Spectrally safeguarded DFP / report_bench_2026-08-30T153004.md

✓✓ Beats tuned baseline

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Стенд-проверка (stage-2) · промт оператора:

(универсальный)

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{ "worked": true, "confidence": 7, "verdict": "Implemented spectrally safeguarded blockwise DFP on the structurally matched tabular/Friedman#1 track with the shared mlp_tiny architecture. The 8-seed paired benchmark reports lower MSE for the idea than tuned Adam, with delta_mean -21.711756 and permutation p-value 0.0081, satisfying the harness significant-win criterion. The secant identity and eigenvalue-floor checks passed.", "metrics": { "baseline": "Tuned Adam, mlp_tiny, tabular: lr=0.01, 8 epochs; mean test MSE 35.374396 over 8 seeds.", "idea": "Safeguarded blockwise DFP, same task and model: lr=0.02, 8 epochs; mean test MSE 13.662640 over 8 seeds; 8/8 paired wins; 374 safeguards total." }, "how_to_run": "/home/maxwelhelp/main/bin/python3 bench_experiment.py", "files": [ "bench_experiment.py", "bench_report.json" ], "limitations": "Only tabular was tested. The final run used a reduced dataset and short budget after longer runs timed out. The implementation uses dense block eigendecompositions and Armijo backtracking, not a complete strong-Wolfe line search.", "bench_report": { "bench_version": 1, "track": "tabular", "model": "mlp_tiny", "metric_direction": "lower is better", "n_seeds": 8, "baseline": { "best_cfg": { "lr": 0.01, "epochs": 8 }, "mean": 35.374396085739136, "std": 12.759078946030915 }, "idea": { "best_cfg": { "lr": 0.02, "epochs": 8 }, "mean": 13.662639737129211, "std": 1.2255122413284667, "per_seed": [ 13.658586502075195, 10.993560791015625, 14.850048065185547, 14.97375202178955, 12.930068016052246, 13.51315689086914, 13.623165130615234, 14.758780479431152 ] }, "comparison": { "delta_mean": -21.711756348609924, "idea_wins": 8, "n_pairs": 8, "p_value": 0.0081, "verdict": "idea better (significant)", "system_worked": true }, "mechanism_signature": { "predicted_floor": 0.0001, "observed_min_eig_min": 0.00015548363137000883, "observed_max_rotation": 0.9999999997777941, "safeguards_total": 374, "confirmed": true } }, "system_verdict": "worked", "practical_verdict": "helps", "mechanism_ok": 1, "system_judged": true }