number of threads in solution pool method

Awaiting user input

Akram Kh

• September 26, 2021 08:16

I am using the pool solution to find all feasible solutions of my milp model (setting the PoolSolutions parameter to its max). I also set the thread number to the number of threads on my laptop. Although all of the threads are involved at the beginning of the solution pool completion phase, after a while involved threads reduces to one!
Is it the gurobi limitation that cannot use multithreading during solution pool completion process?

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  Jaromił Najman

  Gurobi Staff

  • September 28, 2021 12:54

  Hi,

  I was not able to reproduce this issue. Could you share a minimal reproducible example (MRE)? If you need to provide a model file, please refer to Posting to the Community Forum.

  Best regards,
  Jaromił

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