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相关论文: Enhancing Post-Training Quantization via Future Ac…

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Large language models of high parameter counts are computationally expensive, yet can be made much more efficient by compressing their weights to very low numerical precision. This can be achieved either through post-training quantization…

机器学习 · 计算机科学 2025-04-21 Zifei Xu , Sayeh Sharify , Wanzin Yazar , Tristan Webb , Xin Wang

As large language models continue to scale, low-bit weight-only post-training quantization (PTQ) offers a practical solution to their memory-efficient deployment. Although block-wise PTQ is capable of matching the full-precision (FP)…

人工智能 · 计算机科学 2026-05-29 Jung Hyun Lee , June Yong Yang , Jungwook Choi , Eunho Yang

Post-training quantization (PTQ) methods for large language models rely on heuristics that implicitly estimate which weight channels most strongly influence model behavior. Two dominant paradigms have emerged: activation-aware methods such…

机器学习 · 计算机科学 2026-01-21 Bruce Changlong Xu

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

Post-training quantization (PTQ) is a popular method for compressing deep neural networks (DNNs) without modifying their original architecture or training procedures. Despite its effectiveness and convenience, the reliability of PTQ methods…

机器学习 · 计算机科学 2023-03-24 Zhihang Yuan , Jiawei Liu , Jiaxiang Wu , Dawei Yang , Qiang Wu , Guangyu Sun , Wenyu Liu , Xinggang Wang , Bingzhe Wu

Large language models (LLMs) have wide applications in the field of natural language processing(NLP), such as GPT-4 and Llama. However, with the exponential growth of model parameter sizes, LLMs bring significant resource overheads. Low-bit…

计算与语言 · 计算机科学 2025-02-27 Liangdong Liu , Zhitong Zheng , Cong Wang , Tianhuang Su , Zhenyu Yang

Post-training quantization (PTQ) is an effective approach for deploying large language models (LLMs) under memory and latency constraints. Most existing PTQ methods determine quantization parameters by minimizing a layer-wise reconstruction…

人工智能 · 计算机科学 2026-05-11 Yanlong Zhao , Xiaoyuan Cheng , Huihang Liu , Baihua He , Xinyu Zhang , Harrison Bo Hua Zhu , Wenlong Chen , Li Zeng , Zhuo Sun

Large language models(LLMs) exhibit excellent performance across a variety of tasks, but they come with significant computational and storage costs. Quantizing these models is an effective way to alleviate this issue. However, existing…

机器学习 · 计算机科学 2023-11-14 Baisong Li , Xingwang Wang , Haixiao Xu

Recent advances in diffusion large language models (dLLMs) have introduced a promising alternative to autoregressive (AR) LLMs for natural language generation tasks, leveraging full attention and denoising-based decoding strategies.…

计算与语言 · 计算机科学 2026-03-17 Haokun Lin , Haobo Xu , Yichen Wu , Ziyu Guo , Renrui Zhang , Zhichao Lu , Ying Wei , Qingfu Zhang , Zhenan Sun

Post-training quantization (PTQ) is a promising approach to reducing the storage and computational requirements of large language models (LLMs) without additional training cost. Recent PTQ studies have primarily focused on quantizing only…

机器学习 · 计算机科学 2026-02-17 Reena Elangovan , Charbel Sakr , Anand Raghunathan , Brucek Khailany

Post-training model quantization is a widely adopted technique for reducing the memory and computational costs of large language models (LLMs). However, most existing methods rely on uniform or heuristic bitwidth assignments, failing to…

机器学习 · 计算机科学 2025-06-09 Chao Zhang , Li Wang , Samson Lasaulce , Merouane Debbah

Model compression methods are used to reduce the computation and energy requirements for Large Language Models (LLMs). Quantization Aware Training (QAT), an effective model compression method, is proposed to reduce performance degradation…

机器学习 · 计算机科学 2024-10-16 He Li , Jianhang Hong , Yuanzhuo Wu , Snehal Adbol , Zonglin Li

Post-training quantization (PTQ) of large language models (LLMs) to extremely low bit-widths remains challenging due to the fundamental trade-off between computational efficiency and representational capacity. While existing ultra-low-bit…

机器学习 · 计算机科学 2026-01-05 He Xiao , Runming Yang , Qingyao Yang , Wendong Xu , Zhen Li , Yupeng Su , Zhengwu Liu , Hongxia Yang , Ngai Wong

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

Reasoning models excel at complex tasks such as coding and mathematics, yet their inference is often slow and token-inefficient. To improve the inference efficiency, post-training quantization (PTQ) usually comes with the cost of large…

机器学习 · 计算机科学 2026-01-22 Keyu Lv , Manyi Zhang , Xiaobo Xia , Jingchen Ni , Shannan Yan , Xianzhi Yu , Lu Hou , Chun Yuan , Haoli Bai

Large Language Models (LLMs) are widely used across many domains, but their scale makes deployment challenging. Post-Training Quantization (PTQ) reduces memory footprint without retraining by leveraging a small calibration set. Recent…

机器学习 · 计算机科学 2026-04-16 Jaemin Kim , Sungkyun Kim , Junyeol Lee , Jiwon Seo

The significant resource requirements associated with Large-scale Language Models (LLMs) have generated considerable interest in the development of techniques aimed at compressing and accelerating neural networks. Among these techniques,…

机器学习 · 计算机科学 2024-03-20 Yuexiao Ma , Huixia Li , Xiawu Zheng , Feng Ling , Xuefeng Xiao , Rui Wang , Shilei Wen , Fei Chao , Rongrong Ji

Many LLM applications require only narrow capabilities, yet standard post-training quantization (PTQ) methods allocate precision without considering the target task. This can waste bits on layers that are less relevant to the task signal…

计算与语言 · 计算机科学 2026-05-19 Amit LeVi , Raz Lapid , Rom Himelstein , Chaim Baskin , Ravid Shwartz Ziv , Avi Mendelson

Post-training quantization is widely employed to reduce the computational demands of neural networks. Typically, individual substructures, such as layers or blocks of layers, are quantized with the objective of minimizing quantization…

机器学习 · 计算机科学 2024-11-07 Khasmamad Shabanovi , Lukas Wiest , Vladimir Golkov , Daniel Cremers , Thomas Pfeil

Quantization is a technique used in deep neural networks (DNNs) to increase execution performance and hardware efficiency. Uniform post-training quantization (PTQ) methods are common, since they can be implemented efficiently in hardware…

机器学习 · 计算机科学 2021-10-29 Gil Shomron , Freddy Gabbay , Samer Kurzum , Uri Weiser