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Desai Xie
106 posts
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Desai Xie

@desaixie1999
world model research @Roblox
San Jose, CA
desaixie.github.io
Joined August 2017
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  • Pinned
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    Desai Xie
    @desaixie1999
    Oct 11, 2024
    [1/n] Introducing Progressive Autoregressive Video Diffusion Models, capable of generating high-quality videos at 60 seconds, 24 FPS (1440 frames)!
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    00:00
  • user avatar
    Desai Xie
    @desaixie1999
    Jun 23
    I reached Immortal (top 3%) in Dota2 while playing <7 hours/games per week, during an active Research Scientist job hunt 😂
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    gabriel
    Energy
    @gabriel1
    Jun 20
    becoming top 5% league of legends player requires much more skill and intelligence than 95% of engineering jobs video games are super constrained immediate feedback loops, removing all need for passion the world is passion constrained, not intelligence constrained
  • user avatar
    Desai Xie
    @desaixie1999
    Jun 5
    A few weeks into Roblox, and now the team I joined for arrives. Welcome Xun & the Morpheus team. My AR video generation work brought me here, and having Xun on my dissertation committee makes this full circle. Excited to bring real-time interactive world simulation to millions.
    user avatar
    Xun Huang
    @xxunhuang
    Jun 2
    I'm excited to announce that the Morpheus AI team is joining Roblox! Over the past two years, I’ve focused on developing the foundational architectures behind modern video world models, including Self Forcing and AR-DiT. This work unlocked something unprecedented: the ability to
  • user avatar
    Desai Xie
    @desaixie1999
    Jun 12, 2025
    Poster today 3pm room 207 A-D. Feel free to stop by.
    user avatar
    Desai Xie
    @desaixie1999
    Oct 11, 2024
    [1/n] Introducing Progressive Autoregressive Video Diffusion Models, capable of generating high-quality videos at 60 seconds, 24 FPS (1440 frames)!
    Image
    00:00
  • user avatar
    Desai Xie
    @desaixie1999
    Apr 21, 2025
    Glad to see Autoretressive VDM with monotonically increasing noise level is trained from scratch at scale. Amazing demo results and the model is open!
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