{
  "dataset": "WikiText-2",
  "seed": 42,
  "dense_steps": 70,
  "alignment_steps": 35,
  "target_retention": 0.8,
  "layer_cosine_similarities": [
    0.5596479774,
    0.7493835092,
    0.7928400636,
    0.9284095764
  ],
  "adaptive_retentions": [
    1.0,
    1.0,
    1.0,
    0.2
  ],
  "variants": {
    "dense_teacher": {
      "perplexity": 318.7171957789,
      "active_token_fraction": 1.0
    },
    "uniform_mod_80": {
      "perplexity": 320.9689799847,
      "active_token_fraction": 0.7916666667
    },
    "adadsf_80": {
      "perplexity": 321.9331667865,
      "active_token_fraction": 0.7994791667
    }
  },
  "adaptive_vs_uniform_ppl_reduction_percent": -0.3003987494,
  "adaptive_vs_dense_ppl_change_percent": 1.0090359259,
  "device": "mps",
  "schema_version": 2,
  "manifest_ref": "reproduction:adadsf",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2607.21291-adadsf/metrics/wikitext-2-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}