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| -rw-r--r-- | docs/campaign/CASCADE_ABLATION_PLAN.md | 18 |
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diff --git a/docs/campaign/CASCADE_ABLATION_PLAN.md b/docs/campaign/CASCADE_ABLATION_PLAN.md index 555f803..6859751 100644 --- a/docs/campaign/CASCADE_ABLATION_PLAN.md +++ b/docs/campaign/CASCADE_ABLATION_PLAN.md @@ -568,6 +568,24 @@ direction), not training-under-fault; wave-2 = co-training with faults injected +### RESULT 26 (2026-07-15): C512 ZERO-GAP SEALED — full-epoch centered erases the 0.050 gap. +stage1b_cent (C512 42.75M, --est centered whole epoch, bf_late 3e-3@15k, amp, seed 1, GPU0) +completed all 58800 steps: best val CE 1.2334. +| run | best | gap vs BP | +|---|---|---| +| BP twin (stage1b_bp_muon) | 1.2311 | — | +| stage1b_cent (THIS) | 1.2334 | +0.0023 << seed band ±0.006 -> STATISTICAL ZERO | +| cent tail-only arm (45-55k) | 1.2591 | +0.028 | +| original EP (plain, decay floor) | 1.2808 | +0.050 | +Decision tree (RESULT 23 pre-reg): strongest branch hit — the whole 0.050 was a +recipe/noise account. ZERO-GAP now holds at C128, C192, and C512 (C256/C384 tiers pending +seeds). The ladder's "fit-depth tax" is REMOVABLE by the window recipe at this scale. +Note: in-run gate_cos still declines late (wandb strip) while CE stays matched — third +confirmation that direction-cosine is not the CE-relevant metric (C128 lesson). +Cost: centered whole-epoch 1.72x. est_late would buy most of it back; the switch-point rule +is the remaining tuning question. fw72m_cent (35%, best 3.5560, leading by 0.24) tests the +same claim at 72M/FineWeb. + ### EXTERNAL NOTES (2026-07-15, user-relayed from a sibling Hopfield-EP library project): 1. Hard-sigmoid Hopfield needs state CLAMPING: units with drive>1 equilibrate exactly ON the rho breakpoint (sliding-mode equilibrium); unclamped discrete Euler chatters around it with |