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wai-rs: jpegai e2e integration test — synthesis on the real reference latent #2

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dcharlot merged 1 commit from feat/jpegai-e2e-synthesis into main 2026-07-08 04:50:36 -04:00
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dcharlot commented 2026-07-08 04:50:35 -04:00
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First end-to-end integration check: decode_y on the real test256.bin latent (checkpoint y_lsbs) reproduces the reference synthesis pixels (ypix) at 58.85 dB. Pins the pipeline wiring (synthesis consumes the post-LSBS latent). Test-only, feature-gated on the checkpoint fixture.

First end-to-end integration check: decode_y on the real test256.bin latent (checkpoint y_lsbs) reproduces the reference synthesis pixels (ypix) at 58.85 dB. Pins the pipeline wiring (synthesis consumes the post-LSBS latent). Test-only, feature-gated on the checkpoint fixture.
First end-to-end integration check: run decode_y on the REAL test256.bin latent
(checkpoint yhat_y/y_lsbs) and compare to the reference synthesis pixels (ypix),
rather than a synthetic latent vs the ONNX. Confirms the synthesis stage on real
pipeline data at 58.85 dB PSNR (max|Δ|=0.6, the 16-bit PTQ), and pins the pipeline
wiring: synthesis consumes the post-LSBS latent (y_lsbs), not the pre-LSBS yhat_y.
Feature-gated on the checkpoint fixture + weights.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
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