solverport-solver-performance / facility_location_small_s42_performance.json
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Publish SolverPort solver performance benchmark dataset
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{
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"size": "small",
"winner": "highs",
"oracle_solver": "highs",
"selector_accuracy": false,
"par10_score": 0.08,
"oracle_regret": 1.68,
"results": [
{
"solver_id": "cp_sat",
"solver_config": {
"time_limit_sec": 10.0,
"num_search_workers": 4,
"presolve": true,
"search_branching": "automatic",
"heuristic_frequency": 0.5
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 2.81,
"feasible": true,
"time_to_first_feasible_sec": 0.0235,
"best_bound": 174.5131,
"gap_improvement_rate": 0.281,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 112
},
"solution": {}
},
{
"solver_id": "highs",
"solver_config": {
"time_limit_sec": 10.0,
"presolve": "on",
"threads": 4,
"mip_rel_gap": 0.01,
"cut_strategy": "aggressive"
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 1.13,
"feasible": true,
"time_to_first_feasible_sec": 0.0202,
"best_bound": 175.9999,
"gap_improvement_rate": 0.113,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 142
},
"solution": {}
},
{
"solver_id": "cbc",
"solver_config": {
"time_limit_sec": 10.0,
"presolve": "on",
"cuts": "on",
"heuristics": "on",
"threads": 2
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 2.25,
"feasible": true,
"time_to_first_feasible_sec": 0.0224,
"best_bound": 175.0087,
"gap_improvement_rate": 0.225,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 122
},
"solution": {}
},
{
"solver_id": "scip",
"solver_config": {
"time_limit_sec": 10.0,
"presolving": true,
"separating": true,
"heuristics": true,
"threads": 4
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 1.13,
"feasible": true,
"time_to_first_feasible_sec": 0.0202,
"best_bound": 175.9999,
"gap_improvement_rate": 0.113,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 142
},
"solution": {}
},
{
"solver_id": "glpk",
"solver_config": {
"time_limit_sec": 10.0,
"presolve": true,
"mip_gap": 0.02
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 3.29,
"feasible": true,
"time_to_first_feasible_sec": 0.0245,
"best_bound": 174.0884,
"gap_improvement_rate": 0.329,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 103
},
"solution": {}
},
{
"solver_id": "gurobi",
"solver_config": {
"time_limit_sec": 10.0,
"Presolve": 2,
"MIPFocus": 1,
"Heuristics": 0.25,
"Threads": 4
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 1.13,
"feasible": true,
"time_to_first_feasible_sec": 0.0202,
"best_bound": 175.9999,
"gap_improvement_rate": 0.113,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 142
},
"solution": {}
},
{
"solver_id": "minizinc",
"solver_config": {
"time_limit_sec": 10.0,
"solver": "chuffed",
"neighborhood_size": 12
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 3.45,
"feasible": true,
"time_to_first_feasible_sec": 0.0248,
"best_bound": 173.9468,
"gap_improvement_rate": 0.345,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 100
},
"solution": {}
},
{
"solver_id": "alns",
"solver_config": {
"time_limit_sec": 10.0,
"neighborhood_size": 24,
"destroy_pct": 0.3,
"initial_solution": "greedy"
},
"instance_id": "facility_location_small_s42",
"problem_type": "facility_location",
"metrics": {
"runtime_sec": 0.08,
"optimality_gap_pct": 4.25,
"feasible": true,
"time_to_first_feasible_sec": 0.0264,
"best_bound": 173.2388,
"gap_improvement_rate": 0.425,
"search_speed": 600.0,
"objective_value": 178.416,
"status": "FEASIBLE",
"memory_mb": 12.1,
"nodes": 86
},
"solution": {}
}
],
"instance_features": {
"general": {
"n_variables": 48,
"n_constraints": 12,
"pct_binary": 0.45,
"pct_integer": 0.55,
"sparsity": 0.42,
"coefficient_range": 200.0,
"constraint_tightness": 0.58
},
"graph": {
"graph_density": 0.18,
"clustering_coefficient": 0.28,
"avg_degree": 5.2,
"connected_components": 1,
"treewidth_approx": 6.0
},
"problem": {
"n_machines": 4,
"n_jobs": 11,
"capacity_utilization": 0.65,
"customer_clustering": 0.45,
"demand_variance": 0.0,
"time_window_tightness": 0.0
}
}
}