=== 4-METHOD AUDIT (BP,EP,SB,CB only): d=512 L=2, seeds 1,2,5 ===
FA and DFA already in results/fa_dfa_d512_L2_seed{1,2,5}/
Start: Sun Apr 26 09:01:32 AM CDT 2026

  seed=1 (Sun Apr 26 09:01:32 AM CDT 2026)
Using device: cuda:0

============================================================
Seed 1
============================================================

--- BP ---
  [BP] Epoch 1: loss=1.9296, train=0.3129, test=0.3920
  [BP] Epoch 10: loss=1.3859, train=0.4995, test=0.5210
  [BP] Epoch 20: loss=1.2614, train=0.5473, test=0.5560
  [BP] Epoch 30: loss=1.1744, train=0.5783, test=0.5708