21 October 2026 · GTX 1060 6 GB · Packet Foundry

Predator media: Qwen Image 2.1 Turbo Q8 · matched Q4/Q8 comparison

TL;DR

10 retained outputs · 10 accepted results · 10 recorded attempts · median Factory trace 451.9s Technical delivery and media decoding do not establish visual or musical quality. Timings include adapter overhead; cache behavior differs between runs. Failed and cancelled attempts remain in the evidence.

10 retained outputs · 10 accepted results · 10 recorded attempts · median Factory trace 451.9s

Technical delivery and media decoding do not establish visual or musical quality. Timings include adapter overhead; cache behavior differs between runs. Failed and cancelled attempts remain in the evidence.

← Complete campaign · Read the article · Download evidence

Qwen Turbo: matched Q4 and Q8

Ten genuine Q8 outputs match ten unchanged Q4 originals. Compare quality separately from timing; initial load/cache contexts can differ. No causal speedup, aesthetic superiority, whole-VRAM residency or five-variant measurement is claimed.

Matched workloadQ4 nativeQ8 native
Initial request; actual inherited load/cache context320.246s541.410s
Same first brief, next seed95.234s93.391s
Eight new briefs, retained-runtime median199.712s446.477s

The local status coordinator lost three status connections during case 5. Native generation completed once; Warehouse/native-history reconciliation collected its saved result before the unchanged coordinator continued with the same factory runtime. The case 5-to-6 native idle gap was 890.033s. This monitoring interruption created no extra generation attempt. The comparison pairs record their actual gaps.

Exact matched evidence, stage intervals and smaller-quant file options

Pair 1 · seed 42

Q4: initial request; inherited state · Q8: initial request; inherited state

Q4_K_M · 320.246s native
Q4_K_M: A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.
Q8_0 · 541.410s native
Q8_0: A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.
Exact matched prompt

A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.

Pair 2 · seed 43

Q4: 34.322s from previous native completion to start · Q8: 24.958s from previous native completion to start

Q4_K_M · 95.234s native
Q4_K_M: A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.
Q8_0 · 93.391s native
Q8_0: A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.
Exact matched prompt

A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.

Pair 3 · seed 44

Q4: 22.977s from previous native completion to start · Q8: 29.801s from previous native completion to start

Q4_K_M · 194.865s native
Q4_K_M: A turquoise alpine lake beneath snowy mountains at sunrise, a yellow canoe near the shore, crisp natural landscape photograph.
Q8_0 · 620.242s native
Q8_0: A turquoise alpine lake beneath snowy mountains at sunrise, a yellow canoe near the shore, crisp natural landscape photograph.
Exact matched prompt

A turquoise alpine lake beneath snowy mountains at sunrise, a yellow canoe near the shore, crisp natural landscape photograph.

Pair 4 · seed 45

Q4: 16.828s from previous native completion to start · Q8: 30.086s from previous native completion to start

Q4_K_M · 196.417s native
Q4_K_M: Product photograph of a matte black ceramic teapot with a warm copper handle, resting on dark slate beside two pale linen napkins. Three-quarter view, softbox lighting, crisp material detail, uncluttered background.
Q8_0 · 532.767s native
Q8_0: Product photograph of a matte black ceramic teapot with a warm copper handle, resting on dark slate beside two pale linen napkins. Three-quarter view, softbox lighting, crisp material detail, uncluttered background.
Exact matched prompt

Product photograph of a matte black ceramic teapot with a warm copper handle, resting on dark slate beside two pale linen napkins. Three-quarter view, softbox lighting, crisp material detail, uncluttered background.

Pair 5 · seed 46

Q4: 16.283s from previous native completion to start · Q8: 29.459s from previous native completion to start

Q4_K_M · 199.640s native
Q4_K_M: A cozy neighborhood bakery storefront on a rainy evening. The main sign clearly reads "MORNING BREAD" in cream block letters. Warm light glows through the windows, a bicycle leans beside the door, wet paving reflects the orange interior, realistic street photograph.
Q8_0 · 444.960s native
Q8_0: A cozy neighborhood bakery storefront on a rainy evening. The main sign clearly reads "MORNING BREAD" in cream block letters. Warm light glows through the windows, a bicycle leans beside the door, wet paving reflects the orange interior, realistic street photograph.
Exact matched prompt

A cozy neighborhood bakery storefront on a rainy evening. The main sign clearly reads "MORNING BREAD" in cream block letters. Warm light glows through the windows, a bicycle leans beside the door, wet paving reflects the orange interior, realistic street photograph.

Pair 6 · seed 47

Q4: 21.517s from previous native completion to start · Q8: 890.033s from previous native completion to start

Q4_K_M · 199.412s native
Q4_K_M: A bright Victorian glass greenhouse filled with lush ferns, hanging orchids and terracotta pots. A narrow brick path curves from the bottom left toward an open green door at the far end. Morning sunlight makes geometric shadows through the iron window frames. Include a single brass watering can beside the path and misty trees beyond the glass. Architectural photograph, balanced natural colors, no people or text.
Q8_0 · 384.654s native
Q8_0: A bright Victorian glass greenhouse filled with lush ferns, hanging orchids and terracotta pots. A narrow brick path curves from the bottom left toward an open green door at the far end. Morning sunlight makes geometric shadows through the iron window frames. Include a single brass watering can beside the path and misty trees beyond the glass. Architectural photograph, balanced natural colors, no people or text.
Exact matched prompt

A bright Victorian glass greenhouse filled with lush ferns, hanging orchids and terracotta pots. A narrow brick path curves from the bottom left toward an open green door at the far end. Morning sunlight makes geometric shadows through the iron window frames. Include a single brass watering can beside the path and misty trees beyond the glass. Architectural photograph, balanced natural colors, no people or text.

