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Inference for state-of-the-art deep neural networks is computationally expensive, making them difficult to deploy on constrained hardware environments. An efficient way to reduce this complexity is to quantize the weight parameters and/or…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Julian Faraone , Nicholas Fraser , Michaela Blott , Philip H. W. Leong

Vision transformer emerges as a potential architecture for vision tasks. However, the intense computation and non-negligible delay hinder its application in the real world. As a widespread model compression technique, existing post-training…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yifu Ding , Haotong Qin , Qinghua Yan , Zhenhua Chai , Junjie Liu , Xiaolin Wei , Xianglong Liu

We introduce a quantization-aware training algorithm that guarantees avoiding numerical overflow when reducing the precision of accumulators during inference. We leverage weight normalization as a means of constraining parameters during…

机器学习 · 计算机科学 2023-02-01 Ian Colbert , Alessandro Pappalardo , Jakoba Petri-Koenig

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference. Emergent DNN hardware accelerators begin to support mixed precision (1-8 bits) to further improve the computation efficiency,…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han

Deep Neural Networks reached state-of-the-art performance across numerous domains, but this progress has come at the cost of increasingly large and over-parameterized models, posing serious challenges for deployment on resource-constrained…

机器学习 · 计算机科学 2026-02-04 Dario Malchiodi , Mattia Ferraretto , Marco Frasca

The transformer architecture has catalyzed revolutionary advances in language modeling. However, recent architectural recipes, such as state-space models, have bridged the performance gap. Motivated by this, we examine the benefits of…

机器学习 · 计算机科学 2024-07-09 Mingchen Li , Xuechen Zhang , Yixiao Huang , Samet Oymak

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

Transformers have driven remarkable breakthroughs in natural language processing and computer vision, yet their standard attention mechanism still imposes O(N^2) complexity, hindering scalability to longer sequences. We introduce…

机器学习 · 计算机科学 2026-01-06 Yoshihiro Yamada

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

Quantum Error Correction (QEC) decoding faces a fundamental accuracy-efficiency tradeoff. Classical methods like Minimum Weight Perfect Matching (MWPM) exhibit variable performance across noise models and suffer from polynomial complexity,…

量子物理 · 物理学 2026-04-16 David Zenati , Eliya Nachmani

Neural image compression has been shown to outperform traditional image codecs in terms of rate-distortion performance. However, quantization introduces errors in the compression process, which can degrade the quality of the compressed…

机器学习 · 计算机科学 2024-03-27 Wei Luo , Bo Chen

Neural network training is a memory- and compute-intensive task. Quantization, which enables low-bitwidth formats in training, can significantly mitigate the workload. To reduce quantization error, recent methods have developed new data…

机器学习 · 计算机科学 2024-11-19 Wenjin Guo , Donglai Liu , Weiying Xie , Yunsong Li , Xuefei Ning , Zihan Meng , Shulin Zeng , Jie Lei , Zhenman Fang , Yu Wang

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…

机器学习 · 计算机科学 2026-05-12 Chayne Thrash , Ali Abbasi , Soheil Kolouri

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

Quantized Neural Networks (QNNs) use low bit-width fixed-point numbers for representing weight parameters and activations, and are often used in real-world applications due to their saving of computation resources and reproducibility of…

机器学习 · 计算机科学 2020-09-01 Dachao Lin , Peiqin Sun , Guangzeng Xie , Shuchang Zhou , Zhihua Zhang

Quantization of neural networks has become common practice, driven by the need for efficient implementations of deep neural networks on embedded devices. In this paper, we exploit an oft-overlooked degree of freedom in most networks - for a…

机器学习 · 计算机科学 2019-02-07 Eldad Meller , Alexander Finkelstein , Uri Almog , Mark Grobman

Quantization is one of the most effective methods to compress neural networks, which has achieved great success on convolutional neural networks (CNNs). Recently, vision transformers have demonstrated great potential in computer vision.…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Zhihang Yuan , Chenhao Xue , Yiqi Chen , Qiang Wu , Guangyu Sun

Knowledge distillation (KD) has been a ubiquitous method for model compression to strengthen the capability of a lightweight model with the transferred knowledge from the teacher. In particular, KD has been employed in quantization-aware…

计算与语言 · 计算机科学 2022-11-22 Minsoo Kim , Sihwa Lee , Sukjin Hong , Du-Seong Chang , Jungwook Choi

Large language models (LLMs) deliver strong performance, but their high compute and memory costs make deployment difficult in resource-constrained scenarios. Weight-only post-training quantization (PTQ) is appealing, as it reduces memory…

机器学习 · 计算机科学 2026-02-09 Xianglong Yan , ChengZhu Bao , Zhiteng Li , Tianao Zhang , Shaoqiu Zhang , Ruobing Xie , Samm Sun , Yulun Zhang

Although existing Quantization-Aware Training (QAT) methods intensively depend on knowledge distillation to guarantee performance, QAT still suffers from severe performance drop. The experiments have shown that vanilla quantization is…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Junbiao Pang , Tianyang Cai , Baochang Zhang , Jiaqi Wu