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tune.py
#!/usr/bin/env python3.7
# Copyright 2020, 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')
quit()
# 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()
