{
  "layer": 36,
  "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": 0.033030121256077974,
    "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": 1400832,
    "scales_changed": 50192919,
    "scale_values": 50429952
  },
  "initial_validation": {
    "target_rel": 0.0338935411991917,
    "reference_rel": 0.17008937074071434,
    "boundary_rel": 0.09689228230917149,
    "bulk_rel": 0.03387882579847256,
    "boundary_rows": 24,
    "windows": [
      {
        "first_row": 8192,
        "rows": 1024,
        "reference_sse": 27966.154296875,
        "reference_energy": 3250550.25
      },
      {
        "first_row": 9216,
        "rows": 1024,
        "reference_sse": 31482.76953125,
        "reference_energy": 1769258.5
      },
      {
        "first_row": 20480,
        "rows": 1024,
        "reference_sse": 33717.578125,
        "reference_energy": 3225540.75
      },
      {
        "first_row": 21504,
        "rows": 1024,
        "reference_sse": 33119.91015625,
        "reference_energy": 1593987.0
      },
      {
        "first_row": 32768,
        "rows": 1024,
        "reference_sse": 211227.71875,
        "reference_energy": 3196260.0
      },
      {
        "first_row": 33792,
        "rows": 1024,
        "reference_sse": 146349.5625,
        "reference_energy": 1642760.0
      },
      {
        "first_row": 45056,
        "rows": 1024,
        "reference_sse": 254064.59375,
        "reference_energy": 3244071.5
      },
      {
        "first_row": 46080,
        "rows": 1024,
        "reference_sse": 33864.63671875,
        "reference_energy": 3160690.5
      },
      {
        "first_row": 57344,
        "rows": 1024,
        "reference_sse": 242173.046875,
        "reference_energy": 3271503.0
      },
      {
        "first_row": 58368,
        "rows": 1024,
        "reference_sse": 25623.75,
        "reference_energy": 3261438.75
      },
      {
        "first_row": 69632,
        "rows": 1024,
        "reference_sse": 29915.509765625,
        "reference_energy": 3140606.0
      },
      {
        "first_row": 70656,
        "rows": 1024,
        "reference_sse": 32053.6875,
        "reference_energy": 1713116.625
      },
      {
        "first_row": 81920,
        "rows": 1024,
        "reference_sse": 34933.1796875,
        "reference_energy": 3227670.5
      },
      {
        "first_row": 82944,
        "rows": 1024,
        "reference_sse": 34132.62109375,
        "reference_energy": 1750685.75
      },
      {
        "first_row": 94208,
        "rows": 1024,
        "reference_sse": 31914.6953125,
        "reference_energy": 3142953.5
      },
      {
        "first_row": 95232,
        "rows": 1024,
        "reference_sse": 22145.03515625,
        "reference_energy": 1741011.375
      }
    ]
  },
  "final_validation": {
    "target_rel": 0.033030121256077974,
    "reference_rel": 0.17015272013168745,
    "boundary_rel": 0.09344107328561099,
    "bulk_rel": 0.033016119203120434,
    "boundary_rows": 24,
    "windows": [
      {
        "first_row": 8192,
        "rows": 1024,
        "reference_sse": 27883.74609375,
        "reference_energy": 3250550.25
      },
      {
        "first_row": 9216,
        "rows": 1024,
        "reference_sse": 31539.80078125,
        "reference_energy": 1769258.5
      },
      {
        "first_row": 20480,
        "rows": 1024,
        "reference_sse": 33741.640625,
        "reference_energy": 3225540.75
      },
      {
        "first_row": 21504,
        "rows": 1024,
        "reference_sse": 33211.8125,
        "reference_energy": 1593987.0
      },
      {
        "first_row": 32768,
        "rows": 1024,
        "reference_sse": 211257.578125,
        "reference_energy": 3196260.0
      },
      {
        "first_row": 33792,
        "rows": 1024,
        "reference_sse": 146456.46875,
        "reference_energy": 1642760.0
      },
      {
        "first_row": 45056,
        "rows": 1024,
        "reference_sse": 254119.890625,
        "reference_energy": 3244071.5
      },
      {
        "first_row": 46080,
        "rows": 1024,
        "reference_sse": 33890.96875,
        "reference_energy": 3160690.5
      },
      {
        "first_row": 57344,
        "rows": 1024,
        "reference_sse": 242286.25,
        "reference_energy": 3271503.0
      },
      {
        "first_row": 58368,
        "rows": 1024,
        "reference_sse": 25716.421875,
        "reference_energy": 3261438.75
      },
      {
        "first_row": 69632,
        "rows": 1024,
        "reference_sse": 29994.671875,
        "reference_energy": 3140606.0
      },
      {
        "first_row": 70656,
        "rows": 1024,
        "reference_sse": 32153.92578125,
        "reference_energy": 1713116.625
      },
      {
        "first_row": 81920,
        "rows": 1024,
        "reference_sse": 34992.5234375,
        "reference_energy": 3227670.5
      },
      {
        "first_row": 82944,
        "rows": 1024,
        "reference_sse": 34248.375,
        "reference_energy": 1750685.75
      },
      {
        "first_row": 94208,
        "rows": 1024,
        "reference_sse": 32022.263671875,
        "reference_energy": 3142953.5
      },
