Meta AI Open-Sources Rebalancer: A C++ Assignment Solver That Runs About 40 Million Placement Problems a Day Meta has open-sourced Rebalancer, a C++ and Python library it has used for over 9 years to place shards, servers and traffic, handling about 40 million assignment problems a day. The library uses local search or MIP solvers including Gurobi, FICO Xpress and HiGHS, and is pip-installable under the Apache 2.0 license. Meta has open-sourced Rebalancer, the C++ and Python library it has used for over 9 years to place shards, servers and traffic. It handles about 40 million assignment problems a day, using local search or MIP solvers like Gurobi, FICO Xpress and HiGHS. It is pip-installable under Apache 2.0. The post Meta AI Open-Sources Rebalancer: A C++ Assignment Solver That Runs About 40 Million Placement Problems a Day https://www.marktechpost.com/2026/10/06/meta-ai-open-sources-rebalancer-a-c-assignment-solver-that-runs-about-40-million-placement-problems-a-day/ appeared first on MarkTechPost https://www.marktechpost.com .