ANL-CEEESA/MIPLearn
1
0
Fork 0
mirror of https://github.com/ANL-CEEESA/MIPLearn.git synced 2025-12-06 17:38:51 -06:00
Code Issues Packages Projects Releases Wiki Activity

Silence Gurobi

Browse Source
This commit is contained in:
Alinson S. Xavier
2020-02-22 22:45:30 -06:00
parent b60afab5ef
commit 9e4004ae8a
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
miplearn/solvers.py
View File

@@ -51,6 +51,7 @@ class InternalSolver():
class GurobiSolver(InternalSolver): class GurobiSolver(InternalSolver):
def __init__(self): def __init__(self):
self.solver = pe.SolverFactory('gurobi_persistent') self.solver = pe.SolverFactory('gurobi_persistent')
self.solver.options["OutputFlag"] = 0
self.solver.options["Seed"] = randint(low=0, high=1000).rvs() self.solver.options["Seed"] = randint(low=0, high=1000).rvs()
def set_threads(self, threads): def set_threads(self, threads):
@@ -185,7 +186,6 @@ class LearningSolver:
# Solve LP relaxation # Solve LP relaxation
results = self.internal_solver.solve_lp(model, tee=tee) results = self.internal_solver.solve_lp(model, tee=tee)
instance.lp_solution = self.internal_solver.get_solution(model) instance.lp_solution = self.internal_solver.get_solution(model)
print(results)
instance.lp_value = results["Optimal value"] instance.lp_value = results["Optimal value"]
# Invoke before_solve callbacks # Invoke before_solve callbacks