      {
        "first_row": 95232,
        "rows": 1024,
        "reference_sse": 22080.54296875,
        "reference_energy": 1741011.375
      }
    ]
  },
  "initial_reasoning_validation": null,
  "final_reasoning_validation": null,
  "validation_distribution": "reasoning only",
  "serialized_validation": {
    "target_rel": 0.033030121256077974,
    "reference_rel": 0.17015272013168745
  },
  "development_audit": {
    "target_rel": 0.04186473769904048,
    "reference_rel": 0.18061284565040345,
    "boundary_rel": 0.06431465711495112,
    "bulk_rel": 0.041863385624407105,
    "boundary_rows": 10,
    "windows": [
      {
        "first_row": 10240,
        "rows": 1024,
        "reference_sse": 61360.7890625,
        "reference_energy": 3128568.5
      },
      {
        "first_row": 11264,
        "rows": 1024,
        "reference_sse": 79430.1015625,
        "reference_energy": 3256378.0
      },
      {
        "first_row": 22528,
        "rows": 1024,
        "reference_sse": 192842.46875,
        "reference_energy": 1823918.75
      },
      {
        "first_row": 23552,
        "rows": 1024,
        "reference_sse": 76623.359375,
        "reference_energy": 1707901.0
      },
      {
        "first_row": 34816,
        "rows": 1024,
        "reference_sse": 56301.87890625,
        "reference_energy": 3346215.25
      },
      {
        "first_row": 35840,
        "rows": 1024,
        "reference_sse": 56806.8046875,
        "reference_energy": 3342192.75
      },
      {
        "first_row": 47104,
        "rows": 1024,
        "reference_sse": 57651.3359375,
        "reference_energy": 1720555.875
      },
      {
        "first_row": 48128,
        "rows": 1024,
        "reference_sse": 175405.625,
        "reference_energy": 1750829.75
      },
      {
        "first_row": 59392,
        "rows": 1024,
        "reference_sse": 64053.0234375,
        "reference_energy": 3228773.75
      },
      {
        "first_row": 60416,
        "rows": 1024,
        "reference_sse": 75092.421875,
        "reference_energy": 3134175.0
      },
      {
        "first_row": 71680,
        "rows": 1024,
        "reference_sse": 65971.421875,
        "reference_energy": 3276145.5
      },
      {
        "first_row": 72704,
        "rows": 1024,
        "reference_sse": 96124.921875,
        "reference_energy": 3180624.5
      },
      {
        "first_row": 83968,
        "rows": 1024,
        "reference_sse": 74936.2421875,
        "reference_energy": 3186686.0
      },
      {
        "first_row": 84992,
        "rows": 1024,
        "reference_sse": 101402.5703125,
        "reference_energy": 1640011.25
      },
      {
        "first_row": 96256,
        "rows": 1024,
        "reference_sse": 81568.4375,
        "reference_energy": 1744789.625
      },
      {
        "first_row": 97280,
        "rows": 1024,
        "reference_sse": 77727.078125,
        "reference_energy": 3243938.0
      }
    ]
  },
  "initial_development_audit": {
    "target_rel": 0.04267601948819134,
    "reference_rel": 0.1806424046234033,
    "boundary_rel": 0.06498091127081354,
    "bulk_rel": 0.042674682975147184,
    "boundary_rows": 10,
    "windows": [
      {
        "first_row": 10240,
        "rows": 1024,
        "reference_sse": 61340.19140625,
        "reference_energy": 3128568.5
      },
      {
        "first_row": 11264,
        "rows": 1024,
        "reference_sse": 79401.640625,
        "reference_energy": 3256378.0
      },
      {
        "first_row": 22528,
        "rows": 1024,
        "reference_sse": 192941.15625,
        "reference_energy": 1823918.75
      },
      {
        "first_row": 23552,
        "rows": 1024,
        "reference_sse": 76697.3125,
        "reference_energy": 1707901.0
      },
      {
        "first_row": 34816,
        "rows": 1024,
        "reference_sse": 56562.015625,
        "reference_energy": 3346215.25
      },
      {
        "first_row": 35840,
        "rows": 1024,
        "reference_sse": 56909.859375,
        "reference_energy": 3342192.75
      },
      {
        "first_row": 47104,
        "rows": 1024,
        "reference_sse": 57809.18359375,
        "reference_energy": 1720555.875
      },
      {
        "first_row": 48128,
        "rows": 1024,
        "reference_sse": 175334.90625,
        "reference_energy": 1750829.75
      },
      {
        "first_row": 59392,
        "rows": 1024,
        "reference_sse": 64134.34375,
        "reference_energy": 3228773.75
      },
      {
        "first_row": 60416,
        "rows": 1024,
        "reference_sse": 75050.1796875,
        "reference_energy": 3134175.0
      },
      {
        "first_row": 71680,
        "rows": 1024,
        "reference_sse": 66079.765625,
        "reference_energy": 3276145.5
      },
      {
        "first_row": 72704,
        "rows": 1024,
        "reference_sse": 96117.9375,
        "reference_energy": 3180624.5
      },
      {
        "first_row": 83968,
        "rows": 1024,
        "reference_sse": 74871.1875,
        "reference_energy": 3186686.0
      },
      {
        "first_row": 84992,
        "rows": 1024,
        "reference_sse": 101323.609375,
        "reference_energy": 1640011.25
