{"case_id": "portrait", "prompt": "A natural documentary portrait of an elderly woman with silver hair and freckles, wearing a blue wool sweater, standing beside a window in soft morning light. Realistic skin texture, gentle expression, waist-up composition.", "seed": 42, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": null, "pipeline_init_seconds": 0.1314958749571815, "seconds": 440.9093492079992, "mlx_peak_gib": 16.41486000828445, "rss_gib": 0.2759246826171875, "system_available_gib": 80.31636047363281, "swap_used_gib": 19.60015869140625, "swap_before_gib": 19.60015869140625, "swap_delta_gib": 0.0, "output": "portrait-s42.png", "output_sha256": "72493104ac6662f1de9e7857e8ec03f4f3971c31c4ea77207d33ae029a3a0c41", "mode": "RGBA", "alpha_min": 252, "alpha_max": 255, "alpha_fraction_below_250": 0.0, "rgb_std": 61.9305534362793, "warmup": true}
{"case_id": "english_text", "prompt": "A clean editorial poster with a deep blue background. Large exact headline at the top: \"CREATE WITH LIGHT\". Smaller exact subtitle: \"September 2026\". A realistic orange desk lamp occupies the lower half. Elegant balanced typography, no additional text.", "seed": 42, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": null, "pipeline_init_seconds": 0.1314958749571815, "seconds": 464.31536945910193, "mlx_peak_gib": 16.431492125615478, "rss_gib": 0.2806243896484375, "system_available_gib": 85.11087036132812, "swap_used_gib": 19.59234619140625, "swap_before_gib": 19.60015869140625, "swap_delta_gib": -0.0078125, "output": "english_text-s42.png", "output_sha256": "2ce4e2a35c0023832bcea130d1955ded09c390f3571ad43c6aaa44581362e55c", "mode": "RGBA", "alpha_min": 246, "alpha_max": 255, "alpha_fraction_below_250": 4.76837158203125e-06, "rgb_std": 60.24784469604492, "warmup": true}
{"case_id": "chinese_text", "prompt": "设计一张现代咖啡馆海报，米白背景，中央一杯拉花拿铁。顶部准确写上中文大标题“慢下来，喝杯咖啡”，下方准确写上“小店今日营业”。文字清晰，留白充分，暖色摄影，不添加其他文字。", "seed": 42, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": null, "pipeline_init_seconds": 0.1314958749571815, "seconds": 474.137312249979, "mlx_peak_gib": 16.43712263740599, "rss_gib": 0.28082275390625, "system_available_gib": 79.81365966796875, "swap_used_gib": 19.59234619140625, "swap_before_gib": 19.59234619140625, "swap_delta_gib": 0.0, "output": "chinese_text-s42.png", "output_sha256": "d2e903aa478d0ea500372b800e5276669f07340ea27227544fe560a900d766ac", "mode": "RGBA", "alpha_min": 249, "alpha_max": 255, "alpha_fraction_below_250": 2.86102294921875e-06, "rgb_std": 55.17431640625, "warmup": true}
{"case_id": "composition", "prompt": "A studio photograph on a light gray tabletop: exactly three ceramic cups in a row, a red cup on the left, a blue cup in the middle, and a yellow cup on the right. A single green apple sits in front of the blue cup. Soft shadows, no text.", "seed": 42, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": null, "pipeline_init_seconds": 0.1314958749571815, "seconds": 480.91022845893167, "mlx_peak_gib": 16.43643598817289, "rss_gib": 0.280914306640625, "system_available_gib": 79.32237243652344, "swap_used_gib": 19.59234619140625, "swap_before_gib": 19.59234619140625, "swap_delta_gib": 0.0, "output": "composition-s42.png", "output_sha256": "b361dd45e536a8d4d2baa45d412966c1820eb21e0d096829387cd0afa736aaef", "mode": "RGBA", "alpha_min": 251, "alpha_max": 255, "alpha_fraction_below_250": 0.0, "rgb_std": 53.458316802978516, "warmup": true}
{"case_id": "texture", "prompt": "Macro photography of a small kingfisher perched on a mossy branch beside clear water, detailed blue feathers, droplets, natural sunlight, softly blurred forest background, realistic textures.", "seed": 42, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": null, "pipeline_init_seconds": 0.1314958749571815, "seconds": 487.6394271670142, "mlx_peak_gib": 16.425296997651458, "rss_gib": 0.280975341796875, "system_available_gib": 83.17008972167969, "swap_used_gib": 19.59234619140625, "swap_before_gib": 19.59234619140625, "swap_delta_gib": 0.0, "output": "texture-s42.png", "output_sha256": "6399da2b528016420f934dd33613ace33d30cfed338f7815a14645e15b01b1f2", "mode": "RGBA", "alpha_min": 251, "alpha_max": 255, "alpha_fraction_below_250": 0.0, "rgb_std": 46.10807418823242, "warmup": true}
{"case_id": "rgba", "prompt": "This is an RGBA image with transparency. A cute cartoon dragon sticker, full body, green scales and small orange wings. The image has alpha channel and the background is transparent.", "seed": 42, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": null, "pipeline_init_seconds": 0.1314958749571815, "seconds": 485.45022220897954, "mlx_peak_gib": 16.422336785122752, "rss_gib": 0.281036376953125, "system_available_gib": 78.02214050292969, "swap_used_gib": 19.59234619140625, "swap_before_gib": 19.59234619140625, "swap_delta_gib": 0.0, "output": "rgba-s42.png", "output_sha256": "c7adbb4da64425795a221e780cf872ee642dc6d8d47c7efdefadc75fdcc0396b", "mode": "RGBA", "alpha_min": 0, "alpha_max": 255, "alpha_fraction_below_250": 0.6500587463378906, "rgb_std": 72.15623474121094, "warmup": true}
{"case_id": "edit", "prompt": "Change only the blue sweater to a red sweater. Preserve the same person, face, pose, lighting and background.", "seed": 1000042, "width": 1024, "height": 1024, "steps": 40, "cfg": 1.0, "vae_tiling": false, "kv_cache": true, "phase_offload": true, "input_sha256": "72493104ac6662f1de9e7857e8ec03f4f3971c31c4ea77207d33ae029a3a0c41", "pipeline_init_seconds": 0.1314958749571815, "seconds": 606.2867980420124, "mlx_peak_gib": 18.68414589576423, "rss_gib": 0.3961639404296875, "system_available_gib": 77.83209228515625, "swap_used_gib": 19.59234619140625, "swap_before_gib": 19.59234619140625, "swap_delta_gib": 0.0, "output": "edit-s1000042.png", "output_sha256": "51d46aaf58fa9488f5094a553daac0d5ef921b045c619014d75a5256331170d0", "mode": "RGBA", "alpha_min": 252, "alpha_max": 255, "alpha_fraction_below_250": 0.0, "rgb_std": 67.6135482788086, "warmup": true}