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content-complete
Six paragraphs total via codex round 31:
- §6 §6.1: measurement-validity-first ordering with 63x and 24338x calibration gaps
- §6 §6.2: minimal four-check protocol; decision-utility 0/5 vs 3/5 walk-back
- §6 §6.3: conservative asymmetry (BP/EP preserved, DFA/SB/CB walked back)
- §7 §7.1: scope claim — evaluation failure not algorithmic impossibility
- §7 §7.2: limits — CIFAR-10 only, observational LN interpretation, lower-bound BP+penalty control
- §7 §7.3: lesson — decompose evaluation question, position vs Jordan/O'Bray/Paleka
Compiles to 12 pages (main content 1-8, refs+appendices 8-12), within E&D 9-page main budget.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Codex round 27 produced 4 substantive paragraphs for §2, replacing thin
placeholders. Each paragraph follows round 23's prescription:
P1: canonical setting (4-block d=256, AdamW, 100 ep, 3 seeds) +
table/figure references
P2: under field-standard reporting, all 5 methods look fine
P3: EP internal comparison — same trustworthy measurement regime BUT
EP depth contribution is also marginally negative (-3.3 pp vs
frozen baseline). Honest about EP being trustworthy-measurement
but neutral-depth-contribution (per round 27 prompt's caveat).
P4: frozen-baseline comparison gives the walk-back: BP +26.6 pp, DFA
-4.3 pp, SB -14.4 pp, CB -6.0 pp. Diagnostic split lines up with
acc split.
Compiles cleanly. Next: §3 Failure Mode 1 prose via round 28.
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Codex round 26 produced 3 substantive paragraphs for §1, replacing the
3 thin placeholder sentences. Each paragraph follows round 23's
prescription:
P1: claim sentence + numerical evidence (DFA 0.306 < frozen 0.349;
layer-0 +0.42 vs deep ~0; ||g_L|| ~ 5e-10 < eps clamp 1e-8) +
closing 'measurement regime must be valid'
P2: 5-method audit shows the two modes; intervention dissociation
(lambda=1e-4 alleviates Mode 1 not Mode 2; vanilla ep 1 has
meaningful ||g|| but deep cos still ~0) + closing
P3: methodological contribution framing + cite Paleka, O'Bray,
Jordan + closing roadmap
Compiles cleanly. PDF still has §2-§7 with topic sentences only (TODO
next via per-section codex rounds).
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Tables filled with real values:
Table 1: 5-method audit (3-seed mean ± std for acc, headline Γ, verdict)
Table 2: 4-condition mode 2 validation (cos and ρ values from existing
checkpoint measurements)
Table 3: protocol thresholds (50×, 1e-7, 0.30, 2pp)
Figures generated from existing data:
fig2_decision_utility.pdf: 5×7 verdict heatmap from
results/protocol_audit/ablation_decision_utility.json
fig4_penalty_rescue.pdf: 3-panel — trajectory + cos/ρ bars + 2×2 acc
from snapshot_evolution_v2 + dfa_residual_penalty + bp_with_penalty
fig5_cross_arch_summary.pdf: 5×4 BP/DFA verdict matrix across
architectures
Compiles to 8 pages with all tables/figures rendered. §1-§7 main body
still has only paragraph topic sentences (TODO: per-section prose
filling via codex). Figure numbering is wrong (codex put figures in
section order not numerical order — need fixing).
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Round 24's skeleton had 3 deviations from round 23 redo:
- Made §3 'Diagnostic Protocol' instead of 'Failure Mode 1'
- Collapsed Mode 1 + Mode 2 into one §4
- Added §6 'Reference Implementation' (was supposed to be dropped)
Round 25 fixed all three. New §3-§7 match round 23 redo exactly:
§3 Failure Mode 1: Measurement Degeneracy
§4 Failure Mode 2: Low Intrinsic Credit-Direction Quality
§5 Intervention and Cross-Architecture Evidence
§6 Recommended FA Evaluation Protocol
§7 Discussion, Limits, Conclusion
Also added:
- In-line bibliography with 12 \bibitem entries (Paleka, O'Bray, Jordan
+ FA literature) — citations resolve correctly now
- Appendices A-G with actual prose content (not just headers)
- 7-pitfall catalog with descriptions
- Walk-back chain methodology paragraph
- 7-validation summary table
Compiles to 9 pages with figures 1+3 inline (existing PNGs) and figures
2/4/5 as placeholder text PDFs (TODO: regenerate). Tables 1/2/3 still
have TODO placeholders for numerical values.
Next: fill in tables 1-3 with existing JSON data, generate figures 2/4/5
from existing data, then consult codex per-section for prose filling.
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User rejected the v1 draft as '流水账实验报告' (sequential experiment
report). Round 22 + 23 redid the outline with E&D-genre prescription.
Saving v1 as v1_rejected.tex for reference. New main.tex will be
written from round 24 LaTeX skeleton (codex offered to provide it),
section by section, with codex check on each section's prose.
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Compiled with tectonic (the only LaTeX engine on this server). Two
fixes needed:
1. Pass [numbers,compress] to natbib via PassOptionsToPackage so the
numerical bibliography style works
2. Use bibstyle 'abbrvnat' instead of 'plain' (compatible with natbib)
Result: 10-page PDF, ~7.5 content pages (well under 9-page E&D limit),
references on pages 8-9, appendices A-D on pages 9-10.
PDF uploaded to broker as 1843506b_main.pdf for user review.
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The λ sweep is the strongest single piece of two-mode separation
evidence and doesn't require the early-epoch caveat. New §5.4 with
table showing:
λ=0: vanilla, both modes broken
λ=1e-4: mode 1 ALLEVIATED (||h_L||=2.4e4, ||g||=6.3e-7), mode 2 NOT
(cos -0.022, rho -0.004)
λ=1e-2: mode 1 alleviated, mode 2 partially (cos +0.16, rho +0.09)
λ=1e-1: slightly over-constrained (cos +0.13, rho +0.07)
The two modes have different intervention thresholds. §5.4 is now the
killer evidence; the early-epoch disambiguation in §5.3 becomes
supporting. Updated section summary to 'five validations'.
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Title: 'Beyond Accuracy and Alignment: A Diagnostic Evaluation Protocol
for Feedback Alignment'
Structure (per round 21 prescription):
Abstract: 'broken because conflated' framing, 2 distinct modes named
§1 Introduction: discovery hook -> 2-mode framing -> contribution
§2 Related work
§3 Audit (the field-standard pair walks back nothing)
§4 The diagnostic protocol (4 diagnostics, calibrated thresholds,
decision-utility ablation, cross-architecture validation)
§5 Two distinct failure modes (mechanism, penalty rescue, direct
cosine measurement, hypothesis-disambiguation, capacity-cost control)
§6 Limitations
§7 Broader impacts
§8 Conclusion
Appendices: reproducibility, 7-pitfalls catalog, walk-back chain (4 step),
all 6 validations of the two-mode separation
Includes 4 result tables, ~10 references, structured as eandd track
double-blind submission. 760 lines of LaTeX, balanced environments
verified. Ready for compilation on a system with pdflatex.
Template: paper/neurips_2026.{sty,tex}, downloaded from official
NeurIPS 2026 source. checklist.tex also unzipped.
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