{
  "layer": 15,
  "target": "same_input",
  "recipe": "full_corpus_sequence_pass_v1",
  "block_scale_dtype": "fp16",
  "batch_tokens": 262144,
  "sequence_order_sha256": "5e0ef183802009d0483fe37a60f5acd49dd99218130e0c952f097fa473d863bf",
  "training_sequence_count": 14657,
  "training_passes": 0.5240171180844249,
  "training_tokens_seen": 7864320,
  "adaptive_schedule": {
    "best": 0.003168485440774852,
    "drop_after": 20,
    "relative_worsening": 0.001,
    "checks": 3,
    "patience_updates": 10,
    "bad_checks": 3,
    "last_best": 5,
    "early_drop": true
  },
  "refinement": null,
  "lr_decay_after": 25,
  "lr_decay_factor": 0.25,
  "export_only": false,
  "training_output_export": "fixed validation/audit outputs only; full training trajectory export not performed",
  "codebook_lr": 0.048,
  "scale_lr": 0.032,
  "quantized_movement": {
    "codebook_changed": 0,
    "codebook_values": 1482752,
    "scales_changed": 53138366,
    "scale_values": 53379072
  },
  "initial_validation": {
    "target_rel": 0.0032814509630109063,
    "reference_rel": 0.011089867074139295,
    "boundary_rel": 0.056532990666925576,
    "bulk_rel": 0.0032784195401158968,
    "boundary_rows": 24,
    "windows": [
      {
        "first_row": 8192,
        "rows": 1024,
        "reference_sse": 83.5377197265625,
        "reference_energy": 832639.4375
      },
      {
        "first_row": 9216,
        "rows": 1024,
        "reference_sse": 58.58589172363281,
        "reference_energy": 403340.5
      },
      {
        "first_row": 20480,
        "rows": 1024,
        "reference_sse": 58.887779235839844,
        "reference_energy": 829277.3125
      },
      {
        "first_row": 21504,
        "rows": 1024,
        "reference_sse": 64.03446197509766,
        "reference_energy": 366104.1875
      },
      {
        "first_row": 32768,
        "rows": 1024,
        "reference_sse": 71.31681823730469,
        "reference_energy": 830637.4375
      },
      {
        "first_row": 33792,
        "rows": 1024,
        "reference_sse": 87.22674560546875,
        "reference_energy": 369891.8125
      },
      {
        "first_row": 45056,
        "rows": 1024,
        "reference_sse": 70.56407165527344,
        "reference_energy": 840113.75
      },
      {
        "first_row": 46080,
        "rows": 1024,
        "reference_sse": 99.41761779785156,
        "reference_energy": 814519.625
      },
      {
        "first_row": 57344,
        "rows": 1024,
        "reference_sse": 107.20420837402344,
        "reference_energy": 838607.0
      },
      {
        "first_row": 58368,
        "rows": 1024,
        "reference_sse": 56.949134826660156,
        "reference_energy": 841723.6875
      },
      {
        "first_row": 69632,
        "rows": 1024,
        "reference_sse": 73.96504974365234,
        "reference_energy": 820313.5
      },
      {
        "first_row": 70656,
        "rows": 1024,
        "reference_sse": 70.16017150878906,
        "reference_energy": 401418.125
      },
      {
        "first_row": 81920,
        "rows": 1024,
        "reference_sse": 72.51335144042969,
        "reference_energy": 821804.1875
      },
      {
        "first_row": 82944,
        "rows": 1024,
        "reference_sse": 81.77774047851562,
        "reference_energy": 399019.25
      },
      {
        "first_row": 94208,
        "rows": 1024,
        "reference_sse": 117.08319854736328,
        "reference_energy": 821599.375
      },
      {
        "first_row": 95232,
        "rows": 1024,
        "reference_sse": 135.08590698242188,
        "reference_energy": 406940.59375
      }
    ]
  },
  "final_validation": {
    "target_rel": 0.003168485440774852,
    "reference_rel": 0.011063000923846449,
    "boundary_rel": 0.05550889044505697,
    "bulk_rel": 0.0031654583105023234,
    "boundary_rows": 24,
    "windows": [
      {
        "first_row": 8192,
        "rows": 1024,
        "reference_sse": 82.94956970214844,
        "reference_energy": 832639.4375
      },
      {
        "first_row": 9216,
        "rows": 1024,
        "reference_sse": 58.427276611328125,
        "reference_energy": 403340.5
      },
      {
        "first_row": 20480,
        "rows": 1024,
        "reference_sse": 58.72216796875,
        "reference_energy": 829277.3125
      },
      {
        "first_row": 21504,
        "rows": 1024,
        "reference_sse": 63.981407165527344,
        "reference_energy": 366104.1875
      },
      {
        "first_row": 32768,
        "rows": 1024,
        "reference_sse": 71.08467102050781,
        "reference_energy": 830637.4375
      },
      {
        "first_row": 33792,
