{
  "layer": 44,
  "target": "same_input",
  "recipe": "full_corpus_sequence_pass_v1",
  "block_scale_dtype": "fp16",
  "residual_scale_shift": 0,
  "batch_tokens": 262144,
  "sequence_order_sha256": "5e0ef183802009d0483fe37a60f5acd49dd99218130e0c952f097fa473d863bf",
  "training_sequence_count": 14657,
  "training_passes": 0.5240171180844249,
  "training_tokens_seen": 7864320,
  "adaptive_schedule": {
    "best": 0.04553051376240955,
    "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": 1417216,
    "scales_changed": 50761339,
    "scale_values": 51019776
  },
  "initial_validation": {
    "target_rel": 0.04692071397880121,
    "reference_rel": 0.23686063018779382,
    "boundary_rel": 0.09672673858191758,
    "bulk_rel": 0.04689350552718751,
    "boundary_rows": 24,
    "windows": [
      {
        "first_row": 8192,
        "rows": 1024,
        "reference_sse": 143353.890625,
        "reference_energy": 4073140.0
      },
      {
        "first_row": 9216,
        "rows": 1024,
        "reference_sse": 151201.484375,
        "reference_energy": 2625728.75
      },
      {
        "first_row": 20480,
        "rows": 1024,
        "reference_sse": 144065.34375,
        "reference_energy": 4074161.5
      },
      {
        "first_row": 21504,
        "rows": 1024,
        "reference_sse": 183540.84375,
        "reference_energy": 2309273.5
      },
      {
        "first_row": 32768,
        "rows": 1024,
        "reference_sse": 300343.8125,
        "reference_energy": 4083456.5
      },
      {
        "first_row": 33792,
        "rows": 1024,
        "reference_sse": 278594.5,
        "reference_energy": 2384423.75
      },
      {
        "first_row": 45056,
        "rows": 1024,
        "reference_sse": 360588.4375,
        "reference_energy": 4032415.5
      },
      {
        "first_row": 46080,
        "rows": 1024,
        "reference_sse": 140754.5,
        "reference_energy": 3947712.25
      },
      {
        "first_row": 57344,
        "rows": 1024,
        "reference_sse": 357346.4375,
        "reference_energy": 4101612.5
      },
      {
        "first_row": 58368,
        "rows": 1024,
        "reference_sse": 133722.375,
        "reference_energy": 4088858.5
      },
      {
        "first_row": 69632,
        "rows": 1024,
        "reference_sse": 151329.3125,
        "reference_energy": 3899191.5
      },
      {
        "first_row": 70656,
        "rows": 1024,
        "reference_sse": 146988.359375,
        "reference_energy": 2546767.5
      },
      {
        "first_row": 81920,
        "rows": 1024,
        "reference_sse": 168825.9375,
        "reference_energy": 3971948.25
      },
      {
        "first_row": 82944,
        "rows": 1024,
        "reference_sse": 160755.125,
        "reference_energy": 2491716.0
      },
      {
        "first_row": 94208,
        "rows": 1024,
        "reference_sse": 155460.53125,
        "reference_energy": 3848995.75
      },
      {
        "first_row": 95232,
        "rows": 1024,
        "reference_sse": 109350.578125,
        "reference_energy": 2530558.0
      }
    ]
  },
  "final_validation": {
    "target_rel": 0.04553051376240955,
    "reference_rel": 0.2369053483338904,
    "boundary_rel": 0.0932432490695615,
    "bulk_rel": 0.04550456459895781,
    "boundary_rows": 24,
    "windows": [
      {
        "first_row": 8192,
        "rows": 1024,
        "reference_sse": 143466.375,
        "reference_energy": 4073140.0
      },
      {
        "first_row": 9216,
        "rows": 1024,
        "reference_sse": 151354.34375,
        "reference_energy": 2625728.75
      },
      {
        "first_row": 20480,
        "rows": 1024,
        "reference_sse": 144183.171875,
        "reference_energy": 4074161.5
      },
      {
        "first_row": 21504,
        "rows": 1024,
        "reference_sse": 183755.125,
        "reference_energy": 2309273.5
      },
      {
        "first_row": 32768,
        "rows": 1024,
