From 55e2073784ec50288f97043494c196d713d1f058 Mon Sep 17 00:00:00 2001 From: Daniel Maddern Date: Thu, 13 Aug 2026 16:00:57 +0700 Subject: [PATCH] Record H3 VAE pixel gate --- PARITY.md | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/PARITY.md b/PARITY.md index c2faeb3..8af9d5e 100644 --- a/PARITY.md +++ b/PARITY.md @@ -187,7 +187,7 @@ gate and is exact. | H3 final layer | Yes | Bit-exact final AdaLN, target-row modulation, and video/audio patch rows; Comfy materializes the AdaLN and output-head biases through BF16 | | H3 DiT | Yes | Strict all-block numeric parity not achieved | | Beta/RES sampler | Yes | H3 replay is bit-exact for all 12 captured sampler calls and RES update is bit-exact from captured denoised; direct raw-output to model-wrapper denoised conversion retains small BF16/state boundary deltas | -| Video VAE decoder | Yes | No direct-versus-Comfy same-latent pixel comparison yet | +| Video VAE decoder | Yes | Same final sampled latent decoded through direct VAE versus Comfy PNG frames: mean abs pixel delta `0.0833898`, max `6` | | Audio VAE/decode/mux | No | Preview intentionally produces video only | | Full Ref2VA | No | References, vision conditioning, VAE encode, audio, and muxing are unimplemented | @@ -198,12 +198,9 @@ unless the checkpoint, Comfy version, prompt, or backend changes. 1. **Final video latent layout.** Compare direct `unpatchify_video` output with Comfy before entering the sampler. -2. **VAE pixel gate.** Decode the identical captured final video latent in - direct and Comfy and compare pixels before ffmpeg. This decides whether any - residual grid comes from decoder behavior. -3. **End-to-end FL2VA preview.** Generate the reference dragon only after +2. **End-to-end FL2VA preview.** Generate the reference dragon only after gates 1-8 pass. Compare its raw final latent first, then video. -4. **Feature/performance work.** Only then add audio, Ref2VA/reference paths, +3. **Feature/performance work.** Only then add audio, Ref2VA/reference paths, Sage3, CUDA graphs, and multi-GPU execution. ## Existing Tools And Their Intended Gate