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Peiyuan Zhang

Works at ByteDance (title not stated), ByteDance

  • Works at ByteDance (title not stated), ByteDance45

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

At a glance

Current role
Works at ByteDance (title not stated)
Company
ByteDance
Sector
Company
Education
UC San Diego
Work listed
1
Sources cited
5
Profile reviewed

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

Zhang was a PhD student in the Hao AI Lab at UC San Diego and left the program with a master's degree. The lab's people page and Hao Zhang's site list Zhang among alumni now at ByteDance.45

Work and contributions

  • FastVideo Open-source code

    First author of the Sliding Tile Attention and VSA papers, the two research works the FastVideo README lists for citation; the README notes released inference code for Sliding Tile Attention and fine-tuning and inference code for VSA.312

Timeline

  1. Posted "Fast Video Generation with Sliding Tile Attention" as first author.1
  2. Posted "VSA, Faster Video Diffusion with Trainable Sparse Attention" as first author.2
  3. FastVideo released fine-tuning and inference code for VSA.3
  4. Listed by the Hao AI Lab as an alumnus now at ByteDance.5

Other documented roles

Roles the sources document that are not confirmed as current.

Where they work

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References

5 sources · profile reviewed Oct 22, 2026 · data updated Oct 22, 2026

  1. Fast Video Generation with Sliding Tile Attention (arXiv 2502.04507)arXiv · Paper · published Feb 6, 2025 · accessed Oct 22, 2026
  2. VSA: Faster Video Diffusion with Trainable Sparse Attention (arXiv 2505.13389)arXiv · Paper · published May 19, 2025 · accessed Oct 22, 2026
  3. hao-ai-lab/FastVideo README (news and citation)Hao AI Lab (GitHub repository) · Repository · accessed Oct 22, 2026
  4. Hao AI Lab — People (alumni)Hao AI Lab, UC San Diego · Official page · accessed Oct 22, 2026
  5. Hao Zhang — homepage (students and past students)Hao Zhang · Official page · accessed Oct 22, 2026