DSpark: bitwise first-divergence diagnostics for batched vs sequential decode - #749

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raveonetter wants to merge 25 commits into

antirez:mainfrom

raveonetter:codex/c4-c5-first-divergence-experiment

Commits on Aug 7, 2026

docs: add DSpark exactness investigation context

Sijia Guo
authored and
Sijia Guo
committed
37b029b
docs: add Codex P2 C0 static audit
raveonetter
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e2ef36b
probe: add GPU-independent exact float comparator
raveonetter
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2596a70
docs: freeze DSpark exactness phase gates for agents
raveonetter
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97362ef
probe: add inline F32 copy candidate; Metal validation pending
raveonetter
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dfc3305
test: satisfy Metal logging stub for C2a regression
raveonetter
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34f858f
docs: freeze first-divergence experiment v1
raveonetter
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ac20431
docs: add Codex C2b implementation handoff
raveonetter
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804ecaa
probe: add first-divergence capture layer
raveonetter
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6cfd8d7
test: run forced-token pass pair
raveonetter
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c11ac46
probe: emit first-divergence report
raveonetter
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0b41145
probe: integrate real C2b verifier gate
raveonetter
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7f68d7f

Commits on Aug 8, 2026

probe: add canonical C4 C5 divergence run
raveonetter
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36550e3
probe: localize first Q-projection divergence
raveonetter
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c47273e
probe: isolate generic vs sequential QA numerics
raveonetter
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80854f9
probe: canonicalize QA for divergence diagnosis
raveonetter
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b958093
probe: add composable canonicalization sweep controls
raveonetter
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613654b
probe: canonicalize KV for divergence diagnosis
raveonetter
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1479320
probe: subdivide CP4 divergence interval
raveonetter
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ab3bf45
probe: canonicalize Q-B for divergence diagnosis
raveonetter
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f5e2764
probe: localize and canonicalize raw attention drift
raveonetter
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29f20f0
probe: isolate and canonicalize CP4 tail
raveonetter
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812ab24
probe: execute CP4 tail input clones
raveonetter
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e9d7f99
probe: fix CP4 tail Metal fallback
raveonetter
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0598657
probe: align CP4 tail fixture with verified fallback
raveonetter
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085c79f