{
  "experiment_id": "p7-5-2-mira-head-bf16-t2i",
  "purpose": "Mira frontal-head text-to-image reference; no reference-image input",
  "model": "Qwen/Qwen-Image",
  "dtype": "bfloat16",
  "runtime": {
    "execution_mode": "direct Diffusers; no ComfyUI server, port, or HTTP API",
    "offload": "sequential_cpu_offload",
    "python": "3.12.3",
    "platform": "Linux-7.0.0-28-generic-x86_64-with-glibc2.39",
    "cuda_device": "NVIDIA GeForce RTX 5070 Laptop GPU",
    "packages": {
      "diffusers": "0.37.0",
      "torch": "2.11.0+cu128",
      "transformers": "4.57.6",
      "accelerate": "1.13.0"
    }
  },
  "gpu_memory_before": "NVIDIA GeForce RTX 5070 Laptop GPU, 8151 MiB, 837 MiB, 6872 MiB",
  "identity_contract": {
    "path": "/home/cbsim/ws/AiBook/docs/assets/part-07/chapter-05/sec-02/p7-5-2-mira-identity-contract.json",
    "sha256": "bcb4eb58f240786b723a5a4c3d412754d032efcba44062a0dc0eaaee8a1c6add",
    "bytes": 1634
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  "rendering_contract": {
    "path": "/home/cbsim/ws/AiBook/docs/assets/part-07/chapter-05/sec-02/p7-5-2-mira-identity-contract.json",
    "components": [
      "front_face_illustration_prompt"
    ],
    "historical_component_sha256": "865cce164c5baf09305e14a8e1f42a841fdfae46724e28d344c782a916e92be8"
  },
  "inputs": [],
  "input_roles": [],
  "prompt": "Clean character illustration, not a photograph; dark outlines and solid colors. Young adult woman in her early twenties with very fair pale-peach skin. A balanced soft oval face with subtly defined cheekbones, balanced lower-face length, slender V-shaped jawline, and gently tapered chin. High slim nose bridge, small rounded tip, and small lips with a fuller lower lip. Symmetric proportionate almond-shaped eyes with gently upturned outer corners, moderately narrow eyelid openings, and centered pupils; both eyes have chestnut-brown and orange-amber irises. Deep petrol-teal, controlled voluminous jaw-length bob with medium-density hair. A deep viewer-right side part and full short fringe sweep across the viewer-left forehead, ending above the eyebrow. Large loose S-waves, inward C-curls, and tapered side locks retain the jaw-length bob silhouette. Strict frontal head-and-neck studio reference of Mira, an adult Korean woman. Complete hair crown visible with clear empty margin above it; no hair cropped by any edge. Face centered and facing the camera; both eyes and ears visible. Plain warm off-white background. No text, accessories, panel, collage, or background scene.",
  "seed": 62294,
  "steps": 30,
  "size": [
    1280,
    1280
  ],
  "true_cfg_scale": 4.0,
  "guidance_scale": 1.0,
  "negative_prompt": " ",
  "status": "generated",
  "output": {
    "path": "/home/cbsim/ws/AiBook/docs/assets/part-07/chapter-05/sec-02/p7-5-2-mira-head-qwen-image-bf16-front-v1-code-63ece7-seed-62294-steps-30-size-1280.png",
    "sha256": "410da2b06054d44e38cbb066f599961a07689ed2657aff4811d33617050ff539",
    "bytes": 1310873
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  "gpu_memory_after": "NVIDIA GeForce RTX 5070 Laptop GPU, 8151 MiB, 6950 MiB, 759 MiB",
  "elapsed_seconds": 447.91
}