A greedy max-weight decomposition strategy for MoE all-to-all communication on photonic fabrics improves overlap efficiency and reduces compute overheads compared to BvN by bounding the number of matchings.
Dynamic Hierarchical Birkhoff-von Neu- mann Decomposition for All-to-All GPU Communication, 2026
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Birkhoff Decompositions and Photonic Interconnects Wait! Don't Forget the Compute!
A greedy max-weight decomposition strategy for MoE all-to-all communication on photonic fabrics improves overlap efficiency and reduces compute overheads compared to BvN by bounding the number of matchings.