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parity(U1): cached-J pullback vs direct VJP, all layers cos>0.999

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min cos 0.999801 (layer 8), rising to 0.999996; gap is fp16 cache
storage as expected. Gate PASS.

Co-Authored-By: Claudypoo <288921227+claudypoo@users.noreply.github.com>
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wassname
2026-07-10 12:52:18 +08:00
co-authored by Claudypoo
parent 6bf51a75cc
commit f22bbeb0d2
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U1 parity: cached-Jacobian pullback vs direct VJP (word=happy/joy)
model=Qwen/Qwen3-0.6B prompts=8 layers=[8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24]
| layer | cos | |vA| | |vB| |
|--------:|----------:|----------:|----------:|
| 8 | +0.999801 | +1.000000 | +1.000000 |
| 9 | +0.999862 | +1.000000 | +1.000000 |
| 10 | +0.999899 | +1.000000 | +1.000000 |
| 11 | +0.999904 | +1.000000 | +1.000000 |
| 12 | +0.999923 | +1.000000 | +1.000000 |
| 13 | +0.999940 | +1.000000 | +1.000000 |
| 14 | +0.999953 | +1.000000 | +1.000000 |
| 15 | +0.999967 | +1.000000 | +1.000000 |
| 16 | +0.999976 | +1.000000 | +1.000000 |
| 17 | +0.999982 | +1.000000 | +1.000000 |
| 18 | +0.999985 | +1.000000 | +1.000000 |
| 19 | +0.999990 | +1.000000 | +1.000000 |
| 20 | +0.999992 | +1.000000 | +1.000000 |
| 21 | +0.999994 | +1.000000 | +1.000000 |
| 22 | +0.999996 | +1.000000 | +1.000000 |
| 23 | +0.999996 | +1.000000 | +1.000000 |
| 24 | +0.999996 | +1.000000 | +1.000000 |
min cos = +0.999801 GATE (>0.999): PASS