English
Related papers

Related papers: The Geometry of LLM Quantization: GPTQ as Babai's …

200 papers

Large Language Models (LLMs) have showcased remarkable impacts across a wide spectrum of natural language processing tasks. Fine-tuning these pretrained models on downstream datasets provides further significant performance gains; however,…

Computation and Language · Computer Science 2026-03-19 Zhikai Li , Xiaoxuan Liu , Banghua Zhu , Zhen Dong , Qingyi Gu , Kurt Keutzer

Post-training quantization (PTQ) has played a key role in compressing large language models (LLMs) with ultra-low costs. However, existing PTQ methods only focus on handling the outliers within one layer or one block, which ignores the…

Machine Learning · Computer Science 2025-02-26 Xin Ding , Xiaoyu Liu , Zhijun Tu , Yun Zhang , Wei Li , Jie Hu , Hanting Chen , Yehui Tang , Zhiwei Xiong , Baoqun Yin , Yunhe Wang

In the era of large-scale language models, the substantial parameter size poses significant challenges for deployment. Being a prevalent compression technique, quantization has emerged as the mainstream practice to tackle this issue, which…

Computation and Language · Computer Science 2023-08-31 Qingyuan Li , Yifan Zhang , Liang Li , Peng Yao , Bo Zhang , Xiangxiang Chu , Yerui Sun , Li Du , Yuchen Xie

We study weight-only post-training quantization (PTQ), which quantizes the weights of a large language model (LLM) without retraining, using little or no calibration data. Weight-only PTQ is crucial for reducing the memory footprint and…

Machine Learning · Computer Science 2025-10-23 Deokjae Lee , Hyun Oh Song

Post-training quantization (PTQ) has become a crucial tool for reducing the memory and compute costs of modern deep neural networks, including large language models (LLMs). Among PTQ algorithms, the OPTQ framework-also known as GPTQ-has…

Machine Learning · Computer Science 2026-04-13 Haoyu Zhang , Shihao Zhang , Ian Colbert , Rayan Saab

Quantization has become a standard tool for efficient LLM deployment, especially for local inference, where models are now routinely served at 2-3 bits per parameter. The state of the art is currently split into simple scalar quantization…

Computation and Language · Computer Science 2026-05-18 Alireza Dadgarnia , Soroush Tabesh , Mahdi Nikdan , Michael Helcig , Eldar Kurtic , Maximilian Kleinegger , Dan Alistarh

We demonstrate, for the first time, fully quantized training (FQT) of large language models (LLMs) using predominantly 4-bit floating-point (FP4) precision for weights, activations, and gradients on datasets up to 200 billion tokens. We…

Machine Learning · Computer Science 2025-08-12 Brian Chmiel , Maxim Fishman , Ron Banner , Daniel Soudry

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…

Machine Learning · Computer Science 2025-05-22 Jiaqi Zhao , Ming Wang , Miao Zhang , Yuzhang Shang , Xuebo Liu , Yaowei Wang , Min Zhang , Liqiang Nie

This study examines 4-bit quantization methods like GPTQ in large language models (LLMs), highlighting GPTQ's overfitting and limited enhancement in Zero-Shot tasks. While prior works merely focusing on zero-shot measurement, we extend task…

Layer-wise PTQ is a promising technique for compressing large language models (LLMs), due to its simplicity and effectiveness without requiring retraining. However, recent progress in this area is saturating, underscoring the need to…

Machine Learning · Computer Science 2026-01-14 Yamato Arai , Yuma Ichikawa

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…

Machine Learning · Computer Science 2026-02-17 Reena Elangovan , Charbel Sakr , Anand Raghunathan , Brucek Khailany

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…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Ofir Gordon , Elad Cohen , Hai Victor Habi , Arnon Netzer

High memory demands of generative language models have drawn attention to quantization, which reduces computational cost, memory usage, and latency by mapping model weights to lower-precision integers. Approaches such as GPTQ effectively…

Computation and Language · Computer Science 2026-02-03 Irina Proskurina , Guillaume Metzler , Julien Velcin

Large Language Models (LLMs) have demonstrated remarkable performance across various natural language processing (NLP) tasks. However, their deployment is challenging due to the substantial computational resources required. Power-of-two…

Computation and Language · Computer Science 2025-07-17 Xinyu Wang , Vahid Partovi Nia , Peng Lu , Jerry Huang , Xiao-Wen Chang , Boxing Chen , Yufei Cui

This work studies post-training parameter quantization in large language models (LLMs). We introduce quantization with incoherence processing (QuIP), a new method based on the insight that quantization benefits from $\textit{incoherent}$…

Machine Learning · Computer Science 2024-01-17 Jerry Chee , Yaohui Cai , Volodymyr Kuleshov , Christopher De Sa

Post-training quantization (PTQ) has emerged as a promising technique for mitigating memory consumption and computational costs in large language models (LLMs). However, a systematic examination of various quantization schemes, model…

Machine Learning · Computer Science 2023-05-29 Zhewei Yao , Xiaoxia Wu , Cheng Li , Stephen Youn , Yuxiong He

Recent works on compression of large language models (LLM) using quantization considered reparameterizing the architecture such that weights are distributed on the sphere. This demonstratively improves the ability to quantize by increasing…

Machine Learning · Computer Science 2024-12-05 Tycho F. A. van der Ouderaa , Maximilian L. Croci , Agrin Hilmkil , James Hensman

Weight quantization effectively reduces memory consumption and enable the deployment of Large Language Models on edge devices, yet existing hardware-friendly methods often rely on uniform quantization, which suffers from poor…

Machine Learning · Computer Science 2026-02-03 Xin Nie , Liang Dong , Haicheng Zhang , Jiawang Xiao , G. Sun

With the advent of large language models (LLMs), numerous Post-Training Quantization (PTQ) strategies have been proposed to alleviate deployment barriers created by their enormous parameter counts. Quantization achieves compression by…

Machine Learning · Computer Science 2025-09-24 Wonjun Bang , Jongseok Park , Hongseung Yu , Kyungmin Bin , Kyunghan Lee

Large Language Models (LLMs) have distinguished themselves with outstanding performance in complex language modeling tasks, yet they come with significant computational and storage challenges. This paper explores the potential of…

Machine Learning · Computer Science 2024-10-17 Sayeh Sharify , Utkarsh Saxena , Zifei Xu , Wanzin Yazar , Ilya Soloveychik , Xin Wang