      },
      {
        "first_row": 96256,
        "rows": 1024,
        "reference_sse": 81500.203125,
        "reference_energy": 1744789.625
      },
      {
        "first_row": 97280,
        "rows": 1024,
        "reference_sse": 77681.078125,
        "reference_energy": 3243938.0
      }
    ]
  },
  "best_step": 5,
  "steps_run": 30,
  "history": [
    {
      "step": 5,
      "validation": {
        "target_rel": 0.033030121256077974,
        "reference_rel": 0.17015272013168745,
        "boundary_rel": 0.09344107328561099,
        "bulk_rel": 0.033016119203120434,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6192144977117674,
      "batch_loss": 0.3614218160510063,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 61.8597412109375,
      "adaptive_schedule": {
        "best": 0.033030121256077974,
        "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": 1400832,
        "scales_changed": 50192919,
        "scale_values": 50429952
      }
    },
    {
      "step": 10,
      "validation": {
        "target_rel": 0.033744777896933385,
        "reference_rel": 0.17007206236087338,
        "boundary_rel": 0.09545538047254375,
        "bulk_rel": 0.033730475813520726,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6304049649521271,
      "batch_loss": 0.3850177153944969,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 128.48067688941956,
      "adaptive_schedule": {
        "best": 0.033030121256077974,
        "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": 51489,
        "codebook_values": 1400832,
        "scales_changed": 50239470,
        "scale_values": 50429952
      }
    },
    {
      "step": 15,
      "validation": {
        "target_rel": 0.033698712939078314,
        "reference_rel": 0.17018753641987225,
        "boundary_rel": 0.09506664783566009,
        "bulk_rel": 0.033684518598255705,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6304562894125435,
      "batch_loss": 0.3672621175646782,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 180.2642674446106,
      "adaptive_schedule": {
        "best": 0.033030121256077974,
        "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": 45405,
        "codebook_values": 1400832,
        "scales_changed": 50266771,
        "scale_values": 50429952
      }
    },
    {
      "step": 20,
      "validation": {
        "target_rel": 0.03359837580150647,
        "reference_rel": 0.1701534449335857,
        "boundary_rel": 0.09471160039349225,
        "bulk_rel": 0.03358424799690186,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6307838401162885,
      "batch_loss": 0.372405044734478,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 252.24486184120178,
      "adaptive_schedule": {
        "best": 0.033030121256077974,
        "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": 45847,
        "codebook_values": 1400832,
        "scales_changed": 50282196,
        "scale_values": 50429952
      }
    },
    {
      "step": 25,
      "validation": {
        "target_rel": 0.03325617752139715,
        "reference_rel": 0.17007583292166478,
        "boundary_rel": 0.09379952617020071,
        "bulk_rel": 0.03324217561057544,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6255737365551888,
      "batch_loss": 0.37612131983041763,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 302.36323380470276,
      "adaptive_schedule": {
        "best": 0.033030121256077974,
        "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": 24485,
        "codebook_values": 1400832,
        "scales_changed": 50284604,
        "scale_values": 50429952
      }
    },
    {
      "step": 30,
      "validation": {
        "target_rel": 0.033358628183371576,
        "reference_rel": 0.17013581087180277,
        "boundary_rel": 0.09387062104280906,
        "bulk_rel": 0.03334465751930679,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6270622751944768,
      "batch_loss": 0.35670506954193115,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 369.03250336647034,
      "adaptive_schedule": {
        "best": 0.033030121256077974,
        "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": 34219,
        "codebook_values": 1400832,
        "scales_changed": 50284471,
        "scale_values": 50429952
      }
    }
  ],
  "index_reassignments": [
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 328,
      "accepted": 297,
      "changed_groups": 522334,
      "training_before": 19955.9609375,
      "training_after": 19616.1796875,
      "acceptance": "proposal and separate training check batches",
      "step": 10
    },
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 330,
      "accepted": 247,
      "changed_groups": 413434,
      "training_before": 19111.43359375,
      "training_after": 18828.88671875,
      "acceptance": "proposal and separate training check batches",
      "step": 20
    },
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 326,
      "accepted": 240,
      "changed_groups": 391300,
      "training_before": 18533.01953125,
      "training_after": 18259.236328125,
      "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
}