| { | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "size": "medium", | |
| "winner": "cp_sat", | |
| "oracle_solver": "cp_sat", | |
| "selector_accuracy": true, | |
| "par10_score": 0.08, | |
| "oracle_regret": 0.0, | |
| "results": [ | |
| { | |
| "solver_id": "cp_sat", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "num_search_workers": 8, | |
| "presolve": true, | |
| "search_branching": "portfolio", | |
| "heuristic_frequency": 0.5 | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
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| "optimality_gap_pct": 1.58, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0202, | |
| "best_bound": 81.3522, | |
| "gap_improvement_rate": 0.158, | |
| "search_speed": 375.0, | |
| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 89 | |
| }, | |
| "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": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 3.74, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0245, | |
| "best_bound": 80.4666, | |
| "gap_improvement_rate": 0.374, | |
| "search_speed": 375.0, | |
| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 64 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "cbc", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolve": "on", | |
| "cuts": "on", | |
| "heuristics": "on", | |
| "threads": 2 | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 4.06, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0251, | |
| "best_bound": 80.3354, | |
| "gap_improvement_rate": 0.406, | |
| "search_speed": 375.0, | |
| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 61 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "scip", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolving": true, | |
| "separating": true, | |
| "heuristics": true, | |
| "threads": 4 | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 3.58, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0242, | |
| "best_bound": 80.5322, | |
| "gap_improvement_rate": 0.358, | |
| "search_speed": 375.0, | |
| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 66 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "glpk", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "presolve": true, | |
| "mip_gap": 0.02 | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
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| "optimality_gap_pct": 5.1, | |
| "feasible": true, | |
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| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 49 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "gurobi", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "Presolve": 2, | |
| "MIPFocus": 1, | |
| "Heuristics": 0.25, | |
| "Threads": 4 | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 3.1, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0232, | |
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| "gap_improvement_rate": 0.31, | |
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| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 72 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "minizinc", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "solver": "chuffed", | |
| "neighborhood_size": 16 | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 1.58, | |
| "feasible": true, | |
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| "best_bound": 81.3522, | |
| "gap_improvement_rate": 0.158, | |
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| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 89 | |
| }, | |
| "solution": {} | |
| }, | |
| { | |
| "solver_id": "alns", | |
| "solver_config": { | |
| "time_limit_sec": 10.0, | |
| "neighborhood_size": 24, | |
| "destroy_pct": 0.3, | |
| "initial_solution": "greedy" | |
| }, | |
| "instance_id": "rcpsp_medium_s123", | |
| "problem_type": "rcpsp", | |
| "metrics": { | |
| "runtime_sec": 0.08, | |
| "optimality_gap_pct": 2.46, | |
| "feasible": true, | |
| "time_to_first_feasible_sec": 0.0219, | |
| "best_bound": 80.9914, | |
| "gap_improvement_rate": 0.246, | |
| "search_speed": 375.0, | |
| "objective_value": 82.984, | |
| "status": "FEASIBLE", | |
| "memory_mb": 12.06, | |
| "nodes": 79 | |
| }, | |
| "solution": {} | |
| } | |
| ], | |
| "instance_features": { | |
| "general": { | |
| "n_variables": 30, | |
| "n_constraints": 19, | |
| "pct_binary": 0.7, | |
| "pct_integer": 0.88, | |
| "sparsity": 0.55, | |
| "coefficient_range": 12.0, | |
| "constraint_tightness": 0.2067 | |
| }, | |
| "graph": { | |
| "graph_density": 0.25, | |
| "clustering_coefficient": 0.42, | |
| "avg_degree": 3.2, | |
| "connected_components": 1, | |
| "treewidth_approx": 12.0 | |
| }, | |
| "problem": { | |
| "n_machines": 4, | |
| "n_jobs": 15, | |
| "capacity_utilization": 0.2067, | |
| "customer_clustering": 0.0, | |
| "demand_variance": 0.22, | |
| "time_window_tightness": 0.48 | |
| } | |
| } | |
| } |