A photonic rail design that reconfigures optical circuits between parallelism phases within a training job can emulate electrical rails with about 70% cost and 96% power savings and a few percent iteration-time overhead in trace simulation.
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Photonic Rails in ML Datacenters
A photonic rail design that reconfigures optical circuits between parallelism phases within a training job can emulate electrical rails with about 70% cost and 96% power savings and a few percent iteration-time overhead in trace simulation.