Pair 7 · seed 48

Q4: 13.667s from previous native completion to start · Q8: 27.120s from previous native completion to start

Q4_K_M · 199.784s native
Q4_K_M: An editorial portrait of an adult female ceramic artist in her forties working in a sunlit pottery studio. She wears a blue linen apron over a cream shirt and calmly holds a small unfinished bowl in both hands, fingers naturally curled around the rim. Her face is clear and expressive, with a few silver strands in dark curly hair. Shelves of glazed pottery remain softly out of focus behind her. Frame from the waist upward, eye-level camera, gentle window light from the left, documentary realism.
Q8_0 · 447.995s native
Q8_0: An editorial portrait of an adult female ceramic artist in her forties working in a sunlit pottery studio. She wears a blue linen apron over a cream shirt and calmly holds a small unfinished bowl in both hands, fingers naturally curled around the rim. Her face is clear and expressive, with a few silver strands in dark curly hair. Shelves of glazed pottery remain softly out of focus behind her. Frame from the waist upward, eye-level camera, gentle window light from the left, documentary realism.
Exact matched prompt

An editorial portrait of an adult female ceramic artist in her forties working in a sunlit pottery studio. She wears a blue linen apron over a cream shirt and calmly holds a small unfinished bowl in both hands, fingers naturally curled around the rim. Her face is clear and expressive, with a few silver strands in dark curly hair. Shelves of glazed pottery remain softly out of focus behind her. Frame from the waist upward, eye-level camera, gentle window light from the left, documentary realism.

Pair 8 · seed 49

Q4: 14.441s from previous native completion to start · Q8: 25.972s from previous native completion to start

Q4_K_M · 210.023s native
Q4_K_M: A charming small brass robot with a round glass head stands on a wooden step stool inside an enormous old library, carefully returning a red book to a high shelf. The robot has two articulated arms and three visible fingers on each hand. A tiny blue mechanical bird perches on its shoulder. Bookshelves curve toward a domed ceiling painted with constellations; the far aisle is illuminated by warm amber lamps. Render as a detailed hand-painted storybook illustration with teal shadows, golden highlights and a clear focal point. Keep the robot, stool and book visibly separate, with no extra limbs, no captions and no written lettering.
Q8_0 · 398.832s native
Q8_0: A charming small brass robot with a round glass head stands on a wooden step stool inside an enormous old library, carefully returning a red book to a high shelf. The robot has two articulated arms and three visible fingers on each hand. A tiny blue mechanical bird perches on its shoulder. Bookshelves curve toward a domed ceiling painted with constellations; the far aisle is illuminated by warm amber lamps. Render as a detailed hand-painted storybook illustration with teal shadows, golden highlights and a clear focal point. Keep the robot, stool and book visibly separate, with no extra limbs, no captions and no written lettering.
Exact matched prompt

A charming small brass robot with a round glass head stands on a wooden step stool inside an enormous old library, carefully returning a red book to a high shelf. The robot has two articulated arms and three visible fingers on each hand. A tiny blue mechanical bird perches on its shoulder. Bookshelves curve toward a domed ceiling painted with constellations; the far aisle is illuminated by warm amber lamps. Render as a detailed hand-painted storybook illustration with teal shadows, golden highlights and a clear focal point. Keep the robot, stool and book visibly separate, with no extra limbs, no captions and no written lettering.

Pair 9 · seed 50

Q4: 13.101s from previous native completion to start · Q8: 38.627s from previous native completion to start

Q4_K_M · 208.566s native
Q4_K_M: A detailed travel photograph of a lively Mediterranean open-air produce market in early morning. In the foreground, three wooden crates hold red tomatoes, striped eggplants and yellow lemons, each type kept in its own crate. An adult vendor wearing a plain white shirt stands behind the stall, handing a small paper bag to an adult customer in a green jacket. A striped blue-and-white canopy casts cool shade over the stall. Beyond them, a narrow pedestrian street slopes toward a distant harbor with two white sailboats. Warm sunlight touches the upper walls but the foreground remains softly shaded. Compose the scene in layers with natural human proportions, believable hands, clear separation between people, baskets and produce, and rich but realistic color. Avoid artificial lens flares, watermarks and unreadable signs.
Q8_0 · 496.444s native
Q8_0: A detailed travel photograph of a lively Mediterranean open-air produce market in early morning. In the foreground, three wooden crates hold red tomatoes, striped eggplants and yellow lemons, each type kept in its own crate. An adult vendor wearing a plain white shirt stands behind the stall, handing a small paper bag to an adult customer in a green jacket. A striped blue-and-white canopy casts cool shade over the stall. Beyond them, a narrow pedestrian street slopes toward a distant harbor with two white sailboats. Warm sunlight touches the upper walls but the foreground remains softly shaded. Compose the scene in layers with natural human proportions, believable hands, clear separation between people, baskets and produce, and rich but realistic color. Avoid artificial lens flares, watermarks and unreadable signs.
Exact matched prompt

A detailed travel photograph of a lively Mediterranean open-air produce market in early morning. In the foreground, three wooden crates hold red tomatoes, striped eggplants and yellow lemons, each type kept in its own crate. An adult vendor wearing a plain white shirt stands behind the stall, handing a small paper bag to an adult customer in a green jacket. A striped blue-and-white canopy casts cool shade over the stall. Beyond them, a narrow pedestrian street slopes toward a distant harbor with two white sailboats. Warm sunlight touches the upper walls but the foreground remains softly shaded. Compose the scene in layers with natural human proportions, believable hands, clear separation between people, baskets and produce, and rich but realistic color. Avoid artificial lens flares, watermarks and unreadable signs.

Pair 10 · seed 51

Q4: 10.771s from previous native completion to start · Q8: 36.492s from previous native completion to start

Q4_K_M · 223.135s native
Q4_K_M: Create a highly detailed cinematic architectural illustration of a remote mountain observatory at blue hour after a light snowfall. The building occupies the right two-thirds of the square image: a circular pale-stone base supports one weathered copper dome, whose open viewing slit points toward the upper left. A narrow exterior staircase with dark iron handrails climbs from a small lower entrance to a balcony; every step has a thin undisturbed layer of snow. One adult astronomer in a dark red winter coat stands on the balcony with a small white notebook held closed in one gloved hand, looking toward the sky. Place a warm amber lamp immediately above the entrance, creating a pool of light on the stone without illuminating the whole landscape. In the lower left foreground, a crooked pine tree and two exposed granite rocks frame a winding path that leads toward the building. Behind the observatory, show distant mountain ridges fading from slate blue into violet mist. The sky contains scattered sharp stars and a faint natural Milky Way band, with no oversized planets or fantasy moons. Balance warm interior light against cold ambient snow light, use physically plausible perspective, careful separation of the staircase rails and the figure, and visible differences between copper, stone, glass, fabric and snow. The final scene should feel quiet, inhabited and believable. Do not add titles, labels, logos, watermarks, extra people, extra domes or duplicate staircases.
Q8_0 · 421.721s native
Q8_0: Create a highly detailed cinematic architectural illustration of a remote mountain observatory at blue hour after a light snowfall. The building occupies the right two-thirds of the square image: a circular pale-stone base supports one weathered copper dome, whose open viewing slit points toward the upper left. A narrow exterior staircase with dark iron handrails climbs from a small lower entrance to a balcony; every step has a thin undisturbed layer of snow. One adult astronomer in a dark red winter coat stands on the balcony with a small white notebook held closed in one gloved hand, looking toward the sky. Place a warm amber lamp immediately above the entrance, creating a pool of light on the stone without illuminating the whole landscape. In the lower left foreground, a crooked pine tree and two exposed granite rocks frame a winding path that leads toward the building. Behind the observatory, show distant mountain ridges fading from slate blue into violet mist. The sky contains scattered sharp stars and a faint natural Milky Way band, with no oversized planets or fantasy moons. Balance warm interior light against cold ambient snow light, use physically plausible perspective, careful separation of the staircase rails and the figure, and visible differences between copper, stone, glass, fabric and snow. The final scene should feel quiet, inhabited and believable. Do not add titles, labels, logos, watermarks, extra people, extra domes or duplicate staircases.
Exact matched prompt

