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Summary of Lcq: Low-rank Codebook Based Quantization For Large Language Models, by Wen-pu Cai et al.


LCQ: Low-Rank Codebook based Quantization for Large Language Models

by Wen-Pu Cai, Ming-Yang Li, Wu-Jun Li

First submitted to arxiv on: 31 May 2024

Categories

  • Main: Machine Learning (cs.LG)
  • Secondary: Computation and Language (cs.CL)

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
The proposed novel weight quantization method, called Low-Rank Codebook Based Quantization (LCQ), aims to improve the performance of Large Language Models (LLMs) while reducing their computational and storage costs. By adopting a low-rank codebook for quantization, LCQ can achieve better accuracy than existing methods with minimal additional storage requirements.
Low GrooveSquid.com (original content) Low Difficulty Summary
This innovative approach can effectively compress LLMs without sacrificing their capabilities. By using a rank-one codebook, most existing weight quantization methods result in significant accuracy loss when the compression ratio is high. However, LCQ’s low-rank codebook can mitigate this issue and provide better performance even at high compression ratios.

Keywords

» Artificial intelligence  » Quantization