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        },
        "adamw": {
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          "parameter_elements": 808,
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        }
      },
      "full_experiment": {
        "status": "not_reproduced_high_cost",
        "review_status": "done",
        "reason": "C4 60M–1.3B, 1.162B–26.84B tokens / multi-GPU pretraining and 7B–8B SFT omitted"
      },
      "limitations": [
        "Fixed tiny diagnostic hyperparameters, not the paper grid search or downstream comparison",
        "Synthetic real parameter updates only; not WikiText/C4 capability or wall-clock speed evidence",
        "Practical QR uses torch.linalg.qr, not authors' SCQR performance kernel",
        "No distributed state, AMP scaler/graph capture or torch.compile certification"
      ]
    }
  ],
  "unified_cli": {
    "seed": 42,
    "actual_device": "cuda",
    "same_seed_mlp_and_numeric_metrics_identical": true
  },
  "previous_failed_attempt": {
    "commit": "f65507e48851e4a576b296392126414efe36d62b",
    "result": "failed_dependency_check",
    "reason": "Independent CPU Torch SVD oracle required unavailable LAPACK. No numeric acceptance was claimed. The oracle was switched to NumPy FP64; CUDA optimizer and tolerances were unchanged."
  },
  "provenance": {
    "commit": "fe182240d2ddb76adccec86e67c1c7cf52ac3ee0",
    "artifact_path": "docs/reproductions/2610.19844-smrc-pmrc/metrics/component-a100-seeds42-44.json",
    "dataset_fingerprint": "cda3bac5d18e5011ddeef77c61cb391822d4b7d5dcfb3d7c9df6ea97dcde7b49",
    "gpu_receipt": "docs/gpu-validations/smrc-pmrc-a100-20261015.json"
  },
  "full_experiment_status": "not_reproduced_high_cost"
}