        "rows": 1024,
        "reference_sse": 87.09043884277344,
        "reference_energy": 369891.8125
      },
      {
        "first_row": 45056,
        "rows": 1024,
        "reference_sse": 70.3071060180664,
        "reference_energy": 840113.75
      },
      {
        "first_row": 46080,
        "rows": 1024,
        "reference_sse": 99.11061096191406,
        "reference_energy": 814519.625
      },
      {
        "first_row": 57344,
        "rows": 1024,
        "reference_sse": 106.72645568847656,
        "reference_energy": 838607.0
      },
      {
        "first_row": 58368,
        "rows": 1024,
        "reference_sse": 56.24755859375,
        "reference_energy": 841723.6875
      },
      {
        "first_row": 69632,
        "rows": 1024,
        "reference_sse": 73.81906127929688,
        "reference_energy": 820313.5
      },
      {
        "first_row": 70656,
        "rows": 1024,
        "reference_sse": 69.9952392578125,
        "reference_energy": 401418.125
      },
      {
        "first_row": 81920,
        "rows": 1024,
        "reference_sse": 72.20686340332031,
        "reference_energy": 821804.1875
      },
      {
        "first_row": 82944,
        "rows": 1024,
        "reference_sse": 81.5769271850586,
        "reference_energy": 399019.25
      },
      {
        "first_row": 94208,
        "rows": 1024,
        "reference_sse": 116.93036651611328,
        "reference_energy": 821599.375
      },
      {
        "first_row": 95232,
        "rows": 1024,
        "reference_sse": 132.80284118652344,
        "reference_energy": 406940.59375
      }
    ]
  },
  "initial_reasoning_validation": null,
  "final_reasoning_validation": null,
  "validation_distribution": "reasoning only",
  "serialized_validation": {
    "target_rel": 0.003168485440774852,
    "reference_rel": 0.011063000923846449
  },
  "development_audit": {
    "target_rel": 0.005702497330828365,
    "reference_rel": 0.016898182630384454,
    "boundary_rel": 0.08206546678129815,
    "bulk_rel": 0.0057003292138397554,
    "boundary_rows": 10,
    "windows": [
      {
        "first_row": 10240,
        "rows": 1024,
        "reference_sse": 291.6014404296875,
        "reference_energy": 798186.125
      },
      {
        "first_row": 11264,
        "rows": 1024,
        "reference_sse": 218.52520751953125,
        "reference_energy": 832349.25
      },
      {
        "first_row": 22528,
        "rows": 1024,
        "reference_sse": 259.759521484375,
        "reference_energy": 403891.25
      },
      {
        "first_row": 23552,
        "rows": 1024,
        "reference_sse": 178.91397094726562,
        "reference_energy": 397483.75
      },
      {
        "first_row": 34816,
        "rows": 1024,
        "reference_sse": 206.21987915039062,
        "reference_energy": 827110.625
      },
      {
        "first_row": 35840,
        "rows": 1024,
        "reference_sse": 178.09286499023438,
        "reference_energy": 833002.625
      },
      {
        "first_row": 47104,
        "rows": 1024,
        "reference_sse": 169.9060821533203,
        "reference_energy": 378884.28125
      },
      {
        "first_row": 48128,
        "rows": 1024,
        "reference_sse": 149.57106018066406,
        "reference_energy": 400192.15625
      },
      {
        "first_row": 59392,
        "rows": 1024,
        "reference_sse": 198.4799041748047,
        "reference_energy": 806762.625
      },
      {
        "first_row": 60416,
        "rows": 1024,
        "reference_sse": 156.78680419921875,
        "reference_energy": 814983.3125
      },
      {
        "first_row": 71680,
        "rows": 1024,
        "reference_sse": 159.54583740234375,
        "reference_energy": 823800.6875
      },
      {
        "first_row": 72704,
        "rows": 1024,
        "reference_sse": 153.24874877929688,
        "reference_energy": 831750.125
      },
      {
        "first_row": 83968,
        "rows": 1024,
        "reference_sse": 175.1824188232422,
        "reference_energy": 822289.5
      },
      {
        "first_row": 84992,
        "rows": 1024,
        "reference_sse": 206.12808227539062,
        "reference_energy": 387577.53125
      },
      {
        "first_row": 96256,
        "rows": 1024,
        "reference_sse": 159.55523681640625,
        "reference_energy": 395383.03125
      },
      {
        "first_row": 97280,
        "rows": 1024,
        "reference_sse": 161.8413543701172,
        "reference_energy": 834248.375
      }
    ]
  },
  "initial_development_audit": {
    "target_rel": 0.005950792395893044,
    "reference_rel": 0.017044827186411458,
    "boundary_rel": 0.08474499430386755,
