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2026-07-15Stage-0 gate #1: --qup_bits (absolute-grid stochastic-rounding weight ↵Yuren Hao
quantization = finite analog cell levels); qup8/qup6/qup10 arms launched on GPU0 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15RESULT 27: K-saturation across training stages — K3=K8 at s5k/50k/100k; ↵Yuren Hao
fixed-point bias (not truncation) grows; answers Alexi's more-nudges challenge Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15ERRATUM RESULT 21: original best 3.7117 was @104.8k not @185k — 90k-step ↵Yuren Hao
wall-1 plateau before the wall-2 blow; figure + deck rebuilt Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15RESULT 26: C512 ZERO-GAP SEALED — stage1b_cent 1.2334 vs BP 1.2311 ↵Yuren Hao
(+0.0023, inside seed band); the 0.050 gap was recipe/noise Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15External notes: sliding-mode clamping (Stage-0 injection rule), ↵Yuren Hao
saturated-unit EP-BPTT divergence (smooth-gate methods rule), momentum-bias unification with RESULT 22 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15assets/: organize into decks|figs|hw|refs|misc; scripts + gitignore repointedYuren Hao
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15Alexi primer deck: 10 slides (arch op-by-op, EP phases, ↵Yuren Hao
schedule/parallelism, 72M blowup from real logs, loop-gain + beta-window hypotheses, diagnostics table, in-flight outcomes, $50k ladder) + figure scripts Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15centfast (doubled-batch +/-beta centered, cos 1.000000000 vs sequential, ↵Yuren Hao
DDP-verified) + est_late/est_late_at (tail-only centered); quiet bench: 1.72x -> 1.64x, est_late@80% -> ~1.13x amortized Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15RESULT 25: bias decomposition probe — 100% between-block transmission ↵Yuren Hao
(TRANS=EP 0.9987, ANCHOR=1.0000, K1=BP exactly, K3=K8 saturated) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-15RESULT 23 verdict: gap tracks FIT DEPTH not width — all registered ↵Yuren Hao
hypotheses falsified (C128 zero-gap at cos 0.805); fw72m_cent live at 1.95 it/s Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14RESULT 24: fw72m_cent pre-registration (centered crown rerun, bcap-v3 0.9, ↵Yuren Hao
gradtest 0.9999877 gate passed, chained behind ladder) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14RESULT 22 arms7 verdict (centered@3e-3 wins tail-SNR, momentum refuted) + ↵Yuren Hao
RESULT 23 gap-scaling pre-registration; ladder launched GPU1+GPU3 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14sync: add stage1b_bp_muon (42M BP twin) to TS project + report runsetYuren Hao
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14sync: negative-cos regex fix, f3e3cont log mapping, SYNC_ID_SUFFIX; full ↵Yuren Hao
inventory verified green Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14RESULT 21: crown sealed — 72.11M x 1.44B tokens fully BP-free (largest to ↵Yuren Hao
date), gen gate passed on FineWeb; casc_gen data-aware Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14wandb reorganized: per-regime team projects (ept-tinystories-42m / ↵Yuren Hao
ept-fineweb-72m), auto project routing in trainers, split replay + reports Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14wandb -> team entity eqprop-llm-training (trainers + full-history replay script)Yuren Hao
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14bcap v2: absolute-scale gate on rho meter (fixes v1 noise-floor starvation), ↵Yuren Hao
gentler attack 0.85/floor 0.05; crown c2 relaunched from s215000 with cap armed Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14RESULT 20: wall-zone verdicts — damping refuted (3 witnesses, monotone ↵Yuren Hao
spectrum), beta-down sails, bcap v1 starves (meter noise floor); crown completion + arms7 launched Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14RESULT 19: wall-2 loop-gain theory, beta window formalism, probe ↵Yuren Hao
mid-verdicts, three new controllers Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14beta-cap-by-loop-gain controller (--beta_cap_rho): rho^ meter from sweep ↵Yuren Hao
residuals, cap OVERRIDES floor near the wall; smoke passed Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14Adaptive relax (--relax_tol): sweep-to-tolerance + rho-triggered geta ↵Yuren Hao
backtracking + final full-step graphed round (E-read identity fix: mixing leaked iteration residual into E, gn 1e5); kuse telemetry; paired smoke at wall ckpt: adaptive cos 0.771 vs legacy 0.754 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-14RESULT 18: wall-2 returns at 72M/FineWeb 195k (drift crossing, beta-stress ↵Yuren Hao
confirmed by f3e3); runs killed, geta fix probes launched from s195000 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13Estimator arms machinery: --est centered/richardson (two-pass, O(b^2) bias), ↵Yuren Hao
