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October 20, 2025Open Access

Enhancing Delta Compression in LLMs via SVD-based Quantization Error Minimization

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Authors

BXBin XiongSWShuo WangWGWeifeng Ge

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Overview

This work introduces DeltaMix for minimizing quantization error in delta compression of LLMs, suggesting improvements in mixed-precision techniques.

Key Points

  • DeltaMix reduces quantization error effectively in large language models, enhancing their compression ratio.
  • The framework demonstrates a 22.3% performance improvement over the best baseline on specific tasks with 7B parameter models.
  • It employs a unique theoretical approach that justifies mixed-precision compression without standard assumptions.
  • Experimental validation across various models shows DeltaMix's superior efficiency compared to previous methods.

Cite This Study

Xiong et al. (2025) studied this question.

synapsesocial.com/papers/68f6196ee0bbbc94fac3621dhttps://doi.org/10.48550/arxiv.2506.11087
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