{
  "prompt": "Square editorial studio photograph of a dark cobalt glass perfume bottle on pale travertine. The centered cream label reads exactly 'NIGHT TIDE' in large engraved serif letters and 'EAU DE PARFUM' in small capitals beneath. Dappled blue caustics, crisp glass edges, fine pores in the stone, dark reflections through the translucent bottle, restrained palette and generous negative space. No other text.",
  "seed": 731,
  "size": [
    2048,
    2048
  ],
  "canvas": [
    2048,
    2048
  ],
  "rng": "torch",
  "reference_images": [],
  "reference_sha256": [],
  "sigmas": [
    1.0,
    0.9675236940383911,
    0.8875485062599182,
    0.75,
    0.5327739119529724,
    0.23200887441635132,
    0.0
  ],
  "steps": [
    0,
    1,
    2,
    3,
    4,
    5
  ],
  "vae": {
    "tile_batch": 4
  },
  "vae_backend": "mlx",
  "environment": {
    "platform": "macOS-27.0.1-arm64-arm-64bit",
    "machine": "arm64",
    "metal": {
      "device_name": "Apple M5 Pro",
      "max_recommended_working_set_size": 55662788608,
      "memory_size": 68719476736,
      "architecture": "applegpu_g17s",
      "max_buffer_length": 41747087360,
      "resource_limit": 499000
    },
    "versions": {
      "mlx": "0.32.4",
      "mlx-metal": "0.32.4",
      "numpy": "2.5.4",
      "safetensors": "0.8.0",
      "transformers": "4.57.6",
      "torch": "2.15.0",
      "Pillow": "13.0.0",
      "scikit-image": "0.26.0"
    },
    "precision_environment": {
      "MLX_ENABLE_TF32": "0",
      "MLX_CONV_WINOGRAD": "0"
    }
  },
  "validation_scope": "Same final latent; decoder only",
  "timing_scope": "Warm decoder only; model loading excluded",
  "timings": {
    "decode_s": 2.0591762911062688
  },
  "source_trace": "outputs/suite/product/native-3.trace.safetensors",
  "source_trace_sha256": "40440f8bf2c8f2ab3cbb454ccc9416062b9d69718aa6a0ef9baf1268037b9a29",
  "output": "comparisons/optimization-v2/fp32-reference/native-b4.png",
  "png_sha256": "63684ef8ae148a35ddef02650c6aa30b4843b47c99b06cec2ea3708ef3fc2293"
}