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diff --git a/docs/campaign/CASCADE_ABLATION_PLAN.md b/docs/campaign/CASCADE_ABLATION_PLAN.md index 4cd5f3a..21661f7 100644 --- a/docs/campaign/CASCADE_ABLATION_PLAN.md +++ b/docs/campaign/CASCADE_ABLATION_PLAN.md @@ -568,6 +568,27 @@ direction), not training-under-fault; wave-2 = co-training with faults injected +### RESULT 56 (2026-07-21): BSIGN CROWN SEALED 3.3349 — THE 1.0x-COST CROWN EXISTS; the +sink is BIAS-DRIVEN (user's "no effect" bet resolved AGAINST, happily). Sign randomization +alone (Scellier-Bengio random nudge sign, one flag, zero extra phases) held the corridor for +the FULL 234k schedule with ZERO guard events end to end (d-telemetry 0 at every step, under +the STRICTER res-alone gate in silent mode) — where plain2 (identical recipe minus the sign +flip) skip-stormed from 217k (84-89%/step, 12840 events, training frozen after 199.8k). +LADDER: cent 3.3318 (1.67x) | bsign 3.3349 (1.0x) | plain2 3.3437 (1.0x, stalled@200k) | +c190 hybrid 3.3732. bsign TIES the centered crown within 0.003 (noise) at 60% of its cost. +best@203.7k — the SAME dip step as cent's best; endgame keeps taking updates (val ~3.46 at +234k, healthy oscillation, final gate cos 0.9958). sigma trajectory identical to plain/plain2 +(475 endgame) => sigma exonerated again; the causal chain closes: single-sided systematic bias +(measured 0.3-1%@3e-3, RESULT 55) -> trajectory steering -> ceiling collapse; remove the bias +in EXPECTATION (per-step sign flip) and the collapse never comes. The entire controller saga's +answer was a coin flip on beta's sign. Note vs BP: bsign gap 0.047 vs cent's 0.043 — cent +remains the flagship gap number; bsign is the cost claim. +NEXT: fw72m_bsign_s2 LAUNCHED (seed discipline — three single-seed crowns have been retired +this campaign; no external claim before n>=2). PSIGN (per-sample sign, RESULT 55-verified +unbiased, batch-averaged) = the scale-native production form, candidate recipe for the 300M +stage. Ratchet arm continues as the no-debiasing control (its staircase should track the +bias-driven sink that bsign no longer has). + ### RESULT 55 (2026-07-20): SINGLE-SIDED BIAS DIRECTLY QUANTIFIED (the BBP-thread gap) — real, linear in beta, 0.3-1% of grad norm @3e-3; PER-SAMPLE SIGN + BATCH AVERAGE = UNBIASED (user's claim VERIFIED at zero measurable cost). |