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[ARTICLE · art-146637] src=marktechpost.com ↗ pub= topic=ai-infrastructure verified=true sentiment=↑ positive

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.

by read1 min views1 publishedOct 7, 2026

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 appeared first on MarkTechPost.

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