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20242026
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cs.LG2025

INT v.s. FP: A Comprehensive Study of Fine-Grained Low-bit Quantization Formats

Mengzhao Chen, Meng Wu, Hui Jin +10

Modern AI hardware, such as Nvidia's Blackwell architecture, is increasingly embracing low-precision floating-point (FP) formats to handle the pervasive activation outliers in Larg…

cs.LG2025

Scaling Law for Quantization-Aware Training

Mengzhao Chen, Chaoyi Zhang, Jing Liu +8

Large language models (LLMs) demand substantial computational and memory resources, creating deployment challenges. Quantization-aware training (QAT) addresses these challenges by…

cs.LG2025

EfficientQAT: Efficient Quantization-Aware Training for Large Language Models

Mengzhao Chen, Wenqi Shao, Peng Xu +4

Large language models (LLMs) are crucial in modern natural language processing and artificial intelligence. However, they face challenges in managing their significant memory requi…

cs.LG2025

PrefixQuant: Eliminating Outliers by Prefixed Tokens for Large Language Models Quantization

Mengzhao Chen, Yi Liu, Jiahao Wang +3

Existing weight-activation quantization methods for Large Language Models (LLMs) primarily address channel-wise outliers but often neglect token-wise outliers, which limits the acc…

cs.LG2024

BESA: Pruning Large Language Models with Blockwise Parameter-Efficient Sparsity Allocation

Peng Xu, Wenqi Shao, Mengzhao Chen +6

Large language models (LLMs) have demonstrated outstanding performance in various tasks, such as text summarization, text question-answering, and etc. While their performance is im…