Sparse VideoGen2: Accelerate Video Generation with Sparse Attention via Semantic-Aware Permutation · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/2505.18875/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTSparse VideoGen2: Accelerate Video Generation with Sparse Attention via Semantic-Aware Permutation — mentioned by frakt0x90https://news.ycombinator.com/item?id=47454689urn:hackerpapers:mention:2505.18875:47454689Fri, 20 Mar 2026 14:04:28 GMT<p>They created this in service of their video generation model which &quot;clusters and reorders tokens based on semantic similarity using k-means.&quot;: http://arxiv.org/pdf/2505.18875</p><p><a href="https://hackerpaper.kaipfister.de/p/2505.18875/">Paper and discussion history</a>. A mention is not an endorsement.</p>cs.CV