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Large language models (LLMs) with hundreds of billions of parameters require powerful server-grade GPUs for inference, limiting their practical deployment. To address this challenge, we introduce the outlier-aware weight quantization (OWQ)…

计算与语言 · 计算机科学 2024-01-25 Changhun Lee , Jungyu Jin , Taesu Kim , Hyungjun Kim , Eunhyeok Park

Large Language Model (LLM) unlearning aims to remove targeted knowledge from a trained model, but practical deployments often require post-training quantization (PTQ) for efficient inference. However, aggressive low-bit PTQ can mask…

The emergence of fine-grained numerical formats like NVFP4 presents new opportunities for efficient Large Language Model (LLM) inference. However, it is difficult to adapt existing Post-Training Quantization (PTQ) strategies to these…

机器学习 · 计算机科学 2026-01-13 Haoqian Meng , Yilun Luo , Yafei Zhao , Wenyuan Liu , Peng Zhang , Xindian Ma

The rapid growth of large language models (LLMs) has heightened the importance of post-training quantization (PTQ) for reducing memory and computation costs. Among PTQ methods, GPTQ has gained significant attention for its efficiency,…

机器学习 · 计算机科学 2026-02-06 Junhan Kim , Yeo Jeong Park , Seungwoo Son , Chungman Lee , Ho-young Kim , Joonyoung Kim , Yongkweon Jeon

As large language models (LLMs) become more prevalent, there is a growing need for new and improved quantization methods that can meet the computationalast layer demands of these modern architectures while maintaining the accuracy. In this…

计算与语言 · 计算机科学 2023-10-18 Wenhua Cheng , Yiyang Cai , Kaokao Lv , Haihao Shen

Large Language Models (LLMs) quantization facilitates deploying LLMs in resource-limited settings, but existing methods that combine incompatible gradient optimization and quantization truncation lead to serious convergence pathology. This…

机器学习 · 计算机科学 2026-05-11 Jinying Xiao , Bin Ji , Shasha Li , Xiaodong Liu , Ma Jun , Chao Wang , Wei Li , Ye Zhong , Xuan Xie , Nyima Tashi , Jie Yu

Quantization can accelerate large language model (LLM) inference. Going beyond INT8 quantization, the research community is actively exploring even lower precision, such as INT4. Nonetheless, state-of-the-art INT4 quantization techniques…

计算与语言 · 计算机科学 2025-05-02 Yujun Lin , Haotian Tang , Shang Yang , Zhekai Zhang , Guangxuan Xiao , Chuang Gan , Song Han

Large language models (LLMs) have driven major progress in NLP, yet their substantial memory and compute demands still hinder practical deployment. Binarization can compress weights to 1 bit, fundamentally lowering compute and bandwidth…

机器学习 · 计算机科学 2026-05-04 Zhixiong Zhao , Zukang Xu , Dawei Yang

Large Vision Language Models (LVLMs) have achieved remarkable success in a range of downstream tasks that require multimodal interaction, but their capabilities come with substantial computational and memory overhead, which hinders…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Ziwei Xiang , Fanhu Zeng , Hongjian Fang , Rui-Qi Wang , Renxing Chen , Yanan Zhu , Yi Chen , Peipei Yang , Xu-Yao Zhang

Post-training Quantization (PTQ) technique has been extensively adopted for large language models (LLMs) compression owing to its efficiency and low resource requirement. However, current research lacks a in-depth analysis of the superior…

机器学习 · 计算机科学 2025-05-22 Jiaqi Zhao , Ming Wang , Miao Zhang , Yuzhang Shang , Xuebo Liu , Yaowei Wang , Min Zhang , Liqiang Nie

Ever-growing scale of large language models (LLMs) is pushing for improved efficiency, favoring fully quantized training (FQT) over BF16. While FQT accelerates training, it faces consistency challenges and requires searching over an…

机器学习 · 计算机科学 2025-05-19 Myeonghwan Ahn , Sungjoo Yoo

Existing post-training quantization methods for large language models (LLMs) offer remarkable success. However, the increasingly marginal performance gains suggest that existing quantization strategies are insufficient to support the…

机器学习 · 计算机科学 2025-10-28 Jiaqi Zhao , Miao Zhang , Deng Xiang , Ming Li , Weili Guan , Liqiang Nie

Large language models (LLMs) require immense resources for training and inference. Quantization, a technique that reduces the precision of model parameters, offers a promising solution for improving LLM efficiency and sustainability. While…

机器学习 · 计算机科学 2025-02-18 Jacob Nielsen , Peter Schneider-Kamp , Lukas Galke

Large language models (LLMs) have recently demonstrated remarkable performance across diverse language tasks. But their deployment is often constrained by their substantial computational and storage requirements. Quantization has emerged as…

机器学习 · 计算机科学 2024-10-24 Pranav Ajit Nair , Arun Sai Suggala

Post-training quantization (PTQ) is a promising solution for deploying large language models (LLMs) on resource-constrained devices. Early methods developed for small-scale networks, such as ResNet, rely on gradient-based optimization,…

机器学习 · 计算机科学 2025-06-09 Junhan Kim , Ho-young Kim , Eulrang Cho , Chungman Lee , Joonyoung Kim , Yongkweon Jeon

Rapid advancements in GPU computational power has outpaced memory capacity and bandwidth growth, creating bottlenecks in Large Language Model (LLM) inference. Post-training quantization is the leading method for addressing memory-related…

机器学习 · 计算机科学 2024-10-14 Ayush Kaushal , Tejas Vaidhya , Arnab Kumar Mondal , Tejas Pandey , Aaryan Bhagat , Irina Rish

A natural and intuitive idea in model quantization is to approximate each component's quantized output to match its original. Motivated by this idea, most layer-wise post-training quantization (PTQ) methods focus on weight approximation at…

机器学习 · 计算机科学 2026-01-28 Li Lin , Xiaojun Wan

Large language models (LLMs) are crucial in modern natural language processing and artificial intelligence. However, they face challenges in managing their significant memory requirements. Although quantization-aware training (QAT) offers a…

机器学习 · 计算机科学 2025-05-20 Mengzhao Chen , Wenqi Shao , Peng Xu , Jiahao Wang , Peng Gao , Kaipeng Zhang , Ping Luo

Large Language Models (LLMs) pose significant hardware challenges related to memory requirements and computational ability. There are two mainstream quantization schemes for LLMs: coarse-grained ($\textit{e.g.,}$ channel-wise) quantization…

人工智能 · 计算机科学 2023-10-10 Luoming Zhang , Wen Fei , Weijia Wu , Yefei He , Zhenyu Lou , Hong Zhou

Large language models (LLMs) have grown beyond the memory capacity of single GPU devices, necessitating quantization techniques for practical deployment. While NF4 (4-bit NormalFloat) quantization enables 4$\times$ memory reduction,…

机器学习 · 计算机科学 2026-04-06 Xiangbo Qi , Chaoyi Jiang , Murali Annavaram