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| author | Yuren Hao <yurenh2@illinois.edu> | 2026-07-16 04:33:29 -0500 |
|---|---|---|
| committer | Yuren Hao <yurenh2@illinois.edu> | 2026-07-16 04:33:29 -0500 |
| commit | 35e7582287ab5a82bf57561895b5a095dc9b6e24 (patch) | |
| tree | 650d64e699c1ba996e784284e9ac8001def3ba26 /docs/campaign/CASCADE_ABLATION_PLAN.md | |
| parent | 5f8dd1c4d7106665cf9722e7a394893bb87c9b07 (diff) | |
RESULT 29: qcomp8 tax-free (+0.0018) = T64 8-bit compute green light; --centmirror ships (cos 1.000000000, 1.72x -> 1.39x)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn
Diffstat (limited to 'docs/campaign/CASCADE_ABLATION_PLAN.md')
| -rw-r--r-- | docs/campaign/CASCADE_ABLATION_PLAN.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/docs/campaign/CASCADE_ABLATION_PLAN.md b/docs/campaign/CASCADE_ABLATION_PLAN.md index 12751d9..1502ed2 100644 --- a/docs/campaign/CASCADE_ABLATION_PLAN.md +++ b/docs/campaign/CASCADE_ABLATION_PLAN.md @@ -568,6 +568,25 @@ direction), not training-under-fault; wave-2 = co-training with faults injected +### RESULT 29 (2026-07-16): qcomp VERDICT — 8-bit COMPUTE quantization is FREE (T64 green light); centmirror ships (1.39x). +qcomp arms (compute on DAC-grid weights, fp32 master = word-streaming / shadow accumulation), +same protocol, vs ctl 1.2678: +| bits | qcomp (T64 scenario) | qup (naked resident) | +|---|---|---| +| 8 | **1.2696 (+0.0018 = ZERO)** | 1.3096 (+0.042) | +| 6 | 1.3026 (+0.035) | 1.3598 (+0.092) | +| 4 | 1.4077 (+0.140) | — | +- 8-bit DACs + digital master = tax-free at 42M: the Y3/pc AD7528 line and the T64 word-streaming + architecture pass gate #1b. 6-bit compute has a real but moderate tax; 4-bit heavy. +- BP mirror suite RUNNING (bp_qctl 49.5k, then qup10/8/6 + qcomp8/6/4): the Delta-vs-Delta verdict + (EP-specific or generic) lands tonight; RESULT 28's naked-cell reading stays provisional till then. +- ESTIMATOR COST ENGINEERING sealed: --centmirror (the -beta pass initialized as the MIRROR of the + +beta solution at the shared free anchor + 1 polish sweep; second free pass and K-1 sweeps + deleted). Gradtest cos 1.000000000 vs sequential centered (relerr 2.2e-5). Quiet bench B12/amp: + plain 4.389 it/s | sequential centered 2.547 (1.72x) | centfast 2.684 (1.64x) | **centmirror + 3.169 (1.39x)**. With est_late@80%: amortized ~1.08x — centered is now essentially free at scale + (8B ledger: 3.2x -> ~3.45x vs BP). + ### RESULT 28 (2026-07-16): STAGE-0 HW GATE #1 — naked analog-resident updates need >10 bits; T64's word-streaming scenario measured next. Protocol: arms7 (resume s45000 -> 55000, ctl 1.2678). --qup_bits = weights snapped to an ABSOLUTE per-tensor grid after every update, stochastic rounding (= analog-resident cells, NO shadow). |