        "reference_sse": 300126.6875,
        "reference_energy": 4083456.5
      },
      {
        "first_row": 33792,
        "rows": 1024,
        "reference_sse": 278767.9375,
        "reference_energy": 2384423.75
      },
      {
        "first_row": 45056,
        "rows": 1024,
        "reference_sse": 360549.25,
        "reference_energy": 4032415.5
      },
      {
        "first_row": 46080,
        "rows": 1024,
        "reference_sse": 140777.546875,
        "reference_energy": 3947712.25
      },
      {
        "first_row": 57344,
        "rows": 1024,
        "reference_sse": 357286.0,
        "reference_energy": 4101612.5
      },
      {
        "first_row": 58368,
        "rows": 1024,
        "reference_sse": 133731.015625,
        "reference_energy": 4088858.5
      },
      {
        "first_row": 69632,
        "rows": 1024,
        "reference_sse": 151534.34375,
        "reference_energy": 3899191.5
      },
      {
        "first_row": 70656,
        "rows": 1024,
        "reference_sse": 147076.09375,
        "reference_energy": 2546767.5
      },
      {
        "first_row": 81920,
        "rows": 1024,
        "reference_sse": 169129.125,
        "reference_energy": 3971948.25
      },
      {
        "first_row": 82944,
        "rows": 1024,
        "reference_sse": 160951.53125,
        "reference_energy": 2491716.0
      },
      {
        "first_row": 94208,
        "rows": 1024,
        "reference_sse": 155599.375,
        "reference_energy": 3848995.75
      },
      {
        "first_row": 95232,
        "rows": 1024,
        "reference_sse": 109098.984375,
        "reference_energy": 2530558.0
      }
    ]
  },
  "initial_reasoning_validation": null,
  "final_reasoning_validation": null,
  "validation_distribution": "reasoning only",
  "serialized_validation": {
    "target_rel": 0.04553051376240955,
    "reference_rel": 0.2369053483338904
  },
  "development_audit": {
    "target_rel": 0.06518811372465595,
    "reference_rel": 0.300605117651454,
    "boundary_rel": 0.07399271127201458,
    "bulk_rel": 0.06518673155767304,
    "boundary_rows": 10,
    "windows": [
      {
        "first_row": 10240,
        "rows": 1024,
        "reference_sse": 240157.140625,
        "reference_energy": 3849437.5
      },
      {
        "first_row": 11264,
        "rows": 1024,
        "reference_sse": 318079.625,
        "reference_energy": 3957588.75
      },
      {
        "first_row": 22528,
        "rows": 1024,
        "reference_sse": 393738.9375,
        "reference_energy": 2606785.5
      },
      {
        "first_row": 23552,
        "rows": 1024,
        "reference_sse": 294903.1875,
        "reference_energy": 2354240.5
      },
      {
        "first_row": 34816,
        "rows": 1024,
        "reference_sse": 248561.609375,
        "reference_energy": 4361700.5
      },
      {
        "first_row": 35840,
        "rows": 1024,
        "reference_sse": 233926.28125,
        "reference_energy": 4264191.5
      },
      {
        "first_row": 47104,
        "rows": 1024,
        "reference_sse": 233164.203125,
        "reference_energy": 2623075.0
      },
      {
        "first_row": 48128,
        "rows": 1024,
        "reference_sse": 405506.8125,
        "reference_energy": 2336629.75
      },
      {
        "first_row": 59392,
        "rows": 1024,
        "reference_sse": 275418.25,
        "reference_energy": 3949516.5
      },
      {
        "first_row": 60416,
        "rows": 1024,
        "reference_sse": 284100.4375,
        "reference_energy": 3882931.0
      },
      {
        "first_row": 71680,
        "rows": 1024,
        "reference_sse": 260096.671875,
        "reference_energy": 4144221.75
      },
      {
        "first_row": 72704,
        "rows": 1024,
        "reference_sse": 343251.53125,
        "reference_energy": 3930787.5
      },
      {
        "first_row": 83968,
        "rows": 1024,
        "reference_sse": 326913.375,
        "reference_energy": 3799932.5
