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arXiv — cs.AI

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FlashSinkhorn 2: Block-Sparse Entropic Optimal Transport

Streaming GPU solvers for entropic optimal transport (EOT), such as FlashSinkhorn, avoid storing the dense kernel but still evaluate all $n\times m$ point pairs in every Sinkhorn iteration. We present \textbf{FlashSinkhorn~2} (FS2), a solver for squared-Euclidean cost on…

arXiv — cs.AIBy: Felix X. -F. Ye, Yu Chin Fabian Lim, Naigang Wang, Davis WertheimerOctober 5, 2026 (Oct 5)
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  • Streaming GPU solvers for entropic optimal transport (EOT), such as FlashSinkhorn, avoid storing the dense kernel but still evaluate all $n\times m$ point pairs in every Sinkhorn iteration
  • We present \textbf{FlashSinkhorn~2} (FS2), a solver for squared-Euclidean cost on…
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FlashSinkhorn 2: Block-Sparse Entropic Optimal Transport

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