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Tailing effect

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  • Riley Clement
    • Gurobi Staff

    Hi Abdelhakim,

    I think this is not uncommon for pure binary models. It may be that 95478.9891 is the optimal objective value but Gurobi is not able to improve the bound.  I would try various combinations of MIPFocus and Presolve to see what effect they have.  Since the branch and bound tree is large you might also want to try with VarBranch and BranchDir.  We also recommend upgrading to the latest version.

    If you want to dive deeper then the following video may help: Introduction to Performance Tuning.

    - Riley

     

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