Where are node files saved?

Answered

Giordano Giambartolomei

July 26, 2025 15:46

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I would like to find the node files generated and stored in the hard disk when using model.Params.NodefileStart = 0.5

Perhaps my understanding of this process is incorrect, but I am worried that after the optimisation routine stops they will just sit there occupying space. However I could not find any. I use gurobipy with Anaconda. Where are they usually saved? Could it be that gurobipy automatically erases them once the optimisation routine ends or, like in my case, is killed?

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  Riley Clement

  • Gurobi Staff

  July 27, 2025 23:15

  Hi Giordano,

  As long as Gurobi terminates normally then the files will be removed.

  You can set the directory for them to be written to with the NodefileDir parameter.  The default is “.” - i.e. the working directory that Gurobi is ran from.

  - Riley

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