      },
      {
        "first_row": 84992,
        "rows": 1024,
        "reference_sse": 416611.875,
        "reference_energy": 2318401.5
      },
      {
        "first_row": 96256,
        "rows": 1024,
        "reference_sse": 355677.25,
        "reference_energy": 2291481.0
      },
      {
        "first_row": 97280,
        "rows": 1024,
        "reference_sse": 309436.5625,
        "reference_energy": 3992159.0
      }
    ]
  },
  "initial_development_audit": {
    "target_rel": 0.06619412678515726,
    "reference_rel": 0.3005020921556329,
    "boundary_rel": 0.07447592048802344,
    "bulk_rel": 0.06619283253831498,
    "boundary_rows": 10,
    "windows": [
      {
        "first_row": 10240,
        "rows": 1024,
        "reference_sse": 240068.78125,
        "reference_energy": 3849437.5
      },
      {
        "first_row": 11264,
        "rows": 1024,
        "reference_sse": 317575.1875,
        "reference_energy": 3957588.75
      },
      {
        "first_row": 22528,
        "rows": 1024,
        "reference_sse": 393791.625,
        "reference_energy": 2606785.5
      },
      {
        "first_row": 23552,
        "rows": 1024,
        "reference_sse": 294683.8125,
        "reference_energy": 2354240.5
      },
      {
        "first_row": 34816,
        "rows": 1024,
        "reference_sse": 249059.21875,
        "reference_energy": 4361700.5
      },
      {
        "first_row": 35840,
        "rows": 1024,
        "reference_sse": 234212.75,
        "reference_energy": 4264191.5
      },
      {
        "first_row": 47104,
        "rows": 1024,
        "reference_sse": 233340.28125,
        "reference_energy": 2623075.0
      },
      {
        "first_row": 48128,
        "rows": 1024,
        "reference_sse": 405131.875,
        "reference_energy": 2336629.75
      },
      {
        "first_row": 59392,
        "rows": 1024,
        "reference_sse": 275392.125,
        "reference_energy": 3949516.5
      },
      {
        "first_row": 60416,
        "rows": 1024,
        "reference_sse": 283580.4375,
        "reference_energy": 3882931.0
      },
      {
        "first_row": 71680,
        "rows": 1024,
        "reference_sse": 260088.375,
        "reference_energy": 4144221.75
      },
      {
        "first_row": 72704,
        "rows": 1024,
        "reference_sse": 342907.0,
        "reference_energy": 3930787.5
      },
      {
        "first_row": 83968,
        "rows": 1024,
        "reference_sse": 326339.875,
        "reference_energy": 3799932.5
      },
      {
        "first_row": 84992,
        "rows": 1024,
        "reference_sse": 415845.90625,
        "reference_energy": 2318401.5
      },
      {
        "first_row": 96256,
        "rows": 1024,
        "reference_sse": 355173.375,
        "reference_energy": 2291481.0
      },
      {
        "first_row": 97280,
        "rows": 1024,
        "reference_sse": 308967.875,
        "reference_energy": 3992159.0
      }
    ]
  },
  "best_step": 5,
  "steps_run": 30,
  "history": [
    {
      "step": 5,
      "validation": {
        "target_rel": 0.04553051376240955,
        "reference_rel": 0.2369053483338904,
        "boundary_rel": 0.0932432490695615,
        "bulk_rel": 0.04550456459895781,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6229455245899023,
      "batch_loss": 0.36727820336818695,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 55.866466760635376,
      "adaptive_schedule": {
        "best": 0.04553051376240955,
        "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": 1417216,
        "scales_changed": 50761339,
        "scale_values": 51019776
      }
    },
    {
      "step": 10,
      "validation": {
        "target_rel": 0.046878587157968464,
        "reference_rel": 0.23685053494211208,
        "boundary_rel": 0.09678682333674447,
        "bulk_rel": 0.04685129510829595,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6367788427994306,
