Peiyuan Zhang
First author of the Sliding Tile Attention and VSA papers cited by FastVideo; Hao AI Lab alumnus
Peiyuan Zhang is the first author of two video-generation papers from UC San Diego's Hao AI Lab, Sliding Tile Attention and VSA (Video Sparse Attention), which the FastVideo README asks users to cite. Zhang was a PhD student in the lab who left with a master's degree, and the lab's alumni list shows Zhang now at ByteDance.1234
Research
With Hao Zhang and co-authors, Zhang posted "Fast Video Generation with Sliding Tile Attention" in February 2025 and "VSA: Faster Video Diffusion with Trainable Sparse Attention" in May 2025, both as first author. Both methods target the cost of attention in video diffusion models.12
The FastVideo README records the release of Sliding Tile Attention inference code in February 2025 and VSA fine-tuning and inference code in June 2025, and asks users of the framework to cite both papers.3
Career
Work
Career timeline
Feb 2025
Posted "Fast Video Generation with Sliding Tile Attention" as first author.1
May 2025
Posted "VSA, Faster Video Diffusion with Trainable Sparse Attention" as first author.2
Jun 14, 2025
FastVideo released fine-tuning and inference code for VSA.3
2026
Listed by the Hao AI Lab as an alumnus now at ByteDance.5
Other documented roles
Roles the sources document but that are not confirmed as current.
- PhD student in the Hao AI Lab (left with a master's degree), University of California San Diego45
Related people
More sourced profiles at the same organization, in the same field, or from the same school.
- Emanuel TodorovAlso at University of California San Diego
- Hao ZhangAlso at University of California San Diego
- Geoffrey HintonAlso from UC San Diego
- Patrick von PlatenImage, video, and 3D generation
- Liam FedusAlso from UC San Diego
- Pedro CuencaImage, video, and 3D generation
- Liliang RenAlso from UC San Diego
- 0xSeroInference and serving
- Michael I. JordanAlso from UC San Diego
- Aaron LefohnImage, video, and 3D generation
- Oriol VinyalsAlso from UC San Diego
- Aaron TeoInference and serving
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