Abdulkerim Benli

Gurobi-versary
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Activity overview

Latest activity by Abdulkerim Benli
  • Abdulkerim Benli created a post,

    Barrier algorithm and Unboundedness detection

    Hello, I am implementing Benders Decomposition via callbacks. Subproblem can only be solved by Barrier algorithm (simplex and dual simplex are incompetent). When there is a solution for the subprob...

  • Abdulkerim Benli commented,

    Thank you for the response. Now, it makes sense especially with the expensive heuristics part. I will also try to scale down the terms in the objective.

  • Abdulkerim Benli commented,

    Thank you for quick response. NoRelHeurTime is working fantastic and it saved me. But, I just wanted to see how the BB will handle only with default Heuristics (0.05) and was curious about why node...

  • Abdulkerim Benli created a post,

    Exploring nodes is getting slower

    Answered

    Hello, As solving a large MIP instance, exploring the BB tree is getting slower in a certain depth. There is a screenshot below that clearly shows after some point even exploring a new node takes p...