      "batch_loss": 0.3873578682541847,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 128.3360424041748,
      "adaptive_schedule": {
        "best": 0.04553051376240955,
        "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": 59656,
        "codebook_values": 1417216,
        "scales_changed": 50824180,
        "scale_values": 51019776
      }
    },
    {
      "step": 15,
      "validation": {
        "target_rel": 0.046621764887206686,
        "reference_rel": 0.23698593125792417,
        "boundary_rel": 0.09595919226367633,
        "bulk_rel": 0.046594841079348075,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6354562039672879,
      "batch_loss": 0.3658405914902687,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 177.46774530410767,
      "adaptive_schedule": {
        "best": 0.04553051376240955,
        "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": 44152,
        "codebook_values": 1417216,
        "scales_changed": 50854167,
        "scale_values": 51019776
      }
    },
    {
      "step": 20,
      "validation": {
        "target_rel": 0.04650167648761367,
        "reference_rel": 0.23695067119091764,
        "boundary_rel": 0.09656458393652734,
        "bulk_rel": 0.04647419266254108,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6366407844849324,
      "batch_loss": 0.374344564974308,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 249.77444124221802,
      "adaptive_schedule": {
        "best": 0.04553051376240955,
        "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": 44994,
        "codebook_values": 1417216,
        "scales_changed": 50869798,
        "scale_values": 51019776
      }
    },
    {
      "step": 25,
      "validation": {
        "target_rel": 0.045895535851758804,
        "reference_rel": 0.2368098153117425,
        "boundary_rel": 0.09497763944543397,
        "bulk_rel": 0.04586865382101248,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.6306295894454553,
      "batch_loss": 0.37420058250427246,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 302.90640020370483,
      "adaptive_schedule": {
        "best": 0.04553051376240955,
        "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": 23177,
        "codebook_values": 1417216,
        "scales_changed": 50872120,
        "scale_values": 51019776
      }
    },
    {
      "step": 30,
      "validation": {
        "target_rel": 0.046037619780782656,
        "reference_rel": 0.23688520319086365,
        "boundary_rel": 0.09507416341031574,
        "bulk_rel": 0.04601079932450825,
        "boundary_rows": 24
      },
      "reasoning_validation": null,
      "training_probe_rel": 0.632472033739638,
      "batch_loss": 0.3548133373260498,
      "best_step": 5,
      "overfit_checks": 0,
      "seconds": 374.3382375240326,
      "adaptive_schedule": {
        "best": 0.04553051376240955,
        "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": 33022,
        "codebook_values": 1417216,
        "scales_changed": 50872153,
        "scale_values": 51019776
      }
    }
  ],
  "index_reassignments": [
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 330,
      "accepted": 294,
      "changed_groups": 424153,
      "training_before": 52847.71484375,
      "training_after": 51904.765625,
      "acceptance": "proposal and separate training check batches",
      "step": 10
    },
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 336,
      "accepted": 286,
      "changed_groups": 334259,
      "training_before": 51287.6796875,
      "training_after": 50397.2578125,
      "acceptance": "proposal and separate training check batches",
      "step": 20
    },
    {
      "method": "expert_parallel_output_gradient_prefix_backtracking_v1",
      "proposals": 334,
      "accepted": 277,
      "changed_groups": 310822,
      "training_before": 47999.92578125,
      "training_after": 47324.5546875,
      "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
}