How optimization algorithms work & improving their performance

Distributed MIP logging & ramp-up question
3 votes 7 comments
MILP takes way too much time Answered
2 votes 2 comments
Model contains large quadratic objective coefficient range.
2 votes 9 comments
Tolerance and constraint parameters Answered
2 votes 3 comments
What solution wll GUROBI return when solving an unbounded MILP?
2 votes 0 comments
Order of variables & constraints vs. performance Answered
2 votes 3 comments
Theory about the algorithms Answered
2 votes 2 comments
How does MIPFocus really work? Answered
1 vote 1 comment
MILP stops with OPTIMAL status but a suboptimal solution Awaiting user input
1 vote 1 comment
Same nodes but different solution time (VRP Time Windows) Answered
1 vote 3 comments
Interpretation best bound NoRel heuristic Answered
1 vote 1 comment
How to improve solver solution time in VRP TW Optimization Answered
1 vote 6 comments
How Gurobi compute IIS for MIP problem? Answered
1 vote 5 comments
Solver behaviour when giving fixed variable a start value Answered
1 vote 1 comment
Lazy constraint in MIPNODE and MIPSOL Awaiting user input
1 vote 5 comments
How do I specify the algorithm used to solve my model in pyomo? Answered
1 vote 1 comment
Unable to find sub-optimal solution Answered
1 vote 3 comments
Optimization time: local machine vs computer cluster Answered
1 vote 1 comment
Worse performance for smaller problem Answered
1 vote 4 comments
Speeding up Gurobi LP solver Ongoing
1 vote 8 comments
same LP solution multiple times in root node, user cuts ignored
1 vote 1 comment
Astronomically low node throughput; major degeneracy? Answered
1 vote 2 comments
the time Answered
1 vote 1 comment
Providing integer start solution drastically increases root relaxation computation time Answered
1 vote 7 comments
Advice on Cuts and Reducing Solution Time Ongoing
1 vote 1 comment
Implementation of Benders Decomposition with Callbacks Ongoing
1 vote 9 comments
Is it possible to get the value of the Interior Solution ? Ongoing
1 vote 3 comments
Lift and project cut Answered
1 vote 2 comments