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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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yongsen Cheng , Kai Liu , Kaiwen Tao , Junxian Li , Zhixin Wang , Zhikai Chen , Renjing Pei , Yulun Zhang

A prominent technique for reducing the memory footprint of Spiking Neural Networks (SNNs) without decreasing the accuracy significantly is quantization. However, the state-of-the-art only focus on employing the weight quantization directly…

Neural and Evolutionary Computing · Computer Science 2023-03-06 Rachmad Vidya Wicaksana Putra , Muhammad Shafique

The ever-growing computational complexity of Large Language Models (LLMs) necessitates efficient deployment strategies. The current state-of-the-art approaches for Post-training Quantization (PTQ) often require calibration to achieve the…

Computation and Language · Computer Science 2024-05-24 Alireza Ghaffari , Sharareh Younesian , Vahid Partovi Nia , Boxing Chen , Masoud Asgharian

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse natural language processing tasks. However, their extensive memory requirements, particularly due to KV cache growth during long-text understanding and…

Computation and Language · Computer Science 2025-10-14 Haoqi Yang , Yao Yao , Zuchao Li , Baoyuan Qi , Guoming Liu , Hai Zhao

Quantum image computing draws a lot of attention due to storing and processing image data faster than classical. With increasing the image size, the number of connections also increases, leading to the circuit complex. Therefore, efficient…

Quantum Physics · Physics 2023-06-23 Md Ershadul Haque , Manoranjan Paul , Anwaar Ulhaq , Tanmoy Debnath

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

Quantization Neural Networks (QNN) have attracted a lot of attention due to their high efficiency. To enhance the quantization accuracy, prior works mainly focus on designing advanced quantization algorithms but still fail to achieve…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Mingzhu Shen , Feng Liang , Ruihao Gong , Yuhang Li , Chuming Li , Chen Lin , Fengwei Yu , Junjie Yan , Wanli Ouyang

Quantization using a small number of bits shows promise for reducing latency and memory usage in deep neural networks. However, most quantization methods cannot readily handle complicated functions such as exponential and square root, and…

Image and Video Processing · Electrical Eng. & Systems 2023-03-27 Yangyang Chang , Gerald E. Sobelman

Matryoshka Quantization (MatQuant) is a recent quantization approach showing that a single integer-quantized model can be served across multiple precisions, by slicing the most significant bits (MSB) at inference time. This enables a single…

Machine Learning · Computer Science 2026-02-04 Maximilian Kleinegger , Elvir Crnčević , Dan Alistarh

This paper proposes a novel matrix quantization method, Binary Quadratic Quantization (BQQ). In contrast to conventional first-order quantization approaches, such as uniform quantization and binary coding quantization, that approximate…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Kyo Kuroki , Yasuyuki Okoshi , Thiem Van Chu , Kazushi Kawamura , Masato Motomura

Most state-of-the-art Graph Neural Networks (GNNs) can be defined as a form of graph convolution which can be realized by message passing between direct neighbors or beyond. To scale such GNNs to large graphs, various neighbor-, layer-, or…

Machine Learning · Computer Science 2021-10-28 Mucong Ding , Kezhi Kong , Jingling Li , Chen Zhu , John P Dickerson , Furong Huang , Tom Goldstein

Large Language Models (LLMs) pose significant hardware challenges related to memory requirements and computational ability. There are two mainstream quantization schemes for LLMs: coarse-grained ($\textit{e.g.,}$ channel-wise) quantization…

Artificial Intelligence · Computer Science 2023-10-10 Luoming Zhang , Wen Fei , Weijia Wu , Yefei He , Zhenyu Lou , Hong Zhou

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…

Machine Learning · Computer Science 2026-01-21 Bruce Changlong Xu

Quantization of Deep Neural Network (DNN) activations is a commonly used technique to reduce compute and memory demands during DNN inference, which can be particularly beneficial on resource-constrained devices. To achieve high accuracy,…

Machine Learning · Computer Science 2024-12-16 Wenhao Hu , Paul Henderson , José Cano

We investigate the compression of deep neural networks by quantizing their weights and activations into multiple binary bases, known as multi-bit networks (MBNs), which accelerate the inference and reduce the storage for the deployment on…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zhongnan Qu , Zimu Zhou , Yun Cheng , Lothar Thiele

Model quantization is considered as a promising method to greatly reduce the resource requirements of deep neural networks. To deal with the performance drop induced by quantization errors, a popular method is to use training data to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Kanghyun Choi , Hye Yoon Lee , Deokki Hong , Joonsang Yu , Noseong Park , Youngsok Kim , Jinho Lee

Rotation-based Post-Training Quantization (PTQ) has emerged as a promising solution for mitigating activation outliers in the quantization of Large Language Models (LLMs). Global rotation methods achieve inference efficiency by fusing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Suyoung Kim , Sunghyun Wee , Hyeonjin Kim , Kyomin Hwang , Hyunho Lee , Nojun Kwak

We study the challenging task of neural network quantization without end-to-end retraining, called Post-training Quantization (PTQ). PTQ usually requires a small subset of training data but produces less powerful quantized models than…

Machine Learning · Computer Science 2021-07-27 Yuhang Li , Ruihao Gong , Xu Tan , Yang Yang , Peng Hu , Qi Zhang , Fengwei Yu , Wei Wang , Shi Gu

When transformer-based language models are deployed for text generation, most of the inference time is spent in the decoding stage, where output tokens are generated sequentially. Reducing the hardware cost of each decoding step is…

Machine Learning · Computer Science 2026-05-22 Sayed Mohammadreza Tayaranian Hosseini , Amir Ardakani , Warren J. Gross

Deep neural networks (DNNs) can be made hardware-efficient by reducing the numerical precision of the weights and activations of the network and by improving the network's resilience to noise. However, this gain in efficiency often comes at…