    "bulk_rel": 0.0059485771376483094,
    "boundary_rows": 10,
    "windows": [
      {
        "first_row": 10240,
        "rows": 1024,
        "reference_sse": 294.8445129394531,
        "reference_energy": 798186.125
      },
      {
        "first_row": 11264,
        "rows": 1024,
        "reference_sse": 221.38827514648438,
        "reference_energy": 832349.25
      },
      {
        "first_row": 22528,
        "rows": 1024,
        "reference_sse": 266.23388671875,
        "reference_energy": 403891.25
      },
      {
        "first_row": 23552,
        "rows": 1024,
        "reference_sse": 183.73387145996094,
        "reference_energy": 397483.75
      },
      {
        "first_row": 34816,
        "rows": 1024,
        "reference_sse": 211.24960327148438,
        "reference_energy": 827110.625
      },
      {
        "first_row": 35840,
        "rows": 1024,
        "reference_sse": 182.31137084960938,
        "reference_energy": 833002.625
      },
      {
        "first_row": 47104,
        "rows": 1024,
        "reference_sse": 172.35739135742188,
        "reference_energy": 378884.28125
      },
      {
        "first_row": 48128,
        "rows": 1024,
        "reference_sse": 150.84371948242188,
        "reference_energy": 400192.15625
      },
      {
        "first_row": 59392,
        "rows": 1024,
        "reference_sse": 202.19546508789062,
        "reference_energy": 806762.625
      },
      {
        "first_row": 60416,
        "rows": 1024,
        "reference_sse": 158.8946533203125,
        "reference_energy": 814983.3125
      },
      {
        "first_row": 71680,
        "rows": 1024,
        "reference_sse": 162.46826171875,
        "reference_energy": 823800.6875
      },
      {
        "first_row": 72704,
        "rows": 1024,
        "reference_sse": 157.29896545410156,
        "reference_energy": 831750.125
      },
      {
        "first_row": 83968,
        "rows": 1024,
        "reference_sse": 176.67984008789062,
        "reference_energy": 822289.5
      },
      {
        "first_row": 84992,
        "rows": 1024,
        "reference_sse": 209.48178100585938,
        "reference_energy": 387577.53125
      },
      {
        "first_row": 96256,
        "rows": 1024,
        "reference_sse": 162.18960571289062,
        "reference_energy": 395383.03125
      },
      {
        "first_row": 97280,
        "rows": 1024,
        "reference_sse": 163.88906860351562,
        "reference_energy": 834248.375
      }
    ]
  },
  "best_step": 5,
  "steps_run": 30,
  "history": [
    {
      "step": 5,
      "validation": {
        "target_rel": 0.003168485440774852,
        "reference_rel": 0.011063000923846449,
        "boundary_rel": 0.05550889044505697,
        "bulk_rel": 0.0031654583105023234,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.4504452738455549,
      "batch_loss": 0.22006617486476898,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 51.43458557128906,
      "adaptive_schedule": {
        "best": 0.003168485440774852,
        "drop_after": 25,
        "relative_worsening": 0.001,
        "checks": 3,
        "patience_updates": 10,
        "bad_checks": 0,
        "last_best": 5,
        "early_drop": false
      },
      "adaptive_stop": false,
      "quantized_movement": {
        "codebook_changed": 0,
        "codebook_values": 1482752,
        "scales_changed": 53138366,
        "scale_values": 53379072
      }
    },
    {
      "step": 10,
      "validation": {
        "target_rel": 0.0032778905499143535,
        "reference_rel": 0.011087226961134036,
        "boundary_rel": 0.05689806754709453,
        "bulk_rel": 0.0032748163782998726,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.46523893404818284,
      "batch_loss": 0.22302719205617905,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 120.58640599250793,
      "adaptive_schedule": {
        "best": 0.003168485440774852,
        "drop_after": 25,
        "relative_worsening": 0.001,
        "checks": 3,
        "patience_updates": 10,
        "bad_checks": 1,
        "last_best": 5,
        "early_drop": false
      },
      "adaptive_stop": false,
      "quantized_movement": {
        "codebook_changed": 36732,
        "codebook_values": 1482752,
        "scales_changed": 53169061,
        "scale_values": 53379072
      }
    },
    {
      "step": 15,
      "validation": {
        "target_rel": 0.0032880017455373944,
        "reference_rel": 0.011092331794801145,
        "boundary_rel": 0.05717499711387223,
        "bulk_rel": 0.0032849070674125574,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.4674465981982669,
