{
  "benchmark_scope": "same_checkpoint_same_hardware_same_prompt_cohort_same_cache_policy",
  "contract_id": "p04_same_checkpoint_prefill_kv_runtime_contract",
  "prompt_cohort_sources": [
    "benchmarks/p04_prefill_kv_cache_readiness_latest.json:required_benchmark_contract",
    "benchmarks/prefill_elements_alignment_latest.json:substrates",
    "benchmarks/gemma4_12b_prefill_predictive_train_test_latest.json:probe_format"
  ],
  "quality_boundary": "Quality non-regression, accepted-prefix identity, rejected-suffix KV isolation, and repair-cost deltas are required before any prefill speed, cache-hit, cost, or public runtime claim.",
  "required_arms": [
    "baseline_uncached_no_prefill_cache",
    "p04_lensgnn_semantic_sink_prefill",
    "p04_global_kv_cache_reuse",
    "p04_prefill_decode_transfer_policy"
  ],
  "required_metrics": [
    "same_checkpoint_uncached_prefill_tokens_per_second",
    "same_checkpoint_warm_prefill_tokens_per_second",
    "same_checkpoint_prefill_wall_clock_ttft",
    "global_cache_hit_rate",
    "accepted_prefix_rehydration_identity",
    "rejected_suffix_kv_commit_count",
    "tenant_prefix_model_tokenizer_adapter_system_prompt_match",
    "semantic_sink_preservation_score",
    "jepa_lcm_rendezvous_drift",
    "kv_memory_mib_delta",
    "quality_non_regression",
    "repair_cost_delta"
  ],
  "required_output_receipt": "benchmarks/p04_same_checkpoint_prefill_kv_runtime_latest.json",
  "runner_status": "contract_ready_result_missing",
  "same_checkpoint_requirements": {
    "same_cache_policy": true,
    "same_generation_settings": true,
    "same_hardware": true,
    "same_prompt_cohort": true,
    "same_target_checkpoint": true,
    "same_tokenizer": true
  },
  "schema": "ane.release.p04_prefill_kv_runtime_benchmark_request.v1",
  "target_dataset_repo_id": "GetGenetica/p04-prefill-kv-runtime-contract"
}