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tune.py
#!/usr/bin/env python3.7 # Copyright 2021, Gurobi Optimization, LLC # This example reads a model from a file and tunes it. # It then writes the best parameter settings to a file # and solves the model using these parameters. import sys import gurobipy as gp if len(sys.argv) < 2: print('Usage: tune.py filename') sys.exit(0) # Read the model model = gp.read(sys.argv[1]) # Set the TuneResults parameter to 1 model.Params.tuneResults = 1 # Tune the model model.tune() if model.tuneResultCount > 0: # Load the best tuned parameters into the model model.getTuneResult(0) # Write tuned parameters to a file model.write('tune.prm') # Solve the model using the tuned parameters model.optimize()