Create a highly detailed cinematic architectural illustration of a remote mountain observatory at blue hour after a light snowfall. The building occupies the right two-thirds of the square image: a circular pale-stone base supports one weathered copper dome, whose open viewing slit points toward the upper left. A narrow exterior staircase with dark iron handrails climbs from a small lower entrance to a balcony; every step has a thin undisturbed layer of snow. One adult astronomer in a dark red winter coat stands on the balcony with a small white notebook held closed in one gloved hand, looking toward the sky. Place a warm amber lamp immediately above the entrance, creating a pool of light on the stone without illuminating the whole landscape. In the lower left foreground, a crooked pine tree and two exposed granite rocks frame a winding path that leads toward the building. Behind the observatory, show distant mountain ridges fading from slate blue into violet mist. The sky contains scattered sharp stars and a faint natural Milky Way band, with no oversized planets or fantasy moons. Balance warm interior light against cold ambient snow light, use physically plausible perspective, careful separation of the staircase rails and the figure, and visible differences between copper, stone, glass, fabric and snow. The final scene should feel quiet, inhabited and believable. Do not add titles, labels, logos, watermarks, extra people, extra domes or duplicate staircases.

qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · Initial Q8 request; inherited runtime state · seed 42

Seed 42 · 555.306 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · Initial Q8 request; inherited runtime state · seed 42

Download PNG · 0.26 MiB

  • Coherent seated orange fox figurine with a visible long tail on the same kind of pale desk and cream backdrop.
  • Main subject, colors, desk, plain background and lighting are followed.
  • Strong fur-like grooves and a matte molded/carved appearance remain weak matches for ceramic.
  • Legs, pointed ears and tail are coherent; tail is more clearly separated from the body than in the Q4 counterpart.
  • No requested or apparent text.
  • Ceramic material adherence remains weak.
Exact prompt
A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 42
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 19,
    "complexity": "Very short / retained runtime pair",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 555.30645,
    "comfy_server_seconds": 541.41,
    "stages_seconds": {
      "node_3_observer_receive_interval": 251.85999999998603,
      "node_1_observer_receive_interval": 3.375,
      "node_5_observer_receive_interval": 0.061999999976251274,
      "node_10_observer_receive_interval": 0.0940000000409782,
      "node_9_observer_receive_interval": 0,
      "node_6_observer_receive_interval": 218.375,
      "node_7_observer_receive_interval": 63.78099999995902,
      "node_8_observer_receive_interval": 1.6880000000237487
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "11",
      "12",
      "2",
      "4"
    ],
    "same_runtime_retained": null,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "Initial Q8 request; inherited runtime state",
      "native_inter_run_gap_seconds": null,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": false,
      "cold_start_scope": "Initial Q8 request inherits whatever prior Comfy loader/encoder/VAE/cache state the native history records; not an isolated matched cold start."
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 266,
      "inflight_sample_count": 265,
      "minimum_ram_available_bytes": 287170560,
      "minimum_commit_available_bytes": 6065737728,
      "minimum_system_drive_free_bytes": 18640691200,
      "maximum_sampled_device_gpu_used_mib": 3288
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-01.png",
      "mime_type": "image/png",
      "size_bytes": 274418,
      "sha256": "7ef1329d51c7bb11f4e28e060eda9d1b51987ba7b3bee193097cffcd278b2e4a",
      "source_sha256": "556fdea8e8ec710a785c3c261c232f31b253e380ff98238e05d98d0106765dfd",
      "width": 512,
      "height": 512,
      "pixel_sha256": "c49e0d746066cba3243803aaf1f05f26b0f7813a537ee24bd93ffe6dfad40c34",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

Workflow snapshot

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · Same brief, next seed · seed 43

Seed 43 · 94.082 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · Same brief, next seed · seed 43

Download PNG · 0.27 MiB

  • Coherent seated fox figurine with a cleaner, well-defined face and the same restrained studio layout.
  • Fox, orange/white coloring, pale wood, cream backdrop and gentle light are present.
  • Some glossy highlights on the face improve the molded figurine impression, but the body retains fur-like texture rather than convincingly glazed ceramic.
  • Both visible eyes read as consistent dark eyes; legs and seated body are plausible for a stylized figurine.
  • No text requested or apparent.
  • Ceramic material is still only partly convincing.
Exact prompt
A small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 43
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 19,
    "complexity": "Very short / retained runtime pair",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA small orange ceramic fox on a pale wooden desk, soft morning light, plain cream background, realistic studio photograph."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 94.081507,
    "comfy_server_seconds": 93.391,
    "stages_seconds": {
      "node_9_observer_receive_interval": 0,
      "node_6_observer_receive_interval": 64.78099999995902,
      "node_7_observer_receive_interval": 28.32800000003772,
      "node_8_observer_receive_interval": 0.06299999996554106
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "1",
      "10",
      "11",
      "12",
      "2",
      "3",
      "4",
      "5"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": true,
    "context": {
      "workload": "Same brief, next seed",
      "native_inter_run_gap_seconds": 24.958,
      "only_seed_changed_from_predecessor": true,
      "text_changed_from_predecessor": false,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 48,
      "inflight_sample_count": 47,
      "minimum_ram_available_bytes": 7388266496,
      "minimum_commit_available_bytes": 6521286656,
      "minimum_system_drive_free_bytes": 18640384000,
      "maximum_sampled_device_gpu_used_mib": 3678
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": true,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-02.png",
      "mime_type": "image/png",
      "size_bytes": 285033,
      "sha256": "b95e85aa25c31a4e7c8d487f22ce1f2e7c3d06b9cc216837cf14f6c9a38bfd30",
      "source_sha256": "0dbd79b20b3d209dc55faf000e29cf3257b3d635da0933e8488a01425e025416",
      "width": 512,
      "height": 512,
      "pixel_sha256": "16dc0397c03fad956f13fed14caef19810a8fe2a72275067a7de3eedb4fc6d76",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

