Author

Sen-Khoo Han

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Preprint Sep 2026

WaveAlign: Cache-Aware Query-Row Scheduling for Sparse Attention in Long-Video Generation

Long-video generation with diffusion transformers (DiTs) produces extremely long token sequences, making attention a dominant inference bottleneck. Dynamic sparse attention reduces computation, but its realized speedup remains limited because irregular query-row execution degrades L2 cache locality and increases HBM tr...

Zi-Jian Dai, Sen-Khoo Han, You-Hui Bai et al. · 0 citations