Jacob Wren

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  • 合計アクティビティ 36
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投稿

Jacob Wrenによる最近のアクティビティ 最近のアクティビティ 投票
  • Suppress all console output from Gurobi

    回答済み

    Hi, I am using Pyomo in a floating license environment. I set the OutputFlag parameter to 0 before the Gurobi environment is started via: import pyomo.environ as pyoopt = pyo.SolverFactory("gurobi_...

  • QCQP tuner difficulties

    回答済み

    Hello, Gurobi is unable to solve my convex quadratically-constrained quadratic program (QCQP) for certain values of a tuning parameter. This is my explanation.  Call the tuning parameter epsilon. W...

  • Different solutions when changing the Threads parameter

    回答済み

    Hello, I am solving a linear program using Gurobi 9.5.2. I am solving in parallel. Additionally, I set the Method parameter to 4. My solutions differ when I increase the Threads parameter from 1 to...

  • Gurobi token server - release tokens

    回答済み

    Hi, I am using the third-party modeling framework, Pyomo, as well as MPI (mpi4py) to run several instances of Gurobi in parallel. I am following the advice given here, but disposeDefaultEnv prints ...

  • Free an environment without deleting the model

    回答済み

    Hi, I am using the third-party modeling framework, Pyomo. I am running many small optimizations in succession and then hitting the limit of 4096 tokens. The advice given here, unfortunately, requir...

  • Pyomo + MPI => 1 environment per process

    回答済み

    Hello, I am using the third-party modeling framework, Pyomo, as well as MPI (mpi4py) to run several instances of Gurobi in parallel. How can I have each process create its own environment? Many tha...