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{
  "validation_scope": "Decoder only: identical final latent, BF16 decoder; diffusion is not rerun",
  "reference": "/Users/devin/Desktop/MiniMax-H3-Image-mlx/reports/vae/batch-1.png",
  "native_size": [
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  "crop_xyxy": [
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  "heatmap_gain": 8,
  "metric_definition": {
    "psnr": "Full-resolution 8-bit RGB MSE, data range 255; null means infinity",
    "ssim": "scikit-image RGB structural_similarity, channel_axis=-1, data_range=255, default 7x7 window",
    "mae": "Full-resolution mean absolute 8-bit RGB error"
  },
  "rows": [
    {
      "label": "BF16 decoder / tile batch 1",
      "image": "/Users/devin/Desktop/MiniMax-H3-Image-mlx/reports/vae/batch-1.png",
      "png_sha256": "63684ef8ae148a35ddef02650c6aa30b4843b47c99b06cec2ea3708ef3fc2293",
      "pixel_identical": true,
      "mae_8bit": 0.0,
      "max_error_8bit": 0,
      "psnr_db": null,
      "ssim_rgb": 1.0,
      "timings": {
        "total_s": 2.9723427920835093
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      "steps": [
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        2,
        3,
        4,
        5
      ],
      "timing_scope": "Fresh end-to-end request"
    },
    {
      "label": "BF16 decoder / tile batch 4",
      "image": "/Users/devin/Desktop/MiniMax-H3-Image-mlx/reports/vae/batch-4.png",
      "png_sha256": "63684ef8ae148a35ddef02650c6aa30b4843b47c99b06cec2ea3708ef3fc2293",
      "pixel_identical": true,
      "mae_8bit": 0.0,
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      "psnr_db": null,
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      "steps": [
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      ],
      "timing_scope": "Fresh end-to-end request"
    },
    {
      "label": "BF16 decoder / tile batch 8",
      "image": "/Users/devin/Desktop/MiniMax-H3-Image-mlx/reports/vae/batch-8.png",
      "png_sha256": "57a85569ad45d469b191470541e8cfff8d576fed6cc6bb8bd54db16e9bd2d81f",
      "pixel_identical": false,
      "mae_8bit": 0.1251803239186605,
      "max_error_8bit": 4,
      "psnr_db": 56.9881575908215,
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      "timing_scope": "Fresh end-to-end request"
    },
    {
      "label": "BF16 decoder / tile batch 16",
      "image": "/Users/devin/Desktop/MiniMax-H3-Image-mlx/reports/vae/batch-16.png",
      "png_sha256": "2cd5b2c7d84c07801b333e4a2db2b3228a106ea0c1f2462c00fa8a4a5234d00e",
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      ],
      "timing_scope": "Fresh end-to-end request"
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  ],
  "interpretation": "Pixel similarity to the same seeded trajectory, not a measure of prompt adherence or perceptual quality."
}