Workflow snapshot

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 44

Seed 44 · 629.011 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 44

Download PNG · 0.44 MiB

  • Coherent lake-and-mountain landscape with similar framing and a yellow craft near the rocky shore.
  • Turquoise water, snowy mountains and sunrise highlights follow the brief. The canoe-like object remains heavily cropped.
  • Reflections, snow, trees and rocky shore are distinct, though the mountain texture remains granular.
  • Mountain and shoreline arrangement is plausible; the yellow object's complete canoe geometry cannot be assessed.
  • No text requested or apparent.
  • Canoe is again cropped and not fully legible.
  • Fine speckling/grain remains visible.
Exact prompt
A turquoise alpine lake beneath snowy mountains at sunrise, a yellow canoe near the shore, crisp natural landscape photograph.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 44
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 19,
    "complexity": "Short landscape",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA turquoise alpine lake beneath snowy mountains at sunrise, a yellow canoe near the shore, crisp natural landscape photograph."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA turquoise alpine lake beneath snowy mountains at sunrise, a yellow canoe near the shore, crisp natural landscape photograph."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 629.011242,
    "comfy_server_seconds": 620.242,
    "stages_seconds": {
      "node_3_observer_receive_interval": 457.125,
      "node_10_observer_receive_interval": 0.030999999959021807,
      "node_9_observer_receive_interval": 0.031000000017229468,
      "node_6_observer_receive_interval": 103.73499999998603,
      "node_7_observer_receive_interval": 58.18700000003446,
      "node_8_observer_receive_interval": 0.9529999999795109
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "1",
      "11",
      "12",
      "2",
      "4",
      "5"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 29.801,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 305,
      "inflight_sample_count": 304,
      "minimum_ram_available_bytes": 3119046656,
      "minimum_commit_available_bytes": 6233202688,
      "minimum_system_drive_free_bytes": 18639925248,
      "maximum_sampled_device_gpu_used_mib": 3696
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-03.png",
      "mime_type": "image/png",
      "size_bytes": 461825,
      "sha256": "2dfbd05bf21f7fba65aea51c89633111550da5db80e79b620db256cff1785f15",
      "source_sha256": "bd23c14a7cc97582b0205a230fd08a3243b511a34f5fc32b9e409b6d622c8057",
      "width": 512,
      "height": 512,
      "pixel_sha256": "3fd1f8ec30960ff1795b4867e51e56a7b40a88f0f1b53310e81753ccac34849f",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 45

Seed 45 · 543.330 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 45

Download PNG · 0.27 MiB

  • Coherent near-identical product composition of teapot, copper arch handle, slate and folded linen.
  • Main materials, viewpoint and uncluttered background match; the requested count of two separate napkins remains unclear.
  • Matte black body, copper sheen, slate and cloth remain distinct and convincing.
  • Spout opening, lid, handle attachments and body proportions are broadly plausible.
  • No text requested or apparent.
  • Two separate napkins are not clearly distinguishable.
Exact prompt
Product photograph of a matte black ceramic teapot with a warm copper handle, resting on dark slate beside two pale linen napkins. Three-quarter view, softbox lighting, crisp material detail, uncluttered background.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 45
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 31,
    "complexity": "Product materials",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nProduct photograph of a matte black ceramic teapot with a warm copper handle, resting on dark slate beside two pale linen napkins. Three-quarter view, softbox lighting, crisp material detail, uncluttered background."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nProduct photograph of a matte black ceramic teapot with a warm copper handle, resting on dark slate beside two pale linen napkins. Three-quarter view, softbox lighting, crisp material detail, uncluttered background."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 543.329845,
    "comfy_server_seconds": 532.767,
    "stages_seconds": {
      "node_3_observer_receive_interval": 377.2029999999795,
      "node_10_observer_receive_interval": 0.01600000000325963,
      "node_9_observer_receive_interval": 0.07800000003771856,
      "node_6_observer_receive_interval": 104.32799999997951,
      "node_7_observer_receive_interval": 49.78100000001723,
      "node_8_observer_receive_interval": 0.5
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "1",
      "11",
      "12",
      "2",
      "4",
      "5"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 30.086,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 264,
      "inflight_sample_count": 263,
      "minimum_ram_available_bytes": 2217934848,
      "minimum_commit_available_bytes": 6302269440,
      "minimum_system_drive_free_bytes": 18645995520,
      "maximum_sampled_device_gpu_used_mib": 3718
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-04.png",
      "mime_type": "image/png",
      "size_bytes": 278775,
      "sha256": "094e3428bb6ff578ed21429e54d712fe29a4a566d704524556faa230b9027ece",
      "source_sha256": "567c9b9575a9142afbe91219ca617aee8c50f61e1dfd6de058855eab53346ab6",
      "width": 512,
      "height": 512,
      "pixel_sha256": "051eef9e42d01f3ebdcc8317d02c9de4f054780f474ece8053b820c4132ca254",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 46

