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esh-pfi-infrastructure/scripts/mccarthy-corpus/gate-results/memorization.heldout-control.txt
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Vuong Hoang 4c3f3896f1 docs(lv-mccarthy): record the gate result -- voice passes, memorisation is the cleanest in the line, NOT shipped
720 generations, 3 arms x 60 held-out beats x 4 seeds, against the design frozen
in GATE-PREREG.md before any arm existed.

AXIS A VOICE -- PASS, both candidates, both reads. Span 0.661 -> 0.370 = 0.291
achievable; ckpt900 closed 59.1% (+0.172, but only 1.2x its floor), ckpt450 52.2%
(+0.152 at 2.9x). The normalised secondary read HOLDS at +0.124 / +0.114, so about
three quarters of the gain survives stripping every punctuation mark -- the voice
is not the cheap win the register made available.

AXIS B NOT COPIED -- ckpt450 is the cleanest result in the line. 0.12 hit-rate
against the author's own held-out 0.12, and its longest match (11 words) is
SHORTER than the author's coincidental longest (12). All 96 matched runs were
read: stock grammar in the commonest words, the name-shaped hits are the RENAMED
inventions, nothing protectable. The amendment is why this reads as clean -- the
defective base control would have shown 0.12 vs 0.00 as a 12x red flag.
Separately measured: the "his register makes collisions inevitable" story that
was FALSE for Hemingway (0.01) is TRUE for McCarthy (0.12). Neither transfers.

AXIS C NO DAMAGE -- FAIL, both, and it survives reading. 20% (ckpt450) / 28%
(ckpt900) of generations overshoot the 90-140 band against base's 1%; p90 171/190
words, max 297/279. The worst case is degenerate looping, not a long McCarthy
sentence. Base is GOOD on this axis here (0.89 in-band vs Hemingway's 0.05), so
the adapter measurably makes instruction-following worse.

NOT SHIPPED. Section 7 rule 3 makes axis C disqualifying outright.

Recorded honestly: my own prereg's axis C transcribed score_beats.py's v1
criteria, including "in-band up on base", which the operator RETIRED on
2026-09-15 for exactly the reason it fails here -- base maxes it, so it is
unsatisfiable on this corpus regardless of adapter quality. Under the operator's
v2 (ran-on only) ckpt450 passes by 0.01 against a 0.200 floor. That reading was
found AFTER the numbers and was NOT used; lv-bronte's floor defect is the in-line
precedent for finding one and declining to exploit it. The prereg gets fixed
prospectively for the next author, not re-read for this one.

And the finding worth more than the adapter: the two-epoch recipe is now 0 for 3,
and this time the loss curve was CONFIDENTLY wrong. On Bronte and Hemingway the
epoch-1/epoch-2 checkpoints were tied, so preferring the earlier one cost nothing.
Here the curve resolved epoch 2 as better at 4.9x the median neighbour jitter --
and epoch 2 lost every axis that resolves: 4.0x wider seed spread, 1.8x the
author's memorisation rate against 1.0x, more ran-on, worse on-beat. Its only win
is a 0.019 voice point estimate, inside the floor, and its spread is one outlier
seed -- the third occurrence of that shape in the later checkpoint after
lv-bronte's ckpt925 and lv-hemingway's ckpt1750.

Raw artifacts committed at scripts/mccarthy-corpus/gate-results/ so the claims can
be re-read without gx10.
2026-09-21 16:31:41 -07:00

15 lines
825 B
Plaintext

corpus (train split only): 548,202 words, 547,556 distinct 8-grams
arm gens hit-rate mean-longest max
------------------------------------------------------------
base 240 0.00 0.0 8
ckpt450 240 0.12 1.1 11
ckpt900 240 0.22 1.9 11
------------------------------------------------------------
HELD-OUT (never trained) 364 0.12 1.0 12
^ the innocent-sample rate: real author text, same register, 112-word chunks.
THIS is what a candidate is compared against -- not base-unadapted, whose zero
partly measures `different register` rather than `did not memorise`.
positive control (corpus slice vs corpus): longest = 160 (must be large, else the detector is blind)