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Diffusion Transformers (DiTs) have achieved state-of-the-art performance in generative modeling, yet their high computational cost hinders real-time deployment. While feature caching offers a promising training-free acceleration solution by…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Fanpu Cao , Yaofo Chen , Zeng You , Wei Luo

Diffusion models have emerged as a powerful paradigm for generative tasks such as image synthesis and video generation, with Transformer architectures further enhancing performance. However, the high computational cost of diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Huanpeng Chu , Wei Wu , Guanyu Fen , Yutao Zhang

This paper presents a method to accelerate the inference process of diffusion transformer (DiT)-based text-to-speech (TTS) models by applying a selective caching mechanism to transformer layers. Specifically, I integrate SmoothCache into…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-11 Siratish Sakpiboonchit

Text-to-video diffusion models deliver impressive results but remain slow because of the sequential denoising of 3D latents. Existing approaches to speed up inference either require expensive model retraining or use heuristic-based step…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Joel Mathew Cherian , Ashutosh Muralidhara Bharadwaj , Vima Gupta , Anand Padmanabha Iyer

Diffusion models have achieved remarkable success in content generation but often incur prohibitive computational costs due to iterative sampling. Recent feature caching methods accelerate inference via temporal extrapolation, yet can…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Liang Feng , Shikang Zheng , Jiacheng Liu , Yuqi Lin , Qinming Zhou , Peiliang Cai , Xinyu Wang , Junjie Chen , Chang Zou , Yue Ma , Linfeng Zhang

Diffusion Transformers have recently demonstrated unprecedented generative capabilities for various tasks. The encouraging results, however, come with the cost of slow inference, since each denoising step requires inference on a transformer…

Machine Learning · Computer Science 2024-11-19 Xinyin Ma , Gongfan Fang , Michael Bi Mi , Xinchao Wang

Diffusion models have demonstrated remarkable success in generative tasks, yet their iterative denoising process results in slow inference, limiting their practicality. While existing acceleration methods exploit the well-known U-shaped…

Machine Learning · Statistics 2025-04-16 Zichao Yu , Zhen Zou , Guojiang Shao , Chengwei Zhang , Shengze Xu , Jie Huang , Feng Zhao , Xiaodong Cun , Wenyi Zhang

Diffusion Transformers require repeated denoiser evaluations during iterative sampling, making inference computationally expensive. Cache-based acceleration reduces this cost by reusing intermediate representations across denoising steps,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Mingyu Liang , Dingkun Xu , Jingwei Xu

Diffusion models have emerged as a promising approach for generating high-quality, high-dimensional images. Nevertheless, these models are hindered by their high computational cost and slow inference, partly due to the quadratic…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Omid Saghatchian , Atiyeh Gh. Moghadam , Ahmad Nickabadi

Training diffusion models is always a computation-intensive task. In this paper, we introduce a novel speed-up method for diffusion model training, called, which is based on a closer look at time steps. Our key findings are: i) Time steps…

Machine Learning · Computer Science 2025-03-26 Kai Wang , Mingjia Shi , Yukun Zhou , Zekai Li , Zhihang Yuan , Yuzhang Shang , Xiaojiang Peng , Hanwang Zhang , Yang You

Diffusion Transformers (DiTs) have demonstrated exceptional performance in high-fidelity image and video generation. To reduce their substantial computational costs, feature caching techniques have been proposed to accelerate inference by…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Shikang Zheng , Liang Feng , Xinyu Wang , Qinming Zhou , Peiliang Cai , Chang Zou , Jiacheng Liu , Yuqi Lin , Junjie Chen , Yue Ma , Linfeng Zhang

Diffusion models have shown remarkable performance in generation problems over various domains including images, videos, text, and audio. A practical bottleneck of diffusion models is their sampling speed, due to the repeated evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Taehong Moon , Moonseok Choi , EungGu Yun , Jongmin Yoon , Gayoung Lee , Jaewoong Cho , Juho Lee

Diffusion transformers have gained significant attention in recent years for their ability to generate high-quality images and videos, yet still suffer from a huge computational cost due to their iterative denoising process. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Zhixin Zheng , Xinyu Wang , Chang Zou , Shaobo Wang , Linfeng Zhang

Recent advances in diffusion models have demonstrated remarkable capabilities in video generation. However, the computational intensity remains a significant challenge for practical applications. While feature caching has been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Xuran Ma , Yexin Liu , Yaofu Liu , Xianfeng Wu , Mingzhe Zheng , Zihao Wang , Ser-Nam Lim , Harry Yang

Autoregressive models, often built on Transformer architectures, represent a powerful paradigm for generating ultra-long videos by synthesizing content in sequential chunks. However, this sequential generation process is notoriously slow.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Yuexiao Ma , Xuzhe Zheng , Jing Xu , Xiwei Xu , Feng Ling , Xiawu Zheng , Huafeng Kuang , Huixia Li , Xing Wang , Xuefeng Xiao , Fei Chao , Rongrong Ji

Diffusion models have revolutionized high-fidelity image and video synthesis, yet their computational demands remain prohibitive for real-time applications. These models face two fundamental challenges: strict temporal dependencies…

Machine Learning · Computer Science 2025-09-16 Jiacheng Liu , Chang Zou , Yuanhuiyi Lyu , Fei Ren , Shaobo Wang , Kaixin Li , Linfeng Zhang

Feature caching has recently emerged as a promising method for diffusion model acceleration. It effectively alleviates the inefficiency problem caused by high computational requirements by caching similar features in the inference process…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Jiayi Pan , Jiaming Xu , Yongkang Zhou , Guohao Dai

Diffusion language models offer parallel token generation and inherent bidirectionality, promising more efficient and powerful sequence modeling compared to autoregressive approaches. However, state-of-the-art diffusion models (e.g., Dream…

Computation and Language · Computer Science 2025-10-10 Zhanqiu Hu , Jian Meng , Yash Akhauri , Mohamed S. Abdelfattah , Jae-sun Seo , Zhiru Zhang , Udit Gupta

As a highly expressive generative model, diffusion models have demonstrated exceptional success across various domains, including image generation, natural language processing, and combinatorial optimization. However, as data distributions…

Machine Learning · Computer Science 2025-10-27 Myunsoo Kim , Donghyeon Ki , Seong-Woong Shim , Byung-Jun Lee

Diffusion models have demonstrated remarkable capabilities in visual content generation but remain challenging to deploy due to their high computational cost during inference. This computational burden primarily arises from the quadratic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Ye Tian , Xin Xia , Yuxi Ren , Shanchuan Lin , Xing Wang , Xuefeng Xiao , Yunhai Tong , Ling Yang , Bin Cui