Seed 46 · 450.407 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 46

Download PNG · 0.42 MiB

  • Coherent bakery storefront with the same main layout, warm windows, bicycle and wet pavement.
  • The sign again visibly reads exactly MORNING BREAD; cream block lettering, orange interior and bicycle are present.
  • Metal/sign frame, glazing, masonry and reflective paving read distinctly.
  • Storefront and bicycle placement are plausible. Lettering is smaller and more centered within a visibly framed sign than in Q4.
  • Exact requested phrase MORNING BREAD is visibly correct; one phrase does not establish general typography performance.
  • Fine bicycle/spoke detail remains somewhat soft.
Exact prompt
A cozy neighborhood bakery storefront on a rainy evening. The main sign clearly reads "MORNING BREAD" in cream block letters. Warm light glows through the windows, a bicycle leans beside the door, wet paving reflects the orange interior, realistic street photograph.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 46
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 41,
    "complexity": "Readable sign",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA cozy neighborhood bakery storefront on a rainy evening. The main sign clearly reads \"MORNING BREAD\" in cream block letters. Warm light glows through the windows, a bicycle leans beside the door, wet paving reflects the orange interior, realistic street photograph."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA cozy neighborhood bakery storefront on a rainy evening. The main sign clearly reads \"MORNING BREAD\" in cream block letters. Warm light glows through the windows, a bicycle leans beside the door, wet paving reflects the orange interior, realistic street photograph."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 450.406838,
    "comfy_server_seconds": 444.96,
    "stages_seconds": {
      "node_2_observer_receive_interval": 7.0939999999827705,
      "node_3_observer_receive_interval": 130.5779999999795,
      "node_12_observer_receive_interval": 0,
      "node_11_observer_receive_interval": 0,
      "node_1_observer_receive_interval": 0.6880000000237487,
      "node_5_observer_receive_interval": 0.045999999972991645,
      "node_10_observer_receive_interval": 0,
      "node_9_observer_receive_interval": 0.01600000000325963,
      "node_6_observer_receive_interval": 254.90600000001723,
      "node_7_observer_receive_interval": 50.10999999998603,
      "node_8_observer_receive_interval": 0.9060000000172295
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "4"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 29.459,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 219,
      "inflight_sample_count": 218,
      "minimum_ram_available_bytes": 287666176,
      "minimum_commit_available_bytes": 6242459648,
      "minimum_system_drive_free_bytes": 18656088064,
      "maximum_sampled_device_gpu_used_mib": 3310
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-05.png",
      "mime_type": "image/png",
      "size_bytes": 444622,
      "sha256": "88bd2fae64109b369cb4d594ebc4812e9efc804e42147f3a95371ef45cf10c3b",
      "source_sha256": "c9c6676a4f12e1acba5efcd3c76b252006320eaf3d9d091fcfbab7b0c779cd10",
      "width": 512,
      "height": 512,
      "pixel_sha256": "770973fa0fd0ed80cd2b5907a659b4c94a646d28e603cf513aca1a59a7abf74a",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 47

Seed 47 · 398.641 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 47

Download PNG · 0.62 MiB

  • Coherent greenhouse in a very similar arrangement, with the green door, potted foliage, hanging plants and watering can retained.
  • The main architecture and objects follow the brief. A brighter triangular light patch near the doorway gives a somewhat clearer geometric light/shadow impression, but orchids remain indistinct.
  • Plant, brick, glazing and metal surfaces remain distinguishable, with similar granular fine detail.
  • Greenhouse framing and path perspective are readable; dense foliage still obscures some fine geometry.
  • No people or text requested or visibly apparent.
  • Hanging orchids are still not clearly identifiable.
  • Fine foliage/window detail remains granular.
Exact prompt
A bright Victorian glass greenhouse filled with lush ferns, hanging orchids and terracotta pots. A narrow brick path curves from the bottom left toward an open green door at the far end. Morning sunlight makes geometric shadows through the iron window frames. Include a single brass watering can beside the path and misty trees beyond the glass. Architectural photograph, balanced natural colors, no people or text.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 47
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 66,
    "complexity": "Botanical architecture",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA bright Victorian glass greenhouse filled with lush ferns, hanging orchids and terracotta pots. A narrow brick path curves from the bottom left toward an open green door at the far end. Morning sunlight makes geometric shadows through the iron window frames. Include a single brass watering can beside the path and misty trees beyond the glass. Architectural photograph, balanced natural colors, no people or text."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA bright Victorian glass greenhouse filled with lush ferns, hanging orchids and terracotta pots. A narrow brick path curves from the bottom left toward an open green door at the far end. Morning sunlight makes geometric shadows through the iron window frames. Include a single brass watering can beside the path and misty trees beyond the glass. Architectural photograph, balanced natural colors, no people or text."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 398.641356,
    "comfy_server_seconds": 384.654,
    "stages_seconds": {
      "node_3_observer_receive_interval": 235.75,
      "node_10_observer_receive_interval": 0.10999999998603016,
      "node_9_observer_receive_interval": 0,
      "node_6_observer_receive_interval": 95.70300000003772,
      "node_7_observer_receive_interval": 50.71899999998277,
      "node_8_observer_receive_interval": 1.8589999999967404
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "1",
      "11",
      "12",
      "2",
      "4",
      "5"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 890.033,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 194,
      "inflight_sample_count": 193,
      "minimum_ram_available_bytes": 1661558784,
      "minimum_commit_available_bytes": 6305247232,
      "minimum_system_drive_free_bytes": 18661183488,
      "maximum_sampled_device_gpu_used_mib": 3704
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-06.png",
      "mime_type": "image/png",
      "size_bytes": 649004,
      "sha256": "7b02df3e6f1e2a7a31ae1e330b3ef52f84bf63f3752f06398d3506fa5be13dcd",
      "source_sha256": "73c03dcdb5c440568dcdec9979127ed736d0613dc059ffede5a84b2f4dc5bdb7",
      "width": 512,
      "height": 512,
      "pixel_sha256": "2f6102d84e274549b863a45de4e05366796023626b8a17bd746ff090ca64ad2b",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 48