--muon_mom/--adam_b1 knobs; smoke passed (resume+centered cos 0.998) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13Fix swallowed --wandb_run arg (replace-comment bug); wandb default-on intactYuren Hao
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13wandb ON by default in both trainers (project ept-cascade); BP twin gains ↵Yuren Hao
--amp; fw72m_bp launched GPU1 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13TinyEP hostile audit archived: DEAD per own claim class, SURVIVES-DEGRADED ↵Yuren Hao
rescoped; portable gold = tied-KV DenseAM energy + same-cell bidirectional access Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13Intercept: Shanbhag draft A superseded — die modes answered NO on ↵Yuren Hao
published record, ask inverted Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13M-scale supply-chain down-select (20-agent): null demolished (UIUC die modes ↵Yuren Hao
= NO on published record), T64 MDAC winner, grade ceiling B-, claim ruling + GPT TinyEP proposal archived Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-1318-agent adversarial substrate down-select: incumbent CONFIRMED-MODIFIED ↵Yuren Hao
(-260), step-0 fault gates, refined partner asks Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13fw72m crown run launched (NCCL DDP prod), exact resume (opt state), RESULT ↵Yuren Hao
17, shuffle+prep scripts Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13Manual DDP for cascade-EP: guard-synced (drift/kretry via global max, gn on ↵Yuren Hao
reduced grads), sigma broadcast, per-rank data RNG, None-preserving flat all-reduce, bitwise param sync-check, grad-equivalence test PASSED (cos 0.999999999 vs single-GPU big batch) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13RESULT 16: FineWeb-Edu pipeline live + smoke passed (CE 10.5->5.8, cos ↵Yuren Hao
0.9995, zero skips) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-13Stage-2 data pipeline: FineWeb-Edu sample-10BT -> 32k BPE -> bins; --data ↵Yuren Hao
flag on both trainers Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12stage1b_amp epoch confirm SEALED: 1.2868 vs fp32 1.2808, zero guards, 1.56x heldYuren Hao
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12Draft 7: reply to Ben's Overleaf-comments email (slop critique accepted, ↵Yuren Hao
two-papers class-boundary framing) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12Outreach signature resolved: name only, no titleYuren Hao
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12Hardware outreach v2: gate lifted, clockless-MVP story, Dillavou wave-1, ↵Yuren Hao
brief rewritten to cascade-era Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12RESULT 15 (amp lossless 1.56x) + COST_MODEL v2.1 (sourced July-2026 prices, ↵Yuren Hao
EF unit fix) + Draft 6 cost/scale rewrite Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12bf16 mixed-precision (--amp): gate PASSED (cos 0.9682 vs fp32 0.9687), ↵Yuren Hao
trainer flag + 3-seed 4k A/B launched Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12E-tier wave-1 ledger (RESULT 14 + HW map rows) + cost model v2 recalibrated ↵Yuren Hao
on measured H200 datapoint Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
2026-07-12RESULT 13: bsign neutral at 4k (1.7382 vs 1.7314); 42M gap-chasing closed at ↵Yuren Hao
noise floor; pivot to Stage-2 pipeline + E-tier
2026-07-11RESULT 12: f3e3cont negative (1.2883 vs 1.2808) — residual gap not ↵Yuren Hao
beta-liftable; next lever = random-sign beta (single-phase, KHS-validated), then centered
2026-07-11Draft 6: formulation correction conceded precisely; ↵Yuren Hao
same-gradient-different-algorithms answer with the two resolvents; note attached; scope concession (MLP/CNN/RNN)
2026-07-11Draft 5 FINAL: post-quick-reply follow-up shape (Overleaf link + gap ledger ↵Yuren Hao
+ 3.2x calibrated against their 18-day App B + cost table + analog hook + two-papers ask) + send checklist
2026-07-11STANDING: looped line abandoned (user directive) — cascade-only default; ↵Yuren Hao
looped = historical data for dynamics paper
2026-07-11Their VGG10 = 62.7M (computed from Table 6) > our 42.75M: largest-today is ↵Yuren Hao
theirs; their EP/BP wall-clock 6.7-12x vs our 3.2x recorded as solver differentiator
2026-07-11Ben draft 5: engages 2606.03584 directly (Eq.10==our objective; ↵Yuren Hao
AsymEP-reduces-to-vanilla answer; mod-PGD convergence; their beta one-liner -> our quantified SNR); claim rescoped to first-transformer-LM; hardware paragraph tied to their open question
2026-07-11CLAIM RESCOPE: Kerjan-Hoier-Scellier PCN-ImageNet (their Eq.10 == our ↵Yuren Hao
cascade energy; 1.0-1.5pp gap remains) — 'largest NN today' contested, use largest-transformer/first-LM/zero-gap; 1B+ unqualified
2026-07-11Ben draft 4: academic register (metaphors stripped per user style ↵Yuren Hao
correction); register-split rule recorded in style profile
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-18 19:44:02 +0000