| { | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "size": "large", | |
| "winner": "cp_sat", | |
| "oracle_solver": "cp_sat", | |
| "selector_accuracy": true, | |
| "par10_score": 0.076, | |
| "oracle_regret": 0.0, | |
| "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": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.0215, | |
| "optimality_gap_pct": 0, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0075, | |
| "best_bound": 1140.8, | |
| "gap_improvement_rate": 0.15, | |
| "search_speed": 2002.0, | |
| "objective_value": 1491.0, | |
| "status": "OPTIMAL", | |
| "memory_mb": 0.03, | |
| "nodes": 0 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "highs", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolve": "on", | |
| "threads": 4, | |
| "mip_rel_gap": 0.01, | |
| "cut_strategy": "automatic" | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 2.66, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0211, | |
| "best_bound": 1125.6274, | |
| "gap_improvement_rate": 0.266, | |
| "search_speed": 537.5, | |
| "objective_value": 1136.8072, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 119 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "cbc", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolve": "on", | |
| "cuts": "on", | |
| "heuristics": "on", | |
| "threads": 2 | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.0853, | |
| "optimality_gap_pct": 2.9, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.023, | |
| "best_bound": 1124.2584, | |
| "gap_improvement_rate": 0.29, | |
| "search_speed": 504.2, | |
| "objective_value": 1135.096, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 116 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "scip", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolving": true, | |
| "separating": true, | |
| "heuristics": true, | |
| "threads": 4 | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 2.58, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.021, | |
| "best_bound": 1126.0837, | |
| "gap_improvement_rate": 0.258, | |
| "search_speed": 537.5, | |
| "objective_value": 1137.3776, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 121 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "glpk", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolve": true, | |
| "mip_gap": 0.02 | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.0984, | |
| "optimality_gap_pct": 4.34, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0301, | |
| "best_bound": 1116.0446, | |
| "gap_improvement_rate": 0.434, | |
| "search_speed": 436.97, | |
| "objective_value": 1124.8288, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 92 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "gurobi", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "Presolve": 2, | |
| "MIPFocus": 1, | |
| "Heuristics": 0.25, | |
| "Threads": 4 | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 2.26, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0203, | |
| "best_bound": 1127.909, | |
| "gap_improvement_rate": 0.226, | |
| "search_speed": 537.5, | |
| "objective_value": 1139.6592, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 126 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "minizinc", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "solver": "chuffed", | |
| "neighborhood_size": 12 | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.082, | |
| "optimality_gap_pct": 4.5, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0254, | |
| "best_bound": 1115.132, | |
| "gap_improvement_rate": 0.45, | |
| "search_speed": 524.37, | |
| "objective_value": 1123.688, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 90 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "alns", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "neighborhood_size": 24, | |
| "destroy_pct": 0.3, | |
| "initial_solution": "greedy" | |
| }, | |
| "instance_id": "knapsack_large_s42", | |
| "problem_type": "knapsack", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 5.3, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0264, | |
| "best_bound": 1110.5688, | |
| "gap_improvement_rate": 0.53, | |
| "search_speed": 537.5, | |
| "objective_value": 1117.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.09, | |
| "nodes": 77 | |
| }, | |
| "solution": {} | |
| } | |
| ], | |
| "instance_features": { | |
| "general": { | |
| "n_variables": 43, | |
| "n_constraints": 1, | |
| "pct_binary": 1.0, | |
| "pct_integer": 1.0, | |
| "sparsity": 0.0, | |
| "coefficient_range": 100, | |
| "constraint_tightness": 1.5 | |
| }, | |
| "graph": { | |
| "graph_density": 0.0, | |
| "clustering_coefficient": 0.0, | |
| "avg_degree": 0.0, | |
| "connected_components": 1, | |
| "treewidth_approx": 1.0 | |
| }, | |
| "problem": { | |
| "n_machines": 0, | |
| "n_jobs": 43, | |
| "capacity_utilization": 3.0, | |
| "customer_clustering": 0.0, | |
| "demand_variance": 0.0, | |
| "time_window_tightness": 0.0 | |
| } | |
| } | |
| } |