Seed 48 · 453.319 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 48

Download PNG · 0.40 MiB

  • Similarly convincing waist-up artist portrait with clear face and bowl supported in both hands.
  • Main clothing, studio background, dark curls and lighting match. Silver strands remain unclear and the hands again support the side/underside of the bowl rather than both gripping its rim.
  • Skin, blue fabric, cream shirt and matte pottery are well differentiated.
  • Broad face/body proportions and hand contacts remain plausible; small overlapping fingers cannot be fully counted. No obvious extra limb.
  • No text requested or apparent.
  • Silver hair specificity is not clear.
  • Precise fingers-around-rim pose remains only partly followed.
Exact prompt
An editorial portrait of an adult female ceramic artist in her forties working in a sunlit pottery studio. She wears a blue linen apron over a cream shirt and calmly holds a small unfinished bowl in both hands, fingers naturally curled around the rim. Her face is clear and expressive, with a few silver strands in dark curly hair. Shelves of glazed pottery remain softly out of focus behind her. Frame from the waist upward, eye-level camera, gentle window light from the left, documentary realism.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 48
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 85,
    "complexity": "Portrait / hands",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nAn editorial portrait of an adult female ceramic artist in her forties working in a sunlit pottery studio. She wears a blue linen apron over a cream shirt and calmly holds a small unfinished bowl in both hands, fingers naturally curled around the rim. Her face is clear and expressive, with a few silver strands in dark curly hair. Shelves of glazed pottery remain softly out of focus behind her. Frame from the waist upward, eye-level camera, gentle window light from the left, documentary realism."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nAn editorial portrait of an adult female ceramic artist in her forties working in a sunlit pottery studio. She wears a blue linen apron over a cream shirt and calmly holds a small unfinished bowl in both hands, fingers naturally curled around the rim. Her face is clear and expressive, with a few silver strands in dark curly hair. Shelves of glazed pottery remain softly out of focus behind her. Frame from the waist upward, eye-level camera, gentle window light from the left, documentary realism."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 453.319236,
    "comfy_server_seconds": 447.995,
    "stages_seconds": {
      "node_2_observer_receive_interval": 7.344000000040978,
      "node_3_observer_receive_interval": 119.68799999996554,
      "node_12_observer_receive_interval": 0.015000000013969839,
      "node_11_observer_receive_interval": 0.01600000000325963,
      "node_1_observer_receive_interval": 0.7970000000204891,
      "node_5_observer_receive_interval": 0.030999999959021807,
      "node_10_observer_receive_interval": 0,
      "node_9_observer_receive_interval": 0.031000000017229468,
      "node_6_observer_receive_interval": 267.98499999998603,
      "node_7_observer_receive_interval": 51.20300000003772,
      "node_8_observer_receive_interval": 0.7969999999622814
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "4"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 27.12,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 220,
      "inflight_sample_count": 219,
      "minimum_ram_available_bytes": 282181632,
      "minimum_commit_available_bytes": 6292496384,
      "minimum_system_drive_free_bytes": 18659364864,
      "maximum_sampled_device_gpu_used_mib": 3316
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-07.png",
      "mime_type": "image/png",
      "size_bytes": 417436,
      "sha256": "c24819ceed4e04d73059569d9e4646e9985ecd0aa203bb8d964c95ec482bc6d0",
      "source_sha256": "4aeb59be6bebadd8a76b0b34e67b5449d39f25df2eaf687bb15ebd10a8ffb4a1",
      "width": 512,
      "height": 512,
      "pixel_sha256": "b9e6ab5eea8a74fcd8a24538012a56b43cf895ab52882cdd344ca27ed6045122",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

Workflow snapshot

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 49

Seed 49 · 412.482 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 49

Download PNG · 0.50 MiB

  • Coherent and detailed library illustration with a more explicitly articulated robot placing a red book, a wooden stool and a recognizable small blue bird.
  • Main scene and palette are followed. The head is predominantly opaque brass with a small blue porthole, weakening the requested round glass-head detail.
  • Brass body and painted wood/books read well, but the head looks mainly metallic rather than glass.
  • Arms and feet are more clearly articulated and bird is legible. Small fingers still cannot be confidently counted from overlapping poses.
  • No legible caption or written lettering is apparent.
  • Head material departs from the requested glass head.
  • Exact three-visible-fingers count remains uncertain.
Exact prompt
A charming small brass robot with a round glass head stands on a wooden step stool inside an enormous old library, carefully returning a red book to a high shelf. The robot has two articulated arms and three visible fingers on each hand. A tiny blue mechanical bird perches on its shoulder. Bookshelves curve toward a domed ceiling painted with constellations; the far aisle is illuminated by warm amber lamps. Render as a detailed hand-painted storybook illustration with teal shadows, golden highlights and a clear focal point. Keep the robot, stool and book visibly separate, with no extra limbs, no captions and no written lettering.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 49
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 105,
    "complexity": "Stylized story scene",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA charming small brass robot with a round glass head stands on a wooden step stool inside an enormous old library, carefully returning a red book to a high shelf. The robot has two articulated arms and three visible fingers on each hand. A tiny blue mechanical bird perches on its shoulder. Bookshelves curve toward a domed ceiling painted with constellations; the far aisle is illuminated by warm amber lamps. Render as a detailed hand-painted storybook illustration with teal shadows, golden highlights and a clear focal point. Keep the robot, stool and book visibly separate, with no extra limbs, no captions and no written lettering."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA charming small brass robot with a round glass head stands on a wooden step stool inside an enormous old library, carefully returning a red book to a high shelf. The robot has two articulated arms and three visible fingers on each hand. A tiny blue mechanical bird perches on its shoulder. Bookshelves curve toward a domed ceiling painted with constellations; the far aisle is illuminated by warm amber lamps. Render as a detailed hand-painted storybook illustration with teal shadows, golden highlights and a clear focal point. Keep the robot, stool and book visibly separate, with no extra limbs, no captions and no written lettering."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 412.481696,
    "comfy_server_seconds": 398.832,
    "stages_seconds": {
      "node_3_observer_receive_interval": 258.93800000002375,
      "node_10_observer_receive_interval": 0.061999999976251274,
      "node_9_observer_receive_interval": 0.0940000000409782,
      "node_6_observer_receive_interval": 106.93799999996554,
      "node_7_observer_receive_interval": 31.46799999999348,
      "node_8_observer_receive_interval": 1.0160000000032596
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "1",
      "11",
      "12",
      "2",
      "4",
      "5"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 25.972,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 201,
      "inflight_sample_count": 200,
      "minimum_ram_available_bytes": 1740980224,
      "minimum_commit_available_bytes": 6278934528,
      "minimum_system_drive_free_bytes": 18658504704,
      "maximum_sampled_device_gpu_used_mib": 3708
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-08.png",
      "mime_type": "image/png",
      "size_bytes": 524628,
      "sha256": "1d78cf07753e1db1757a5fe7c53a9a39a7a397092be7c92e3b941f7e31133768",
      "source_sha256": "214e9ed46256b38fa389e32f86f98883dbbf6d9e148335276ea15044c2fdf9e0",
      "width": 512,
      "height": 512,
      "pixel_sha256": "1a51d6861e5d4dd838b0af9ab77e7e41724b9ddbb5a5e5a553698bf00ae1c794",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

