{
  "schema": "cnn_neat.results_snapshot",
  "schema_version": 1,
  "frozen_at": "2026-09-14",
  "metric": "balanced_accuracy",
  "notes": "Val fitness from committed Plotly ranking JSON (docs/mkdocs/assets/data). Not invented. Official CIFAR holdout JSON is not in-tree.",
  "studies": {
    "script11_cifar_ova": {
      "label": "Script 11 CIFAR-10 OVA",
      "split": "val",
      "source": "docs/mkdocs/assets/data/script11_ranking.json",
      "holdout_in_tree": false,
      "top": [
        {"run": "c0 gelu_mean_noew_var", "balanced_accuracy": 0.8578},
        {"run": "c0 gelu_mean_ew_fixed", "balanced_accuracy": 0.8444},
        {"run": "c0 gelu_mean_ew_var", "balanced_accuracy": 0.8333},
        {"run": "c0 relu_mmd_noew_var", "balanced_accuracy": 0.8178},
        {"run": "c1 gelu_mean_ew_var", "balanced_accuracy": 0.8156},
        {"run": "c6 gelu_mean_ew_var", "balanced_accuracy": 0.8156},
        {"run": "c0 tanh_mean_ew_var", "balanced_accuracy": 0.8144},
        {"run": "c0 leaky_relu_mean", "balanced_accuracy": 0.8089},
        {"run": "c8 tanh_mean_ew_fixed", "balanced_accuracy": 0.8067},
        {"run": "c0 leaky_relu_mean_noew", "balanced_accuracy": 0.8044}
      ]
    },
    "script15_mnist_ova": {
      "label": "Script 15 MNIST OVA",
      "split": "val",
      "source": "docs/mkdocs/assets/data/script15_ranking.json",
      "holdout_in_tree": "figure_only",
      "top": [
        {"run": "c1 leaky_relu_mean_ew", "balanced_accuracy": 0.99},
        {"run": "c1 leaky_relu_mean", "balanced_accuracy": 0.9878},
        {"run": "c1 relu_mean_ew_fixed", "balanced_accuracy": 0.9872},
        {"run": "c1 relu_mean_ew_var", "balanced_accuracy": 0.9844},
        {"run": "c1 linear_mean_noew_var", "balanced_accuracy": 0.9817},
        {"run": "c1 relu_mean_noew_var", "balanced_accuracy": 0.9811},
        {"run": "c1 linear_mean_ew_fixed", "balanced_accuracy": 0.98},
        {"run": "c1 tanh_mean", "balanced_accuracy": 0.9739},
        {"run": "c1 tanh_mean_noew_var", "balanced_accuracy": 0.97},
        {"run": "c4 leaky_relu_mean_ew", "balanced_accuracy": 0.9689}
      ]
    }
  },
  "cross_study_best_val": [
    {"study": "15 MNIST OVA A–D CUDA-only", "balanced_accuracy": 0.99},
    {"study": "11 CIFAR-10 OVA A–D CUDA-only", "balanced_accuracy": 0.8578},
    {"study": "10 OVA planned hash-cache + C strong GD", "balanced_accuracy": 0.8082},
    {"study": "09 OVA A–B structural hash-cache", "balanced_accuracy": 0.7802},
    {"study": "12 OVA A–B no activation cache", "balanced_accuracy": 0.728}
  ],
  "not_measured": [
    "CIFAR official test holdout table (11b/11c JSON not in this tree; restore from CNN-NEAT-RUNS)",
    "Multiclass campaigns 13/14/14b/16 (no completed extract in runs/site)",
    "GBM / ensemble / 10-class fine-tune / ResNet comparison (pipeline phases 2–7)"
  ]
}