpora. This adaptability allows for enhanced control over the language model's distribution without necessitating additional training. We present the CD-LM formulation along with performance metrics demonstrating its ability to improve language model performance and efficiency across a diverse set of downstream tasks. Code and data will be made publicly available.

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