Author

Jiuxiang Gu

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#artificial intelligence Preprint Sep 2026

DraftAttention2: Fast Video Diffusion with Low-Resolution-Guided Mixed-Precision Attention

Video generation has broad applications in content creation and entertainment. Diffusion transformers have advanced the quality of generated videos, but attention over spatiotemporal tokens becomes increasingly expensive as video resolution and duration increase. We present DraftAttention2, a training-free framework th...

Rui Ding, Haopeng Li, Wei-Ze Ma et al. · 0 citations

Jul 2026

Chimera: Designing and Chinchilla-Scaling Hybrid Visual Diffusion Transformers

Chimera, a hybrid visual diffusion backbone with a principled scaling recipe that combines Kimi Delta Attention for long-context state tracking with O(N) complexity, interleaved Multi-head Latent Attention (MLA) for direct global interaction, and modality-aware short convolutions for local spatiotemporal context is int...

Chongjian Ge, Hanwen Jiang, Tianyu Wang et al. · arXiv.org · 2 citations