      "batch_loss": 0.22311551496386528,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 168.9687819480896,
      "adaptive_schedule": {
        "best": 0.003168485440774852,
        "drop_after": 25,
        "relative_worsening": 0.001,
        "checks": 3,
        "patience_updates": 10,
        "bad_checks": 2,
        "last_best": 5,
        "early_drop": false
      },
      "adaptive_stop": false,
      "quantized_movement": {
        "codebook_changed": 37109,
        "codebook_values": 1482752,
        "scales_changed": 53196261,
        "scale_values": 53379072
      }
    },
    {
      "step": 20,
      "validation": {
        "target_rel": 0.003292181319195668,
        "reference_rel": 0.011094547223844895,
        "boundary_rel": 0.05730588260348048,
        "bulk_rel": 0.003289076349294548,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.468914554295751,
      "batch_loss": 0.2215222865343094,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 245.4065020084381,
      "adaptive_schedule": {
        "best": 0.003168485440774852,
        "drop_after": 20,
        "relative_worsening": 0.001,
        "checks": 3,
        "patience_updates": 10,
        "bad_checks": 3,
        "last_best": 5,
        "early_drop": true
      },
      "adaptive_stop": false,
      "quantized_movement": {
        "codebook_changed": 42483,
        "codebook_values": 1482752,
        "scales_changed": 53215817,
        "scale_values": 53379072
      }
    },
    {
      "step": 25,
      "validation": {
        "target_rel": 0.0032244280983021963,
        "reference_rel": 0.01107230887708894,
        "boundary_rel": 0.05637959295166659,
        "bulk_rel": 0.003221359455133493,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.45961673148636306,
      "batch_loss": 0.21750367805361748,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 294.8677988052368,
      "adaptive_schedule": {
        "best": 0.003168485440774852,
        "drop_after": 20,
        "relative_worsening": 0.001,
        "checks": 3,
        "patience_updates": 10,
        "bad_checks": 3,
        "last_best": 5,
        "early_drop": true
      },
      "adaptive_stop": false,
      "quantized_movement": {
        "codebook_changed": 19499,
        "codebook_values": 1482752,
        "scales_changed": 53217257,
        "scale_values": 53379072
      }
    },
    {
      "step": 30,
      "validation": {
        "target_rel": 0.0032467229154873817,
        "reference_rel": 0.011081462989785181,
        "boundary_rel": 0.05661072943042888,
        "bulk_rel": 0.0032436503846633765,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.4619936368380614,
      "batch_loss": 0.2040303386747837,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 373.578533411026,
      "adaptive_schedule": {
        "best": 0.003168485440774852,
        "drop_after": 20,
        "relative_worsening": 0.001,
        "checks": 3,
        "patience_updates": 10,
        "bad_checks": 3,
        "last_best": 5,
        "early_drop": true
      },
      "adaptive_stop": true,
      "quantized_movement": {
        "codebook_changed": 28098,
        "codebook_values": 1482752,
        "scales_changed": 53218215,
        "scale_values": 53379072
      }
    }
  ],
  "index_reassignments": [
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 354,
      "accepted": 260,
      "changed_groups": 78351,
      "training_before": 67.87330627441406,
      "training_after": 67.31243896484375,
      "acceptance": "proposal and separate training check batches",
      "step": 10
    },
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 356,
      "accepted": 259,
      "changed_groups": 100232,
      "training_before": 67.66422271728516,
      "training_after": 67.09251403808594,
      "acceptance": "proposal and separate training check batches",
      "step": 20
    },
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 354,
      "accepted": 266,
      "changed_groups": 68985,
      "training_before": 64.37869262695312,
      "training_after": 63.92146301269531,
      "acceptance": "proposal and separate training check batches",
      "step": 30
    }
  ],
  "coverage_threshold": 256,
  "checkpoint_selection": "held-out original reference trajectory for both arms",
  "world_size": 8,
  "microbatch": 65536,
  "proposal_communication": "sparse routed rows",
  "parallelism": "expert-sharded coupled output",
  "arithmetic": "fp4_planes4_fp16_boundaries_v1",
  "scope": "text-only, cached prompt partitions; historical audit is development only",
  "train_rows": 15007754,
  "validation_rows": 16384,
  "audit_rows": 16384,
  "complete": true
}