{
  "format": "laguna-w1-n128-nvme-phase1-result-v1",
  "experiment": "laguna-routed-w1-n128-nvme-recovery-endpoint",
  "date": "2026-07-23",
  "status": "phase1_failed_stop",
  "record_submission": false,
  "decision": "Stop after A1/B1. N128 failed the frozen headline, row-win, and paired-median gates; B2/A2 and any LocalMaxxing payload are forbidden.",
  "approved_record_anchor": {
    "id": "cmrx6p5dv001bo4017hb7sixz",
    "tok_s": 33.89498511171744,
    "unchanged": true
  },
  "source": {
    "main_repo_commit_during_both_legs": "b299a842ed393d95367a4b0a77e410f71206bd2c",
    "vllm_commit": "8936aac144929190c1e53f8b8624ca397ce16f5b",
    "xpu_kernel_commit": "c59aaadbbfd350c2b5f4ad663e247c2811ae3181",
    "shared_native_sha256": "126da37b23e5eff6840dd256c90164e3a282469e5fafa27830530e63ff36bce2",
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    "moe_native_sha256": "0057b266d567731a9f9f592cefd9103bbf027ebb83c876d26c17ffb09994a3a0",
    "grouped_gemm_sha256": "fc74a6452b95643768889e2598df77bc4f4aa2b0925257a4c0eff371b1cf6c96"
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  "model": {
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    "target_path": "/mnt/fast-ai/llm-models/laguna-s-2.1/int4",
    "target_revision": "4bbfc285f2f8b3b6b526274c133b7b17aae6c8cb",
    "draft": "poolside/Laguna-S-2.1-DFlash-INT4",
    "draft_path": "/mnt/fast-ai/llm-models/laguna-s-2.1/dflash-int4",
    "draft_revision": "5e07c246915c86dc6920fead03d019989224f2ba",
    "aggregate_manifest_sha256": "45aa105ef4eceaf05cad33012e0752369f77cbbd76f2213ccfe0ce130fa6c0ac",
    "active_storage": "internal NVMe/ext4",
    "external_usb_used_for_live_io": false
  },
  "treatment": {
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    "B1_candidate": 128,
    "unchanged_record_stack": {
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      "VLLM_XPU_LAGUNA_M8_FUSED_W1_ROUTE_W2": 1,
      "VLLM_XPU_LAGUNA_M8_ROUTE_INTERLEAVE": 1,
      "VLLM_XPU_LAGUNA_M8_SHARED_ELEMENTWISE": 1,
      "VLLM_XPU_LAGUNA_M8_QKNORM_ROPE": 1,
      "VLLM_XPU_LAGUNA_M8_BF16_ROUTER_TOPK": 0,
      "VLLM_XPU_EXACT_SPEC_ATTN": 1,
      "LAGUNA_DFLASH_NUM_SPECULATIVE_TOKENS": 7
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  "protocol": {
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    "executed_order": [
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    "fresh_service_per_leg": true,
    "adjacent_idle_gap_seconds": 172.0,
    "generation_warmup": "none",
    "prompt_count_per_leg": 13,
    "prompts_unique_per_leg": true,
    "each_prompt_run_once": true,
    "cached_tokens_all_zero": true,
    "single_active_generation": true,
    "prefix_history_ngram_response_reuse": false,
    "max_tokens": 512,
    "metric": "median_tok_s_1_100_after_ttft",
    "performance_conditioned_retry": false,
    "fifth_run_permitted": false
  },
  "runs": {
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      "p10_tok_s": 24.221875960048912,
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      "target_cycle_ms": 94.09380652818032,
      "draft_cycles": 1721,
      "draft_tokens": 12047,
      "accepted_tokens": 4641,
      "acceptance_rate": 0.3852411388727484,
      "teacher_exact": "13/13",
      "cached_tokens_zero": "13/13",
      "long_then_next_exact": "2/2",
      "rollover_exact": "1/1",
      "quality_and_honesty_pass": true,
      "bench_sha256": "4cb4576615c038c4f9fdf6bcda3a689c04a0575c16714cf35fb705a396e6cb21",
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      "cached_tokens_zero": "13/13",
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    "headline_delta_percent": -2.6889612397865914,
    "candidate_row_wins": 3,
    "candidate_row_losses_or_ties": 10,
    "median_paired_delta_tok_s": -0.9403141178983816,
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    "acceptance_rate_delta": 0.0003070338847266929,
    "acceptance_rate_delta_percentage_points": 0.03070338847266929
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  "phase1_gates": {
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    "B1_quality_and_honesty": true,
    "same_canonical_teacher": true,
    "same_repository_source_commit": true,
    "fresh_services_in_order_with_idle_gap": true,
    "frozen_campaign_prefix_hash_chain": true,
    "candidate_headline_faster": false,
    "candidate_wins_at_least_9_of_13_rows": false,
    "paired_median_positive": false,
    "target_cycle_saving_at_least_0_15_ms": true,
    "absolute_acceptance_rate_delta_at_most_0_001": true,
    "phase1_pass": false
  },
  "artifact": {
    "root": "/mnt/fast-ai/llm-optimization-artifacts/laguna-s-2.1/runs/w1-n128-nvme-recovery-abba-8936aac-c59aaad-20260723T131632Z",
    "runner": "experiments/laguna-s-2.1-xpu-b70/tools/run_w1_n128_crossover_leg.sh",
    "runner_sha256": "d0dd5931da27748ee64174f725d41552b24928334bcc9aed477fb3d2b17cb41b",
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    "phase1_analysis_markdown_sha256": "5a8e122af2d96fe08afe3a44968adb86d1a0efb243e42433fb94b3dabfe36835",
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    "all_leg_manifests_verified": true,
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  "postflight": {
    "boot_id": "0b7f98a5-e50a-46a5-81ea-15938b55317a",
    "kernel_release": "7.0.0-28-generic",
    "kernel_taint": 0,
    "port_8000_listening": false,
    "model_or_worker_process_running": false,
    "both_leg_cleanup_status_zero": true
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  "disposition": {
    "campaign_closed": true,
    "B2_permitted": false,
    "A2_permitted": false,
    "payload_staged": false,
    "localmaxxing_submission_made": false,
    "N128_has_real_component_and_cycle_saving": true,
    "N128_is_endpoint_promotable": false,
    "next_research_direction": "shared-expert GEMM occupancy or a separately preregistered narrower routed-W1 occupancy design"
  }
}