Enhanced Bin Packing propagator#224
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This was referenced Jul 11, 2026
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This PR implements an optional stronger pruning technique for the BinPacking constraint. It leverages tighter lower bounds based on Dual-Feasible Functions. This approach was presented at CP 2024 in the paper CP for Bin Packing with Multi-Core and GPUs.
This PS is a continuation of #202, rebased onto current
main, with the local BinPacking integration and overflow-safety follow-ups included.