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Meta open-sourced Rebalancer, the solver it uses for ~40M assignment problems a day (C++/Python, Apache 2.0)

Meta just open-sourced Rebalancer, the assignment solver that has run resource allocation across Meta for 9+ years. It solves ~40M assignment problems per day across 30+ problem formulations, from shard placement to global traffic routing. How it works You write a spec using objects, bins, dimensio…

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  1. 2026-10-07 06:38 · r/machinelearningnews
    Meta open-sourced Rebalancer, the solver it uses for ~40M assignment problems a day (C++/Python, Apache 2.0)

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