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相关论文: Towards Accurate Post-training Quantization for Re…

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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

Large language models (LLMs) have revolutionized natural language processing, albeit at the cost of immense memory and computation requirements. Post-training quantization (PTQ) is becoming the de facto method to reduce the memory footprint…

机器学习 · 计算机科学 2024-10-28 Yuhang Li , Priyadarshini Panda

Large Language Models (LLMs) suffer severe performance degradation when facing extremely low-bit (sub 2-bit) quantization. Several existing sub 2-bit post-training quantization (PTQ) methods utilize a mix-precision scheme by leveraging an…

机器学习 · 计算机科学 2025-08-07 Jiaqi Zhao , Miao Zhang , Ming Wang , Yuzhang Shang , Kaihao Zhang , Weili Guan , Yaowei Wang , Min Zhang

Diffusion large language models (dLLMs), which offer bidirectional context and flexible masked-denoising generation, are emerging as a compelling alternative to autoregressive (AR) LLMs. However, like AR LLMs, their model sizes continue to…

机器学习 · 计算机科学 2025-10-07 Tianao Zhang , Zhiteng Li , Xianglong Yan , Haotong Qin , Yong Guo , Yulun Zhang

Mixture-of-Experts (MoE) large language models (LLMs), which leverage dynamic routing and sparse activation to enhance efficiency and scalability, have achieved higher performance while reducing computational costs. However, these models…

机器学习 · 计算机科学 2025-05-08 Xing Hu , Zhixuan Chen , Dawei Yang , Zukang Xu , Chen Xu , Zhihang Yuan , Sifan Zhou , Jiangyong Yu

Quantizing the activations of large language models (LLMs) has been a significant challenge due to the presence of structured outliers. Most existing methods focus on the per-token or per-tensor quantization of activations, making it…

计算与语言 · 计算机科学 2024-06-28 Jinguang Wang , Yuexi Yin , Haifeng Sun , Qi Qi , Jingyu Wang , Zirui Zhuang , Tingting Yang , Jianxin Liao

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference. Emergent DNN hardware accelerators begin to support mixed precision (1-8 bits) to further improve the computation efficiency,…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han

Post-training quantization (PTQ) reduces a model's memory footprint by mapping full precision weights into low bit weights without costly retraining, but can degrade its downstream performance especially in low 2- to 3-bit settings. We…

机器学习 · 计算机科学 2025-07-18 Hanqi Xiao , Yi-Lin Sung , Elias Stengel-Eskin , Mohit Bansal

Large language models have transformed the comprehension and generation of natural language tasks, but they come with substantial memory and computational requirements. Quantization techniques have emerged as a promising avenue for…

计算与语言 · 计算机科学 2024-12-10 Amitash Nanda , Sree Bhargavi Balija , Debashis Sahoo

Lately, post-training quantization methods have gained considerable attention, as they are simple to use, and require only a small unlabeled calibration set. This small dataset cannot be used to fine-tune the model without significant…

机器学习 · 计算机科学 2020-12-15 Itay Hubara , Yury Nahshan , Yair Hanani , Ron Banner , Daniel Soudry

With the increasing complexity of generative AI models, post-training quantization (PTQ) has emerged as a promising solution for deploying hyper-scale models on edge devices such as mobile and TVs. Existing PTQ schemes, however, consume…

机器学习 · 计算机科学 2024-11-06 Junhan Kim , Chungman Lee , Eulrang Cho , Kyungphil Park , Ho-young Kim , Joonyoung Kim , Yongkweon Jeon

When quantizing weights and activations to increasingly narrower representations, the cost of additions begins to dominate that of multiplications in multiply-accumulate (MAC) units. Recent studies show that reducing addition costs via…

机器学习 · 计算机科学 2025-08-01 Ian Colbert , Giuseppe Franco , Fabian Grob , Jinjie Zhang , Rayan Saab

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference. Emergent DNN hardware accelerators begin to support mixed precision (1-8 bits) to further improve the computation efficiency,…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han

Due to the high memory and computational costs associated with large language models (LLMs), model compression techniques such as quantization, which reduces inference costs, and parameter-efficient fine-tuning (PEFT) methods like Low-Rank…

机器学习 · 计算机科学 2025-07-23 Hyesung Jeon , Yulhwa Kim , Jae-joon Kim

Looped language models (LoopLMs) improve parameter efficiency by recursively reusing Transformer blocks, enabling deeper computation under a fixed model size. However, this reuse makes LoopLMs more fragile under post-training quantization…

机器学习 · 计算机科学 2026-05-19 Rui Fang , Hsi-Wen Chen , Ming-Syan Chen

Large-scale visual generative models have achieved remarkable performance. However, their high computational and memory costs make deployment challenging in resource-constrained scenarios, such as interactive applications and personal…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Yongsen Cheng , Kai Liu , Kaiwen Tao , Junxian Li , Zhixin Wang , Zhikai Chen , Renjing Pei , Yulun Zhang

Transformer-based models have gained widespread popularity in both the computer vision (CV) and natural language processing (NLP) fields. However, significant challenges arise during post-training linear quantization, leading to noticeable…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Jiun-Man Chen , Yu-Hsuan Chao , Yu-Jie Wang , Ming-Der Shieh , Chih-Chung Hsu , Wei-Fen Lin

Quantization techniques, including quantization-aware training (QAT) and post-training quantization (PTQ), have become essential for inference acceleration of image super-resolution (SR) networks. Compared to QAT, PTQ has garnered…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Hailing Wang , jianglin Lu , Yitian Zhang , Yun Fu

Quantization is a key method for deploying deep neural networks on edge devices with limited memory and computation resources. Recent improvements in Post-Training Quantization (PTQ) methods were achieved by an additional local optimization…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Ofir Gordon , Elad Cohen , Hai Victor Habi , Arnon Netzer

Recent post-training quantization (PTQ) methods have adopted block rotations to diffuse outliers prior to rounding. While this reduces the overhead of online full-vector rotations, the effect of block structure on outlier suppression…

机器学习 · 计算机科学 2026-05-29 Sai Sanjeet , Ian Colbert , Pablo Monteagudo-Lago , Giuseppe Franco , Yaman Umuroglu , Nicholas J. Fraser