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相关论文: ZeroQuant(4+2): Redefining LLMs Quantization with …

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Quantization has become a crucial step for the efficient deployment of deep neural networks, where floating point operations are converted to simpler fixed point operations. In its most naive form, it simply consists in a combination of…

机器学习 · 计算机科学 2023-08-16 Edouard Yvinec , Arnaud Dapogny , Kevin Bailly

The inference of Large language models (LLMs) requires immense computation and memory resources. To curtail these costs, quantisation has merged as a promising solution, but existing LLM quantisation mainly focuses on 8-bit. In this work,…

机器学习 · 计算机科学 2024-03-15 Cheng Zhang , Jianyi Cheng , Ilia Shumailov , George A. Constantinides , Yiren Zhao

Post-Training Quantization (PTQ) is crucial for efficient model deployment, yet its effectiveness on Ascend NPU remains under-explored compared to GPU architectures. This paper presents a case study of representative PTQ baselines applied…

机器学习 · 计算机科学 2026-02-23 Yuchen Luo , Fangyue Zhu , Ruining Zhou , Mingzhe Huang , Jian Zhu , Fanyu Fan , Wei Shao

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

Large language models (LLMs) deliver impressive results for a variety of tasks, but state-of-the-art systems require fast GPUs with large amounts of memory. To reduce both the memory and latency of these systems, practitioners quantize…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Gautom Das , Vincent La , Ethan Lau , Abhinav Shrivastava , Matthew Gwilliam

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

As large language models have grown larger, interest has grown in low-precision numerical formats such as NVFP4 as a way to improve speed and reduce memory usage. However, quantizing models to NVFP4 remains challenging as the lack of…

Large Language Models (LLMs) excel in NLP, but their demands hinder their widespread deployment. While Quantization-Aware Training (QAT) offers a solution, its extensive training costs make Post-Training Quantization (PTQ) a more practical…

计算与语言 · 计算机科学 2024-04-09 Jing Liu , Ruihao Gong , Xiuying Wei , Zhiwei Dong , Jianfei Cai , Bohan Zhuang

Vision Transformers (ViTs) are essential in computer vision but are computationally intensive, too. Model quantization, particularly to low bit-widths like 4-bit, aims to alleviate this difficulty, yet existing Post-Training Quantization…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Guang Liang , Xinyao Liu , Jianxin Wu

Large Language Models (LLMs) have revolutionized natural language processing tasks. However, their practical application is constrained by substantial memory and computational demands. Post-training quantization (PTQ) is considered an…

机器学习 · 计算机科学 2025-07-29 Chao Zeng , Songwei Liu , Yusheng Xie , Hong Liu , Xiaojian Wang , Miao Wei , Shu Yang , Fangmin Chen , Xing Mei

Microscaling Floating-Point (MXFP) has emerged as a promising low-precision format for large language models (LLMs). Despite various post-training quantization (PTQ) algorithms being proposed, they mostly focus on integer quantization,…

计算与语言 · 计算机科学 2026-01-15 Manyi Zhang , Ji-Fu Li , Zhongao Sun , Haoli Bai , Hui-Ling Zhen , Zhenhua Dong , Xianzhi Yu

Quantization significantly accelerates inference in large language models (LLMs) by replacing original high-precision matrices with low-precision counterparts. Recent advances in weight-activation quantization have primarily focused on…

机器学习 · 计算机科学 2026-03-31 Wenyuan Liu , Haoqian Meng , Yilun Luo , Yafei Zhao , Peng Zhang , Xindian Ma

Large language models have achieved significant advancements in complex mathematical reasoning benchmarks, such as MATH. However, their substantial computational requirements present challenges for practical deployment. Model quantization…

计算与语言 · 计算机科学 2025-02-25 Zhen Li , Yupeng Su , Runming Yang , Congkai Xie , Zheng Wang , Zhongwei Xie , Ngai Wong , Hongxia Yang

Large language models (LLMs) are rapidly increasing in size, with the number of parameters becoming a key factor in the success of many commercial models, such as ChatGPT, Claude, and Bard. Even the recently released publicly accessible…

计算与语言 · 计算机科学 2023-09-19 Somnath Roy

Large language models (LLMs) face the challenges in fine-tuning and deployment due to their high memory demands and computational costs. While parameter-efficient fine-tuning (PEFT) methods aim to reduce the memory usage of the optimizer…

机器学习 · 计算机科学 2023-10-31 Jeonghoon Kim , Jung Hyun Lee , Sungdong Kim , Joonsuk Park , Kang Min Yoo , Se Jung Kwon , Dongsoo Lee

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

Training large language models with FP8 formats offers significant efficiency gains. However, the reduced numerical precision of FP8 poses challenges for stable and accurate training. Current frameworks preserve training performance using…

机器学习 · 计算机科学 2025-12-08 Yu Zhang , Hui-Ling Zhen , Mingxuan Yuan , Bei Yu

Large language models (LLMs) now support context windows exceeding 128K tokens, but this comes with significant memory requirements and high inference latency. Quantization can mitigate these costs, but may degrade performance. In this…

计算与语言 · 计算机科学 2025-09-23 Anmol Mekala , Anirudh Atmakuru , Yixiao Song , Marzena Karpinska , Mohit Iyyer

Recently, quantization has been widely used for the compression and acceleration of large language models (LLMs). Due to the outliers in LLMs, it is crucial to flatten weights and activations to minimize quantization error with equally…

计算与语言 · 计算机科学 2025-08-12 Yuxuan Sun , Ruikang Liu , Haoli Bai , Han Bao , Kang Zhao , Yuening Li , Jiaxin Hu , Xianzhi Yu , Lu Hou , Chun Yuan , Xin Jiang , Wulong Liu , Jun Yao

Large Language Models (LLMs) face significant deployment challenges due to their substantial resource requirements. While low-bit quantized weights can reduce memory usage and improve inference efficiency, current hardware lacks native…

机器学习 · 计算机科学 2025-06-10 Pengxiang Zhao , Xiaoming Yuan