Workflow snapshot

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 50

Seed 50 · 506.572 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 50

Download PNG · 0.42 MiB

  • Coherent market transaction in a very similar composition, with three produce crates and the requested two main adults.
  • Most named colors, objects and lighting are followed. The small handoff area still does not clearly establish a paper bag; tiny sailboats cannot be confidently counted.
  • Fabric, vegetables and wooden crates read distinctly; the distant harbor remains soft.
  • Vendor posture changes slightly and silhouettes remain plausible. Fingers at the handoff are too small/occluded to certify anatomy or grasp.
  • No prominent legible sign or watermark appears.
  • Paper bag and handoff remain ambiguous.
  • Fine hand detail and exact boat count remain uncertain.
Exact prompt
A detailed travel photograph of a lively Mediterranean open-air produce market in early morning. In the foreground, three wooden crates hold red tomatoes, striped eggplants and yellow lemons, each type kept in its own crate. An adult vendor wearing a plain white shirt stands behind the stall, handing a small paper bag to an adult customer in a green jacket. A striped blue-and-white canopy casts cool shade over the stall. Beyond them, a narrow pedestrian street slopes toward a distant harbor with two white sailboats. Warm sunlight touches the upper walls but the foreground remains softly shaded. Compose the scene in layers with natural human proportions, believable hands, clear separation between people, baskets and produce, and rich but realistic color. Avoid artificial lens flares, watermarks and unreadable signs.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 50
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 128,
    "complexity": "Crowded composition",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA detailed travel photograph of a lively Mediterranean open-air produce market in early morning. In the foreground, three wooden crates hold red tomatoes, striped eggplants and yellow lemons, each type kept in its own crate. An adult vendor wearing a plain white shirt stands behind the stall, handing a small paper bag to an adult customer in a green jacket. A striped blue-and-white canopy casts cool shade over the stall. Beyond them, a narrow pedestrian street slopes toward a distant harbor with two white sailboats. Warm sunlight touches the upper walls but the foreground remains softly shaded. Compose the scene in layers with natural human proportions, believable hands, clear separation between people, baskets and produce, and rich but realistic color. Avoid artificial lens flares, watermarks and unreadable signs."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nA detailed travel photograph of a lively Mediterranean open-air produce market in early morning. In the foreground, three wooden crates hold red tomatoes, striped eggplants and yellow lemons, each type kept in its own crate. An adult vendor wearing a plain white shirt stands behind the stall, handing a small paper bag to an adult customer in a green jacket. A striped blue-and-white canopy casts cool shade over the stall. Beyond them, a narrow pedestrian street slopes toward a distant harbor with two white sailboats. Warm sunlight touches the upper walls but the foreground remains softly shaded. Compose the scene in layers with natural human proportions, believable hands, clear separation between people, baskets and produce, and rich but realistic color. Avoid artificial lens flares, watermarks and unreadable signs."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 506.57207,
    "comfy_server_seconds": 496.444,
    "stages_seconds": {
      "node_2_observer_receive_interval": 7.5,
      "node_3_observer_receive_interval": 119.32799999997951,
      "node_12_observer_receive_interval": 0.01600000000325963,
      "node_11_observer_receive_interval": 0.015000000013969839,
      "node_1_observer_receive_interval": 0.75,
      "node_5_observer_receive_interval": 0.046999999962281436,
      "node_10_observer_receive_interval": 0.01600000000325963,
      "node_9_observer_receive_interval": 0,
      "node_6_observer_receive_interval": 304.0780000000377,
      "node_7_observer_receive_interval": 62.68699999997625,
      "node_8_observer_receive_interval": 1.1410000000032596
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "4"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 38.627,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 244,
      "inflight_sample_count": 243,
      "minimum_ram_available_bytes": 287199232,
      "minimum_commit_available_bytes": 6060220416,
      "minimum_system_drive_free_bytes": 18655449088,
      "maximum_sampled_device_gpu_used_mib": 3322
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-09.png",
      "mime_type": "image/png",
      "size_bytes": 440918,
      "sha256": "582d6cbd288214bc1fe72d967f4fc8dfe6e02877cdc911ad6239b69a312bee6c",
      "source_sha256": "8899960bd59e443153c8b42af68860fc6b9424e1e976d7ca8146fdfaa72f1d05",
      "width": 512,
      "height": 512,
      "pixel_sha256": "78d6c81f60e9b48d08ff057e3eaf9474bb55b3e666a5f5fe2936fa92182b6f05",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

Workflow snapshot

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qwen21-turbo-q8-comparison · succeeded

Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 51

Seed 51 · 438.159 s Factory trace

Generated output: Qwen Image 2.1 Turbo Q8_0 · New brief, retained Q8 runtime · seed 51

