Is TimeLimit counting the cpu time or system time ?

Answered

Miranda

• May 25, 2021 16:57

Hello,

Gurobi can set the time limit by setting the parameter TimeLimit, but I am wondering is the Timelimit parameter set for total CPU time or system time (the time used to solving the model exclude the time formulating the problem)? 

Thanks.

 

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• 

  Jaromił Najman

  Gurobi Staff

  • May 26, 2021 07:57

  Hi Miranda,

  The TimeLimit parameter sets the maximum wall clock time (system time). The time used for model construction / reading of the model is excluded.

  Best regards,
  Jaromił

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  Ozlem Akbudak

  • August 15, 2021 05:56

  

  

  

  Hi Jaromil,

  Is there a way to set a time limit by using CPU time?

  Thanks in advance,

  Ozlem

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  Jaromił Najman

  Gurobi Staff

  • August 16, 2021 11:03

  Hi Ozlem,

  There is currently no way to set the time limit via CPU time. You could check for the CPU time in one of the callbacks and terminate the optimization once a certain limit is reached. You would have to get the CPU time information from standard libraries.

  Best regards,
  Jaromił

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