How to maintain maxSubproblemTime ?

Answered

Sachin Shetty

• June 15, 2020 14:33

We see issues in optimizer run where the Optimizer is stuck on subproblem 72/348 and spends the entire remaining time on the one subproblem. Is there any way to provide the optimizer a lower number for maxSubproblemTime so that it can move on to other subproblems and solve them for a good overall solve ?

Appreciate any guidance on this issue.

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• 

  Matthias Miltenberger

  Gurobi Staff

  • June 19, 2020 14:04

  Hi Sachin,

  What exactly are your subproblems? Are you referring to multi-objective optimization? In that case please look here for defining custom parameters per multi-objective environment.

  You may also want to specify a MIPGap to terminate the optimization process earlier.

  Cheers,
  Matthias

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