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Yitong Li

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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
#artificial intelligence Preprint Sep 2026

Sol-H3: Recursive Self-Improvement for MiniMax-H3 Inference Acceleration on Sol-Engine across Cloud and Edge

Video diffusion models are rapidly scaling and exhibiting enhanced generation capabilities. Among these recent advancements, MiniMax-H3 stands out as a highly capable, production-level open-source model. However, its 33-billion parameters and multi-step iterative denoising process introduce substantial computational ov...

Yi-Tong Li, Jin-Cheng Yu, Jun-Song Chen et al. · 0 citations
Preprint Aug 2026

JoyAI-Video-Edit: Real-Time Open-Ended Video Editing with Autoregressive Diffusion

The method combines chunk-wise autoregressive adaptation, Source-Anchored Distribution Matching Distillation, and Long-Horizon Autoregressive Distillation to reduce train--inference mismatch, preserve source fidelity during two-step generation, and mitigate accumulated temporal drift.

Yi-Cheng Xiao, Wenxun Dai, Xinran Qin et al. · 5 citations
Jul 2026

Sol-Attn: Accelerating Video Generation Inference via On-the-Fly Attention Sparsification

This paper introduces training-free Sol-Attn (Sparsifying online attention), which unifies dynamic routing, sparse computation, and approximation correction in a single online-softmax pass, achieving a better accuracy-efficiency trade-off in sparse attention.

Haopeng Li, Yitong Li, Junsong Chen et al. · 2 citations
Jul 2026

SANA-Video 2.0: Hybrid Linear Attention with Attention Residuals for Efficient Video Generation

This work introduces SANA-Video 2.0, a hybrid video diffusion transformer instantiated at 5B and 14B scales under a unified architecture that recovers softmax-level expressiveness at substantially reduced cost, unlocking scalable long, high resolution video generation.

Junsong Chen, Jincheng Yu, Yitong Li et al. · 1 citation · ⚡1

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