Li, Ye, Liu, Xie, Han et al. · Research Paper
Sol-Attn
Training-free sparse attention for video diffusion transformers that unifies dynamic routing and sparse computation through on-the-fly block thresholding with proxy-score reuse, so the full proxy score map never has to be materialised. Delivers 2.1x end-to-end speedup on video generation and 2.3x on editing while holding visual quality. Submitted 27 July.
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