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Related papers: Rethinking Post-Training Quantization: Introducing…

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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…

Machine Learning · Computer Science 2020-12-15 Itay Hubara , Yury Nahshan , Yair Hanani , Ron Banner , Daniel Soudry

Quantization is an essential and popular technique for improving the accessibility of large language models (LLMs) by reducing memory usage and computational costs while maintaining performance. In this study, we apply 4-bit Group Scaling…

Computation and Language · Computer Science 2025-08-18 Sahil Sk , Debasish Dhal , Sonal Khosla , Sk Shahid , Sambit Shekhar , Akash Dhaka , Shantipriya Parida , Dilip K. Prasad , Ondřej Bojar

Post-training quantization (PTQ) offers an efficient approach to compressing large language models (LLMs), significantly reducing memory access and computational costs. Existing compensation-based weight calibration methods often rely on a…

Machine Learning · Computer Science 2025-11-17 Xingyu Zheng , Haotong Qin , Yuye Li , Haoran Chu , Jiakai Wang , Jinyang Guo , Michele Magno , Xianglong Liu

Large language models (LLMs) are costly to deploy due to their large memory footprint and high inference cost. Weight-activation quantization can reduce these costs, but low-bit activation quantization remains difficult because activation…

Machine Learning · Computer Science 2026-05-12 Chayne Thrash , Ali Abbasi , Soheil Kolouri

Multimodal Large Language Models (MLLMs) have shown strong reasoning ability, but their high computational and memory costs hinder deployment in resource-constrained settings. While Post-Training Quantization (PTQ) and vision token pruning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Xinhao Wang , Zhonyu Xia , Zhiwei Lin , Zhe Li , Yongtao Wang

Foundation models have achieved remarkable results in medical image analysis. However, its large network architecture and high computational complexity significantly impact inference speed, limiting its application on terminal medical…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Yineng Chen , Peng Huang , Aozhong Zhang , Hui Guo , Penghang Yin , Shu Hu , Shao Lin , Xin Li , Tzu-Jen Kao , Balakrishnan Prabhakaran , MingChing Chang , Xin Wang

Due to highly constrained computing power and memory, deploying 3D lidar-based detectors on edge devices equipped in autonomous vehicles and robots poses a crucial challenge. Being a convenient and straightforward model compression…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Sifan Zhou , Liang Li , Xinyu Zhang , Bo Zhang , Shipeng Bai , Miao Sun , Ziyu Zhao , Xiaobo Lu , Xiangxiang Chu

The burgeoning computational demands for training large language models (LLMs) necessitate efficient methods, including quantized training, which leverages low-bit arithmetic operations to reduce costs. While FP8 precision has shown…

Machine Learning · Computer Science 2025-02-18 Jiecheng Zhou , Ding Tang , Rong Fu , Boni Hu , Haoran Xu , Yi Wang , Zhilin Pei , Zhongling Su , Liang Liu , Xingcheng Zhang , Weiming Zhang

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…

Computation and Language · Computer Science 2024-06-28 Jinguang Wang , Yuexi Yin , Haifeng Sun , Qi Qi , Jingyu Wang , Zirui Zhuang , Tingting Yang , Jianxin Liao

Recent studies introduced effective compression techniques for Large Language Models (LLMs) via post-training quantization or low-bit weight representation. Although quantized weights offer storage efficiency and allow for faster inference,…

Computation and Language · Computer Science 2024-05-02 Irina Proskurina , Luc Brun , Guillaume Metzler , Julien Velcin

Pre-trained language models (PLMs) may fail in giving reliable estimates of their predictive uncertainty. We take a close look into this problem, aiming to answer two questions: (1) Do PLMs learn to become calibrated in the training…

Computation and Language · Computer Science 2023-05-09 Yangyi Chen , Lifan Yuan , Ganqu Cui , Zhiyuan Liu , Heng Ji

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…

Machine Learning · Computer Science 2024-11-07 Khasmamad Shabanovi , Lukas Wiest , Vladimir Golkov , Daniel Cremers , Thomas Pfeil

The post-training quantization (PTQ) challenge of bringing quantized neural net accuracy close to original has drawn much attention driven by industry demand. Many of the methods emphasize optimization of a specific degree-of-freedom (DoF),…

Machine Learning · Statistics 2023-03-21 Alex Finkelstein , Ella Fuchs , Idan Tal , Mark Grobman , Niv Vosco , Eldad Meller

Although recent quantized Large Language Models (LLMs), such as BitNet, have paved the way for significant reduction in memory usage during deployment with binary or ternary weights, training these models still demands substantial memory…

Machine Learning · Computer Science 2025-10-13 Kaiyan Zhao , Tsuguchika Tabaru , Kenichi Kobayashi , Takumi Honda , Masafumi Yamazaki , Yoshimasa Tsuruoka

Large Language Models (LLMs) have greatly advanced the natural language processing paradigm. However, the high computational load and huge model sizes pose a grand challenge for deployment on edge devices. To this end, we propose APTQ…

Machine Learning · Computer Science 2024-04-17 Ziyi Guan , Hantao Huang , Yupeng Su , Hong Huang , Ngai Wong , Hao Yu

Strong reasoning capabilities can now be achieved by large-scale reinforcement learning (RL) without any supervised fine-tuning. Although post-training quantization (PTQ) and quantization-aware training (QAT) are well studied in the context…

Machine Learning · Computer Science 2025-11-20 Medha Kumar , Zifei Xu , Xin Wang , Tristan Webb

Post-training quantization (PTQ) reduces the memory footprint of LLMs by quantizing weights to low-precision datatypes. Since LLM inference is usually memory-bound, PTQ methods can improve inference throughput. Recent state-of-the-art PTQ…

Machine Learning · Computer Science 2025-06-19 Albert Tseng , Qingyao Sun , David Hou , Christopher De Sa

Recent advancements in large language models (LLMs) are propelling us toward artificial general intelligence with their remarkable emergent abilities and reasoning capabilities. However, the substantial computational and memory requirements…

Machine Learning · Computer Science 2024-10-10 Ruihao Gong , Yang Yong , Shiqiao Gu , Yushi Huang , Chengtao Lv , Yunchen Zhang , Xianglong Liu , Dacheng Tao

Post-training quantization is an effective method for reducing the serving cost of large language models, where the standard approach is to use a round-to-nearest quantization level scheme. However, this often introduces large errors due to…

Machine Learning · Computer Science 2025-11-26 Ziteng Sun , Adrian Benton , Samuel Kushnir , Asher Trockman , Vikas Singh , Suhas Diggavi , Ananda Theertha Suresh

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,…

Computation and Language · Computer Science 2026-01-15 Manyi Zhang , Ji-Fu Li , Zhongao Sun , Haoli Bai , Hui-Ling Zhen , Zhenhua Dong , Xianzhi Yu