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Large language models (LLMs) have significantly advanced natural language processing, but their massive parameter counts create substantial computational and memory challenges during deployment. Post-training quantization (PTQ) has emerged…

机器学习 · 计算机科学 2025-11-25 Cuong Pham , Hoang Anh Dung , Cuong C. Nguyen , Trung Le , Gustavo Carneiro , Thanh-Toan Do

Post-training quantization (PTQ) is an effective technique for compressing large language models (LLMs). However, while uniform-precision quantization is computationally efficient, it often compromises model performance. To address this, we…

The benefits of most large language models come with steep and often hidden economic and environmental costs due to their resource usage inefficiency during deployment. Model quantization improves energy and memory efficiency through…

机器学习 · 计算机科学 2026-01-14 Deyu Cao , Yixin Yin , Samin Aref

Large language models (LLMs) excel at natural language tasks but face deployment challenges due to their growing size outpacing GPU memory advancements. Model quantization mitigates this issue by lowering weight and activation precision,…

计算与语言 · 计算机科学 2025-12-17 Shizhuo Mao , Song Chen , Yi Kang

The rapid scaling of language models (LMs) has resulted in unprecedented computational, memory, and energy requirements, making their training and deployment increasingly unsustainable. Quantization has emerged as an essential compression…

Large Language Models (LLMs) have been extensively researched and used in both academia and industry since the rise in popularity of the Transformer model, which demonstrates excellent performance in AI. However, the computational demands…

机器学习 · 计算机科学 2024-11-06 Jiedong Lang , Zhehao Guo , Shuyu Huang

In this paper, we address post-training quantization (PTQ) for large language models (LLMs) from an overlooked perspective: given a pre-trained high-precision LLM, the predominant sequential quantization framework treats different layers…

人工智能 · 计算机科学 2026-03-27 Shigeng Wang , Chao Li , Yangyuxuan Kang , Jiawei Fan , Zhonghong Ou , Anbang Yao

Due to their large size, generative Large Language Models (LLMs) require significant computing and storage resources. This paper introduces a new post-training quantization method, GPTQT, to reduce memory usage and enhance processing speed…

机器学习 · 计算机科学 2024-07-04 Yipin Guo , Yilin Lang , Qinyuan Ren

Quantization has been widely used to compress and accelerate inference of large language models (LLMs). Existing methods focus on exploring the per-token dynamic calibration to ensure both inference acceleration and model accuracy under…

机器学习 · 计算机科学 2025-03-12 Jinguang Wang , Jingyu Wang , Haifeng Sun , Tingting Yang , Zirui Zhuang , Wanyi Ning , Yuexi Yin , Qi Qi , Jianxin Liao

Post-training quantization of Large Language Models (LLMs) has proven effective in reducing the memory and computational requirements for inference. In this study, we focus on a straightforward question: When aiming for a target accuracy or…

计算与语言 · 计算机科学 2025-08-08 Zeyu Cao , Boyang Gu , Cheng Zhang , Pedro Gimenes , Jianqiao Lu , Jianyi Cheng , Xitong Gao , Yiren Zhao

The rapid deployment of Large Language Models (LLMs) highlights the need for efficient low-bit post-training quantization (PTQ), due to their high memory costs. A key challenge in weight quantization is the presence of outliers, which…

机器学习 · 计算机科学 2025-08-26 Xinlin Li , Osama Hanna , Christina Fragouli , Suhas Diggavi

Recent advances in Large Language Model (LLM) compression, such as quantization and pruning, have achieved notable success. However, as these techniques gradually approach their respective limits, relying on a single method for further…

计算与语言 · 计算机科学 2025-09-17 Hang Guo , Yawei Li , Luca Benini

Increasing the number of parameters in large language models (LLMs) usually improves performance in downstream tasks but raises compute and memory costs, making deployment difficult in resource-limited settings. Quantization techniques,…

计算与语言 · 计算机科学 2024-06-07 Renren Jin , Jiangcun Du , Wuwei Huang , Wei Liu , Jian Luan , Bin Wang , Deyi Xiong

Dynamic runtime latency and memory constraints necessitate flexible large language model (LLM) deployment, where an LLM can be inferred with various quantization precisions based on available computational resources. Recent work on such…

Post-training quantization has emerged as a widely adopted technique for compressing and accelerating the inference of Large Language Models (LLMs). The primary challenges in LLMs quantization stem from activation outliers, which…

机器学习 · 计算机科学 2026-05-20 Xiusheng Huang , Zhe Li , Xuanwu Yin , Lu Wang , Yequan Wang , Dong Li , Emad Barsoum , Kang Liu

Quantization is essential for reducing the computational cost and memory usage of deep neural networks, enabling efficient inference on low-precision hardware. Despite the growing adoption of uniform and floating-point quantization schemes,…

机器学习 · 统计学 2026-05-19 Mehmet Aktukmak , Daniel Huang , Ke Ding

Large language models (LLMs) are costly to deploy due to their large memory footprint and high inference cost. Weight-activation quantization can reduce these costs, but low-bit activation quantization remains difficult because activation…

机器学习 · 计算机科学 2026-05-12 Chayne Thrash , Ali Abbasi , Soheil Kolouri

Diffusion models have achieved remarkable success in image generation but come with significant computational costs, posing challenges for deployment in resource-constrained environments. Recent post-training quantization (PTQ) methods have…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Dongyeun Lee , Jiwan Hur , Hyounguk Shon , Jae Young Lee , Junmo Kim

Rotations have become essential to state-of-the-art quantization pipelines for large language models (LLMs) by effectively smoothing outliers in weights and activations. However, further optimizing the rotation parameters offers only…

机器学习 · 计算机科学 2025-09-01 Liulu He , Shenli Zheng , Karwei Sun , Yijiang Liu , Yufei Zhao , Chongkang Tan , Huanrui Yang , Yuan Du , Li Du

Large language models (LLMs) have achieved outstanding performance across a wide range of natural language processing tasks, but their enormous parameter counts impose ubstantial memory and computational overheads. This challenge is…

机器学习 · 计算机科学 2026-04-07 Seoungsub Lee , In Seo Kim , Seon Wook Kim