{
  "args": {
    "shards": "0-3",
    "n_pairs": 20000,
    "joiner": " ",
    "n_decode": 200,
    "device": "cuda",
    "out": "/workspace/tmp-research/exp4b_rrole_ablate_composition.json"
  },
  "D": 1024,
  "n_pairs": 20000,
  "n_train": 17000,
  "n_test": 3000,
  "polar_convention": "W=Q.S right-polar; Q=U Vt, S=Vt^T diag(Sig) Vt from SVD W=U Sig Vt",
  "baseline": {
    "cos": 0.8893,
    "r2": 0.7697
  },
  "polar_check": {
    "QS_recon_rel_err_A": 0.000871,
    "QS_recon_rel_err_B": 0.000867,
    "det_QA": -1.0,
    "det_QB": -1.0,
    "orthnorm_A": 0.01148,
    "mean_singular_A": 0.6004,
    "mean_singular_B": 0.5836
  },
  "ablate_QtoI_Sonly": {
    "cos": 0.6966,
    "r2": 0.3568
  },
  "control_cQ_scaled_orth": {
    "cos": 0.8126,
    "r2": 0.6267
  },
  "control_Qonly_noscale": {
    "cos": 0.8153,
    "r2": 0.3796
  },
  "ablate_symPSD_proj": {
    "cos": 0.7945,
    "r2": 0.5932
  },
  "ablate_symmetric_part": {
    "cos": 0.8112,
    "r2": 0.6236
  },
  "alpha_beta": [
    0.4795,
    0.4576
  ],
  "simplification_ladder": {
    "full_W_baseline": {
      "cos": 0.8893,
      "r2": 0.7697
    },
    "S_only_QtoI": {
      "cos": 0.6966,
      "r2": 0.3568
    },
    "diag_only": {
      "cos": 0.6459,
      "r2": 0.3602
    },
    "scalar_pair": {
      "cos": 0.6289,
      "r2": 0.3356
    },
    "mean_zA_zB": {
      "cos": 0.6287,
      "r2": 0.3338
    }
  },
  "deltas_cos_vs_baseline": {
    "QtoI_Sonly": -0.1927,
    "symPSD_proj": -0.0948,
    "cQ_keepQ_dropS": -0.0767,
    "Qonly_noscale": -0.074,
    "diag_only": -0.2434,
    "scalar_pair": -0.2604
  },
  "decode": {
    "true_concat_z": {
      "sim_to_concat": 0.9742,
      "sim_to_A": 0.8204,
      "sim_to_B": 0.6927,
      "example": "As the situation in the Middle East continues to unfold, we will provide updates and analysis on the key issues and developments affecting t"
    },
    "baseline_full_W": {
      "sim_to_concat": 0.9312,
      "sim_to_A": 0.7996,
      "sim_to_B": 0.6657,
      "example": "As the situation in the Middle East continues to unfold, we will be providing up-to-date analyses and developments on the key issues and sit"
    },
    "ablate_QtoI_Sonly": {
      "sim_to_concat": 0.7513,
      "sim_to_A": 0.6709,
      "sim_to_B": 0.6095,
      "example": "In the meantime, as the situation in the Middle East continues to unravel, we will continue to reflect on the situation in Yemen, and we wil"
    },
    "symPSD_proj": {
      "sim_to_concat": 0.7617,
      "sim_to_A": 0.7099,
      "sim_to_B": 0.5668,
      "example": "Meanwhile, as the situation in the Middle East continues to unfold, we will be providing insights into the situation and developments in the"
    },
    "control_cQ": {
      "sim_to_concat": 0.8278,
      "sim_to_A": 0.7496,
      "sim_to_B": 0.5993,
      "example": "While the situation in the Middle East continues to develop, we will provide updates and critical analyses on the situation in the Middle Ea"
    },
    "mean_baseline": {
      "sim_to_concat": 0.7175,
      "sim_to_A": 0.6243,
      "sim_to_B": 0.6425,
      "example": "Meanwhile, the situation in the Middle East is unfolding, and we are receiving reports and information on the major conflicts and economic d"
    },
    "ref_example": "As the situation in the Middle East continues to unfold, we will provide updates and analysis on the key issues and developments affecting t"
  },
  "decode_delta_SBERT_QtoI": -0.1799,
  "decode_delta_SBERT_symPSD": -0.1695,
  "verdict": {
    "prediction": "Q->I (R_role removed, keep S) costs ~nothing: held-out cos & decode-SBERT drop <0.02 cos; R_role vestigial even in home turf; load-bearing part is S.",
    "baseline_cos": 0.8893,
    "Sonly_cos": 0.6966,
    "delta_cos_QtoI": -0.1927,
    "baseline_decode_SBERT_concat": 0.9312,
    "Sonly_decode_SBERT_concat": 0.7513,
    "delta_decode_SBERT_QtoI": -0.1799,
    "control_keepQ_dropS_cos": 0.8126,
    "FALSIFIED": true,
    "falsifier_rule": "Q->I drops cos by >0.05 OR decode-SBERT materially => R_role real"
  },
  "runtime_s": 362.1
}