SparSTAR dynamically picks which key blocks each attention head reads at expensive video scales, yielding about a 1.6x end-to-end speedup while VBench scores stay within 0.1 points of dense InfinityStar.
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SparSTAR: Sparse Attention for SpaceTime AutoRegressive Video Synthesis
SparSTAR dynamically picks which key blocks each attention head reads at expensive video scales, yielding about a 1.6x end-to-end speedup while VBench scores stay within 0.1 points of dense InfinityStar.