{
  "dataset": "WikiText-2",
  "seed": 42,
  "target_steps": 240,
  "draft_steps": 180,
  "gamma": 4,
  "window": 64,
  "sink": 8,
  "target_perplexity": 125.1481470009,
  "generation": {
    "native_acceptance_rate": 0.4166666667,
    "windowed_acceptance_rate": 0.25,
    "native_exact_match_dense": true,
    "windowed_exact_match_dense": true
  },
  "context_16384": {
    "native_keys": 16384,
    "windowed_keys": 72,
    "kv_read_reduction_percent": 99.560546875,
    "native_milliseconds": 1.0412625037,
    "windowed_milliseconds": 0.5180416978,
    "latency_reduction_percent": 50.248693682
  },
  "device": "mps",
  "schema_version": 2,
  "manifest_ref": "reproduction:windowed-mtp",
  "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/2607.21535-windowed-mtp/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"
  }
}