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2026-07-09cascade root cause found: tied readout + default N(0,1) embedding init = ↵Yuren Hao
pathological top-CE stiffness once predictions sharpen (sigma_tok~76 vs GPT-standard 0.02 giving ~1.6); add --untie and --tok_init; diag arms A/B/C Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-09casc_eq_train v4: quality-governed estimator — periodic measured ↵Yuren Hao
cos(EP,BP) drives K/beta (spend when quality drops, relax when abundant); guards reduced to sanity-only Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-09casc_eq_train v3: adaptive beta (tok-sigma stiffness compensation), ↵Yuren Hao
adaptive-K fb with contraction test, non-contraction bail, in-training cos(EP,BP) telemetry Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-09cascade equilibrium solver solved: fb (forward-backward message passing) K=3 ↵Yuren Hao
beta=0.003 — gates 1.0000/0.9990/0.9946 across BP trajectory, L12 0.9999; trainer v2 single-sided EP readout + divergence guard (~5x BP) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-09casc_eq_train: equilibrium-mode cascade-EP trainer (GS-reverse solver K ↵Yuren Hao
sweeps, two-phase ±β, EP readout at relaxed states) — the true-EP route C1 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-18 23:05:36 +0000