Universally Slimmable Networks and Improved Training Techniques
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Abstract (arXiv)
Slimmable networks are a family of neural networks that can instantly adjust the runtime width. The width can be chosen from a predefined widths set to adaptively optimize accuracy-efficiency trade-offs at runtime. In this work, we propose a systematic approach to train universally slimmable networks (US-Nets), extending slimmable networks to execute at arbitrary width, and generalizing to networks both with and without batch normalization layers. We further propose two improved training techniques for US-Nets, named the sandwich rule and inplace distillation, to enhance training process and boost testing accuracy. We show improved performance of universally slimmable MobileNet v1 and MobileNet v2 on ImageNet classification task, compared with individually trained ones and 4-switch slimmable network baselines. We also evaluate the proposed US-Nets and improved training techniques on tasks of image super-resolution and deep reinforcement learning. Extensive ablation experiments on these representative tasks demonstrate the effectiveness of our proposed methods. Our discovery opens up the possibility to directly evaluate FLOPs-Accuracy spectrum of network architectures. Code and models are available at: https://github.com/JiahuiYu/slimmable_networks
Key facts. Cited by 221 papers in the map (data through 14 Oct 2026). First posted on arXiv 12 Mar 2019.
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Citing papers per year: 2021: 58; 2022: 42; 2023: 47; 2024: 28; 2025: 21; 2026: 25.
221 papers.
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50 most cited of 221 All 221 (JSON)
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50 newest of 221 All 221 (JSON)
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