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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 2020-08-14 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han

In this paper, we propose a novel optimizer state compression algorithm, namely $\pi$-Quant, which leverages the properties of irrational numbers (e.g., $\pi$) for memory-efficient training. The core idea is based on our mathematical…

机器学习 · 计算机科学 2025-01-23 Zhen Tian , Wayne Xin Zhao , Ji-Rong Wen

Model quantization is widely applied for compressing and accelerating deep neural networks (DNNs). However, conventional Quantization-Aware Training (QAT) focuses on training DNNs with uniform bit-width. The bit-width settings vary across…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Haiduo Huang , Zhenhua Liu , Tian Xia , Wenzhe zhao , Pengju Ren

Efficient compression of language model weights is increasingly critical as model scale and deployment grow. Yet, most existing methods rely on handcrafted transforms and heuristics, reflecting the limited understanding of weights as a data…

机器学习 · 计算机科学 2026-05-28 Jegwang Ryu , Minkyu Kim , Seungjun Shin , Hee Min Choi , Dokwan Oh , Jaeho Lee

Post-training quantization (PTQ) reduces a model's memory footprint by mapping full precision weights into low bit weights without costly retraining, but can degrade its downstream performance especially in low 2- to 3-bit settings. We…

机器学习 · 计算机科学 2025-07-18 Hanqi Xiao , Yi-Lin Sung , Elias Stengel-Eskin , Mohit Bansal

Recurrent neural networks have achieved excellent performance in many applications. However, on portable devices with limited resources, the models are often too large to deploy. For applications on the server with large scale concurrent…

机器学习 · 计算机科学 2018-02-02 Chen Xu , Jianqiang Yao , Zhouchen Lin , Wenwu Ou , Yuanbin Cao , Zhirong Wang , Hongbin Zha

We introduce a modality-agnostic neural compression algorithm based on a functional view of data and parameterised as an Implicit Neural Representation (INR). Bridging the gap between latent coding and sparsity, we obtain compact latent…

机器学习 · 统计学 2023-04-10 Jonathan Richard Schwarz , Jihoon Tack , Yee Whye Teh , Jaeho Lee , Jinwoo Shin

Learned image compression has exhibited promising compression performance, but variable bitrates over a wide range remain a challenge. State-of-the-art variable rate methods compromise the loss of model performance and require numerous…

图像与视频处理 · 电气工程与系统科学 2023-03-13 Kedeng Tong , Yaojun Wu , Yue Li , Kai Zhang , Li Zhang , Xin Jin

Diffusion Transformers (DiTs) have achieved impressive performance in text-to-image and text-to-video generation. However, their high computational cost and large parameter sizes pose significant challenges for usage in resource-constrained…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Lianwei Yang , Haokun Lin , Tianchen Zhao , Yichen Wu , Hongyu Zhu , Ruiqi Xie , Zhenan Sun , Yu Wang , Qingyi Gu

Quantization has been proven to be an effective method for reducing the computing and/or storage cost of DNNs. However, the trade-off between the quantization bitwidth and final accuracy is complex and non-convex, which makes it difficult…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Cheng Gong , Yao Chen , Ye Lu , Tao Li , Cong Hao , Deming Chen

Thanks to their state-of-the-art performance, deep neural networks are increasingly used for object recognition. To achieve these results, they use millions of parameters to be trained. However, when targeting embedded applications the size…

机器学习 · 计算机科学 2016-03-21 Guillaume Soulié , Vincent Gripon , Maëlys Robert

Post-training quantization (PTQ) enables effective model compression while preserving relatively high accuracy. Current weight-only PTQ methods primarily focus on the challenging sub-3-bit regime, where approaches often suffer significant…

机器学习 · 计算机科学 2026-01-28 Hongyaoxing Gu , Lijuan Hu , Liye Yu , Haowei Li , Fangfang Liu

Model compression, such as pruning and quantization, has been widely applied to optimize neural networks on resource-limited classical devices. Recently, there are growing interest in variational quantum circuits (VQC), that is, a type of…

量子物理 · 物理学 2022-07-06 Zhirui Hu , Peiyan Dong , Zhepeng Wang , Youzuo Lin , Yanzhi Wang , Weiwen Jiang

Deploying transformer-based neural networks on resource-constrained edge devices presents a significant challenge. This challenge is often addressed through various techniques, such as low-rank approximation and mixed-precision…

机器学习 · 计算机科学 2025-07-15 Ofir Gordon , Ariel Lapid , Elad Cohen , Yarden Yagil , Arnon Netzer , Hai Victor Habi

Vector quantization is a fundamental operation for data compression and vector search. To obtain high accuracy, multi-codebook methods represent each vector using codewords across several codebooks. Residual quantization (RQ) is one such…

机器学习 · 计算机科学 2024-05-22 Iris A. M. Huijben , Matthijs Douze , Matthew Muckley , Ruud J. G. van Sloun , Jakob Verbeek

The ever-growing size of neural networks poses serious challenges on resource-constrained devices, such as embedded sensors. Compression algorithms that reduce their size can mitigate these problems, provided that model performance stays…

机器学习 · 计算机科学 2025-05-27 Alexander Conzelmann , Robert Bamler

Besides accuracy, the model size of convolutional neural networks (CNN) models is another important factor considering limited hardware resources in practical applications. For example, employing deep neural networks on mobile systems…

机器学习 · 计算机科学 2021-07-05 Huixin Zhan , Wei-Ming Lin , Yongcan Cao

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

A learning-based framework for representation of domain-specific images is proposed where joint compression and denoising can be done using a VQ-based multi-layer network. While it learns to compress the images from a training set, the…

计算机视觉与模式识别 · 计算机科学 2017-07-10 Sohrab Ferdowsi , Slava Voloshynovskiy , Dimche Kostadinov

By optimizing the rate-distortion-realism trade-off, generative compression approaches produce detailed, realistic images, even at low bit rates, instead of the blurry reconstructions produced by rate-distortion optimized models. However,…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Eirikur Agustsson , David Minnen , George Toderici , Fabian Mentzer