Download PNG · 0.39 MiB

  • Coherent near-matched observatory scene with the same dome, figure, staircase and mountain/pine framing.
  • Main composition and lighting remain faithful. The sky still lacks visible stars or Milky Way, and the figure's skyward gaze is not clearly conveyed.
  • Copper-like dark dome, smooth pale wall, snow, iron rails and red coat are distinguishable.
  • Main architecture remains plausible; staircase and rail outlines change slightly without an obvious clear improvement.
  • No requested or apparent title, logo or watermark.
  • Requested stars/Milky Way are still missing.
  • Skyward gaze remains unclear.
  • Exact foreground rock count and fine masonry detail remain uncertain.
Exact prompt
Create a highly detailed cinematic architectural illustration of a remote mountain observatory at blue hour after a light snowfall. The building occupies the right two-thirds of the square image: a circular pale-stone base supports one weathered copper dome, whose open viewing slit points toward the upper left. A narrow exterior staircase with dark iron handrails climbs from a small lower entrance to a balcony; every step has a thin undisturbed layer of snow. One adult astronomer in a dark red winter coat stands on the balcony with a small white notebook held closed in one gloved hand, looking toward the sky. Place a warm amber lamp immediately above the entrance, creating a pool of light on the stone without illuminating the whole landscape. In the lower left foreground, a crooked pine tree and two exposed granite rocks frame a winding path that leads toward the building. Behind the observatory, show distant mountain ridges fading from slate blue into violet mist. The sky contains scattered sharp stars and a faint natural Milky Way band, with no oversized planets or fantasy moons. Balance warm interior light against cold ambient snow light, use physically plausible perspective, careful separation of the staircase rails and the figure, and visible differences between copper, stone, glass, fabric and snow. The final scene should feel quiet, inhabited and believable. Do not add titles, labels, logos, watermarks, extra people, extra domes or duplicate staircases.
Parameters and prompt details
{
  "parameters": {
    "1 UnetLoaderGGUFAdvanced": {
      "unet_name": "qwen-image-2.1-turbo-Q8_0.gguf",
      "dequant_dtype": "float32",
      "patch_dtype": "float32",
      "patch_on_device": false
    },
    "2 CLIPLoader": {
      "clip_name": "qwen3vl_8b_int8_convrot.safetensors",
      "type": "qwen_image",
      "device": "cpu"
    },
    "3 TextEncodeQwenImage21": {
      "negative_prompt": "",
      "resolution": 512
    },
    "4 VAELoader": {
      "vae_name": "qwen_image_2.1_vae_bf16.safetensors"
    },
    "5 QwenImage21Cache": {
      "device": "off",
      "dtype": "default"
    },
    "6 SamplerCustomAdvanced": {},
    "7 VAEDecode": {},
    "8 SaveImage": {},
    "9 RandomNoise": {
      "noise_seed": 51
    },
    "10 CFGGuider": {
      "cfg": 1.0
    },
    "11 KSamplerSelect": {
      "sampler_name": "euler"
    },
    "12 ManualSigmas": {
      "sigmas": "1.0, 0.978453, 0.95418, 0.926626, 0.89508, 0.845148, 0.704534, 0.414568, 0"
    }
  },
  "prompt_details": {
    "word_count": 235,
    "complexity": "Elaborate constraints",
    "conditioning_texts": {
      "3.prompt": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nCreate a highly detailed cinematic architectural illustration of a remote mountain observatory at blue hour after a light snowfall. The building occupies the right two-thirds of the square image: a circular pale-stone base supports one weathered copper dome, whose open viewing slit points toward the upper left. A narrow exterior staircase with dark iron handrails climbs from a small lower entrance to a balcony; every step has a thin undisturbed layer of snow. One adult astronomer in a dark red winter coat stands on the balcony with a small white notebook held closed in one gloved hand, looking toward the sky. Place a warm amber lamp immediately above the entrance, creating a pool of light on the stone without illuminating the whole landscape. In the lower left foreground, a crooked pine tree and two exposed granite rocks frame a winding path that leads toward the building. Behind the observatory, show distant mountain ridges fading from slate blue into violet mist. The sky contains scattered sharp stars and a faint natural Milky Way band, with no oversized planets or fantasy moons. Balance warm interior light against cold ambient snow light, use physically plausible perspective, careful separation of the staircase rails and the figure, and visible differences between copper, stone, glass, fabric and snow. The final scene should feel quiet, inhabited and believable. Do not add titles, labels, logos, watermarks, extra people, extra domes or duplicate staircases."
    },
    "actual_positive_text": "Create a single image from the supplied scene description.\n\nSource generation_brief:\nCreate a highly detailed cinematic architectural illustration of a remote mountain observatory at blue hour after a light snowfall. The building occupies the right two-thirds of the square image: a circular pale-stone base supports one weathered copper dome, whose open viewing slit points toward the upper left. A narrow exterior staircase with dark iron handrails climbs from a small lower entrance to a balcony; every step has a thin undisturbed layer of snow. One adult astronomer in a dark red winter coat stands on the balcony with a small white notebook held closed in one gloved hand, looking toward the sky. Place a warm amber lamp immediately above the entrance, creating a pool of light on the stone without illuminating the whole landscape. In the lower left foreground, a crooked pine tree and two exposed granite rocks frame a winding path that leads toward the building. Behind the observatory, show distant mountain ridges fading from slate blue into violet mist. The sky contains scattered sharp stars and a faint natural Milky Way band, with no oversized planets or fantasy moons. Balance warm interior light against cold ambient snow light, use physically plausible perspective, careful separation of the staircase rails and the figure, and visible differences between copper, stone, glass, fabric and snow. The final scene should feel quiet, inhabited and believable. Do not add titles, labels, logos, watermarks, extra people, extra domes or duplicate staircases."
  }
}
Timings, cache and resources
{
  "timing": {
    "factory_trace_seconds": 438.158993,
    "comfy_server_seconds": 421.721,
    "stages_seconds": {
      "node_3_observer_receive_interval": 271.4529999999795,
      "node_10_observer_receive_interval": 0.09399999998277053,
      "node_9_observer_receive_interval": 0.07800000003771856,
      "node_6_observer_receive_interval": 109.71899999998277,
      "node_7_observer_receive_interval": 38.34399999998277,
      "node_8_observer_receive_interval": 1.5310000000172295
    },
    "limits": "Native execution, Factory traces and delivery have distinct boundaries. Observer node intervals include preparation/loading/event delivery rather than isolated kernels."
  },
  "cache": {
    "cached_nodes": [
      "1",
      "11",
      "12",
      "2",
      "4",
      "5"
    ],
    "same_runtime_retained": true,
    "immediate_warm_claim": false,
    "encoder_cached": false,
    "context": {
      "workload": "New brief, retained Q8 runtime",
      "native_inter_run_gap_seconds": 36.492,
      "only_seed_changed_from_predecessor": false,
      "text_changed_from_predecessor": true,
      "cold_start_scope": null
    }
  },
  "resources": {
    "sampled_summary": {
      "sample_count": 214,
      "inflight_sample_count": 213,
      "minimum_ram_available_bytes": 1676922880,
      "minimum_commit_available_bytes": 6116065280,
      "minimum_system_drive_free_bytes": 18656489472,
      "maximum_sampled_device_gpu_used_mib": 3730
    },
    "limits": "Device-wide samples include display and other workloads. No dedicated-VRAM residency or absence of shared-memory paging is established."
  }
}
Encoder observations
{
  "encoder_cached": false,
  "token_truncation_verified": false,
  "interpretation": "Full actual composed conditioning text is retained; exact token truncation was not instrumented."
}
Verification and checksums
{
  "verification": {
    "full_decode": true,
    "checksum": true,
    "acknowledged": true,
    "trace_attachment": true,
    "native_experiment": true,
    "native_comparable_Q4_Q8_experiments": true,
    "independent_public_copy_decode": true,
    "visual_review": true,
    "quality_scope": "Independent subjective inspection of this original 512×512 PNG, distinct from technical delivery. No objective aesthetic superiority is inferred."
  },
  "media": [
    {
      "path": "media/qwen-turbo-q8-10.png",
      "mime_type": "image/png",
      "size_bytes": 407712,
      "sha256": "cb3c5d829cb30129f74442fefc2032f8be35ecfbd9d81c4b81472505ed7a10bf",
      "source_sha256": "13f28784aab93b227102174e63d0d0570d6880486a6d60d92cd6d42ddafed3d9",
      "width": 512,
      "height": 512,
      "pixel_sha256": "d25571a0a9ac6a2aedb4569c01b8937b12fca6d4260f257881d456a5cbe86eb9",
      "metadata_handling": "PNG re-encoded losslessly without ancillary metadata; decoded pixels unchanged.",
      "public_copy_full_decode_passed": true,
      "source_content_preserved": "Decoded pixels byte-identical"
    }
  ]
}

Workflow snapshot

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