Preprint
Sep 2026
Flux: Optimal Scheduling of Optical Circuit Switches for LLM Training
Optical Circuit Switching (OCS) offers high bandwidth density and energy efficiency for LLM training, but incurs a non-negligible reconfiguration delay. Prior work typically schedules optical circuit switches independently of compute, using aggregate traffic demand to determine which circuits to provision and when. We...
Arno Troch, Seyyidahmed Lahmer, A. Nada et al.
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