Unified Visual Transformer Compression
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Abstract (arXiv)
Vision transformers (ViTs) have gained popularity recently. Even without customized image operators such as convolutions, ViTs can yield competitive performance when properly trained on massive data. However, the computational overhead of ViTs remains prohibitive, due to stacking multi-head self-attention modules and else. Compared to the vast literature and prevailing success in compressing convolutional neural networks, the study of Vision Transformer compression has also just emerged, and existing works focused on one or two aspects of compression. This paper proposes a unified ViT compression framework that seamlessly assembles three effective techniques: pruning, layer skipping, and knowledge distillation. We formulate a budget-constrained, end-to-end optimization framework, targeting jointly learning model weights, layer-wise pruning ratios/masks, and skip configurations, under a distillation loss. The optimization problem is then solved using the primal-dual algorithm. Experiments are conducted with several ViT variants, e.g. DeiT and T2T-ViT backbones on the ImageNet dataset, and our approach consistently outperforms recent competitors. For example, DeiT-Tiny can be trimmed down to 50% of the original FLOPs almost without losing accuracy. Codes are available online:~urlhttps://github.com/VITA-Group/UVC.
Key facts. Cited by 79 papers in the map (data through 7 Oct 2026). Builds on 64 of its 81 references that are in the map. First posted on arXiv 15 Mar 2022.
Builds on
64 of 81 references.
References · 64
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50 most cited of 64 All 64 (JSON)
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Citing papers per year: 2022: 10; 2023: 19; 2024: 32; 2025: 13; 2026: 5.
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- 2024Accelerating ViT Inference on FPGA through Static and Dynamic Pruning21 Mar 2024
- 2023CAIT: Triple-Win Compression towards High Accuracy, Fast Inference, and Favorable Transferability For ViTs27 Sep 2023
- 2022HeatViT: Hardware-Efficient Adaptive Token Pruning for Vision Transformers15 Nov 2022
- 2022Adaptive Sparse ViT: Towards Learnable Adaptive Token Pruning by Fully Exploiting Self-Attention28 Sep 2022
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- 2025Parameter Reduction Improves Vision Transformers: A Comparative Study of Sharing and Width Reduction30 Nov 2025
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- 2025Compact Vision Transformer by Reduction of Kernel Complexity17 Jul 2025
- 2025IPPRO: Importance-based Pruning with PRojective Offset for Magnitude-indifferent Structural Pruning10 Jul 2025
- 2025Pruning by Block Benefit: Exploring the Properties of Vision Transformer Blocks during Domain Adaptation30 Jun 2025
- 2025Diversity-Guided MLP Reduction for Efficient Large Vision Transformers10 Jun 2025
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