{
  "config": {
    "name": "tiny_p4v2",
    "vocab_size": 128,
    "d_model": 256,
    "n_layers": 6,
    "n_heads": 8,
    "n_kv_heads": 4,
    "ffn_width": 768,
    "max_seq_len": 320,
    "rope_theta": 10000.0,
    "norm_eps": 1e-05,
    "tie_embeddings": true,
    "init_std": 0.02,
    "use_workspace": true,
    "w": 64,
    "ffn_w": 192,
    "n_slots": 16,
    "n_editor_blocks": 2,
    "n_editor_heads": 2,
    "r_max": 8,
    "eta_max": 0.25,
    "clip_c": 1.0,
    "clip_eps": 1e-06,
    "readout_zero_init": false,
    "readout_init_std": 0.2,
    "readout_scale": 38.51451873779297,
    "controller_hidden": 0,
    "ctrl_input": "h",
    "ctrl_use_entropy": true,
    "lambda_cost": 0.3,
    "kappa_risk": 0.5,
    "dense_writes": false
  },
  "saved_at": "2026-10-30T00:50:30-0400",
  "run_id": "controller_v2s2_seed01_20261030004717",
  "parent": "experiments/runs/p4v2_prisme_seed02_20261030001749/checkpoint",
  "selected": {
    "lambda": 0.3,
    "kappa": 0.5,
    "loss": 0.4873708813215914,
    "edits_per_token": 0.020166073546856466,
    "extra_ops_ratio": 0.0021535491621649844,
    "loss_reduction": 3.514453892466962e-05,
    "reduction_per_ops": 0.016319357617700477
  },
  "locked": true,
  "weights_sha256": "809bef042a202eb089b8c2860bdd01a30faec25414290983bc7de06b17c27445"
}