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October 8, 2025Open Access

A Comprehensive Evaluation on Quantization Techniques for Large Language Models

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Authors

YLYun LiuCZCairong ZhaoGHGuosheng Hu

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Overview

Comprehensive review assesses model performance through quantization error mitigation and pre-quantization transformation.

Key Points

  • Post-training quantization significantly reduces memory footprint and computational overhead in large language models.
  • Our experimental results show that optimized rotation and scaling yield the best performance in pre-quantization transformation.
  • This analysis involved a comprehensive evaluation of quantization methods to ensure fair comparisons across the techniques.
  • The study reveals that the optimal pre-quantization strategy for INT4 does not generalize well to the new MXFP4 data format.

Cite This Study

Liu et al. (2025) studied this question.

synapsesocial.com/papers/68e6679587ecc93a24d17755https://doi.org/10.48550/arxiv.2507.17417
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