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"run_id": "run_0055", |
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"optimizer": "L-BFGS-B", |
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"optimizer_type": "gradient-based", |
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"problem": "ackley", |
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"problem_difficulty": "hard", |
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"problem_type": "multimodal", |
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"dimension": 2, |
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"optimal_value": 0.6424294361582134, |
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"optimal_point": [ |
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0.34, |
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], |
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"global_optimum": [ |
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0.0, |
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0.0 |
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], |
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"global_minimum": 0.0, |
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"error_from_known": 0.44045431091090487, |
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"iterations": 88, |
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"function_evaluations": 101, |
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"gradient_evaluations": 80, |
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"time_elapsed": 0.2379368282067457, |
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"convergence_rate": 0.005028389718582903, |
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"stability_score": 0.9965216767940823, |
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"success": false, |
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"converged": false, |
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"within_tolerance": false, |
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"accuracy_score": 0.6942254207060734, |
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"efficiency_score": 0.3623188405797102, |
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"robustness_score": 0.9965216767940823, |
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"overall_score": 0.6843553126932886, |
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"convergence_history": [ |
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0.6580415596896302, |
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0.644315436649794, |
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0.6424294361582134, |
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0.651816835726263, |
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0.6502986558968009, |
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0.648792200386266, |
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0.6424294361582134, |
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0.6424294361582134, |
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0.6426064828478414 |
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], |
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"bounds": [ |
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[ |
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-32, |
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32 |
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], |
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[ |
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-32, |
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32 |
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] |
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], |
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"constraints_supported": [ |
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"bounds" |
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], |
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"gradient_required": true, |
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"timestamp": "2025-08-24T00:22:09.538020", |
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"source": "openmdao_benchmarking_system_v1.0", |
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"problem_reference": "Ackley, D.H. (1987). A connectionist machine for genetic hillclimbing", |
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"optimizer_reference": "Byrd, R.H. et al. (1995). A limited memory algorithm for bound constrained optimization" |
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} |
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] |