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diff --git a/docs/campaign/CASCADE_ABLATION_PLAN.md b/docs/campaign/CASCADE_ABLATION_PLAN.md index d33f7b6..c74a8dd 100644 --- a/docs/campaign/CASCADE_ABLATION_PLAN.md +++ b/docs/campaign/CASCADE_ABLATION_PLAN.md @@ -568,6 +568,34 @@ direction), not training-under-fault; wave-2 = co-training with faults injected +### RESULT 48 (2026-07-18): BBP FLOOR AUDIT — the fp32 SIMULATOR has NO additive detectability floor (a=0 all layers, top-direction overlap 1.000 down to beta=3e-4); BBP becomes a HARDWARE design equation. +probe_bbp @plain s150000, 24 layers (qkv+w2 x12), 6 batches x beta {3e-4,1e-3,3e-3,1e-2}: +additive coefficient a = 0 within fit resolution EVERYWHERE; residual error is beta-independent +(b ~ 1-7e-7 entry-std, negligible vs sigma1(g) 0.002-0.01); u1-overlap 1.000 at all beta +(slight dip at 1e-2, e.g. 0.898 on b0.w2 = finite-beta bias, wall-2 leakage, NOT noise). +=> The empirical floor's benefit never came through the detectability channel (consistent with +the r-sweep multiplicative finding); the corridor closed from the CEILING side only. Wall-1-as- +BBP is real where noise IS additive iid: ANALOG readout. Design equation for T64: +beta*_l = a_HW(sqrt m + sqrt n)/sigma1(g_l), a_HW from ENOB 8.51b / 32uV window numbers -> +quantitative minimum-nudge spec ("big nudge free" upgraded from empirical to closed form). +Muon footnote: sub-threshold beta + msign orthogonalization = full-magnitude noise injection +(why the hard-bottom burn was toxic: gn pinned ~0.3 by normalization, cos -0.76). + +### RESULT 47 (2026-07-18): THE GROWING QUANTITY NAMED — one relaxation mode living in blocks 8-11 (90% of residual mass, BOTH lineages); its gain crosses 1 at ~205-210k in plain, flat in cent. Weight-space and free-state audits both exonerated. +Three-probe chain: (1) specaudit (weights): ALL spectral scales flat-to-falling; survivor cent +carries LARGER vpath/ffn/logit maxima; qk-gain creep +3% both lineages pre-collapse -> weights +exonerated. (2) statej (free-state per-block sigma(J), FD-JVP): chain-product hypothesis +REFUTED — cent@230k product (3.1e16) exceeds plain@death (3.9e16 @195k) and sails; free-state +norms don't discriminate. (3) rhorelax (governor meter replicated offline, K=30, fixed batch): +res0 plain 0.0020->0.0031 (2.1x cent's flat 0.0015) pre-collapse, 0.0093@210k (rho_tail 1.02, +non-contracting), 0.44/divergent@230k; cent converges ~1e-6 at every step through 230k. +MODE PROFILE: 0.15/0.21/0.26/0.28 on blocks 8-11 — identical in both lineages at all steps. +Same structure as RESULT 44's gap localization: finite mode gain = transmission error (CE gap); +gain->1 = corridor death. One object, two symptoms. State-side discriminator: b8 max|logit| +runs away in plain (70->94 by 195k) vs bounded <=80 in cent (statej data). +TARGETED 1.0x CANDIDATE: logit softcap on blocks 8-11 only (~50*tanh(l/50); healthy p99.9 +~30-50 -> cap inactive except on the runaway tail). Test = one s190000 resume arm, 4h. + ### RESULT 46 (2026-07-18): ENDGAME-42 TABLE — BP is lr-robust (reference stands); plain@3e3 honest 3-seed gap +0.042; ride's edge is MID-phase only. Late probes (cent s150000 -> 160k): fix_late 3.4448 vs rv2as_late 3.4464 — tie/fade (mid-stage ride won by 0.004; late it buys nothing). Riding harvests only where floor << ceiling; late-phase |