Haocheng Xi(@HaochengXiUCB):New blog post: The Forgetting Wall in Video and World Models Long-horizon video generation is not just limited by compute. It is limited by how much of its own past the model can afford to remember. I wrote about why long videos drift, why KV cache becomes the memory bottleneck, and why compression is a key direction for future video/world models.

Haocheng Xi

@HaochengXiUCB

Second-year PhD in @berkeley_ai. Prev: Yao Class, @Tsinghua_Uni | Efficient Machine Learning & ML sys

Joined August 2024

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Haocheng Xi@HaochengXiUCB

2026.06.10 00:30

New blog post: The Forgetting Wall in Video and World Models Long-horizon video generation is not just limited by compute. It is limited by how much of its own past the model can afford to remember. I wrote about why long videos drift, why KV cache becomes the memory bottleneck, and why compression is a key direction for future video/world models.