{
  "schema_version": 2,
  "method": "pn-mix-packed-cache-component",
  "manifest_ref": "reproduction:pn-mix",
  "seed": 42,
  "diagnostic_only": true,
  "dataset": {
    "id": "public-domain-Hamlet-byte-diagnostic",
    "revision": "sha256:378fdfa57b25e18e5eadfd448a7b4a17bb017893f425c1b0d35b1f2c342568c6"
  },
  "evaluation_tier": "l1_mechanism",
  "evaluation_protocol": {
    "tier": "l1_mechanism",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "L1 actual-cache attention diagnostic; not language capability or throughput evidence"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2610.19605-pn-mix/metrics/component-cpu-seed42.json",
    "dataset_fingerprint": "sha256:378fdfa57b25e18e5eadfd448a7b4a17bb017893f425c1b0d35b1f2c342568c6",
    "dataset": "public-domain-Hamlet-byte-diagnostic",
    "source_url": "https://www.gutenberg.org/ebooks/1524",
    "model": "random-initialized-single-layer-RoPE-GQA",
    "model_revision": "pn-mix-reference-rope-v1",
    "pretrained": false,
    "command": "PYTHONPATH=src python scripts/run_pn_mix.py --device cpu --seed 42"
  },
  "protocol": {
    "prefill_tokens": 384,
    "decode_tokens": 64,
    "sink_tokens": 32,
    "group_size": 128,
    "residual_size": 128,
    "key_high_bits": 3,
    "key_low_bits": 1,
    "high_ratio": 0.5,
    "value_bits": 2,
    "pair_layout": "adjacent",
    "input_and_metadata_precision": "float32",
    "fused_kernel": false,
    "evolve_eligible": false
  },
  "metrics": {
    "key_mse": 0.06574339419603348,
    "value_mse": 0.05338819697499275,
    "attention_kl": 0.011478330008685589,
    "attention_output_mse": 0.004013621713966131,
    "attention_output_cosine": 0.9500405192375183,
    "sink_key_max_error": 0.0,
    "saliency_computations": 1,
    "mask_unchanged_after_decode": true,
    "actual_attention_calls": 66,
    "quantized_tokens": 384,
    "residual_tokens": 32,
    "key_bytes": 24068,
    "value_bytes": 28672,
    "persistent_cache_bytes": 52740,
    "temporary_dequantized_cache_included": false
  },
  "full_experiment": {
    "status": "not_reproduced_high_cost",
    "review_done": true
  }
}