What is "work" measuring?

Answered

Bill Caraway

• January 22, 2024 18:58

I know that the "work" property is a deterministic measure approximating wall-clock time, but what is it measuring?  Is it counting number of operations, counting number of evaluations of solution candidates, etc.?  I would like to be able to better describe what I am reporting when I use this property.

In case it is important, I am optimizing a bilinearly-constrained mixed integer nonlinear programming problem.

Thank you.

1

• 

  Jaromił Najman

  Gurobi Staff

  • January 23, 2024 12:46

  The work attribute is roughly counting the number of time intensive operations during an optimization run, e.g., numerical computations.

    Is it counting number of operations, counting number of evaluations of solution candidates, etc.?  

  All of these would more or less fall under the hood of "numerical computations".

  Best regards, 
  Jaromił

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