lllyasviel / lllyasviel/stable-diffusion-webui-forge
SD upscale ignores batch count after the first image in Img2Img
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- Dominant language
- Python
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Description
Steps to Reproduce:
Open Img2Img tab and select Flux, Batch mode
Upload 3 images
Set Batch count to 3
Under Scripts, enable SD upscale and configure valid parameters
Click Generate
Expected Behavior:
Forge should generate 9 images total (3 base images × 3 SD upscale passes per image)
Actual Behavior:
Forge generates only 5 images:
3 images from the first batch item (as expected)
Only 1 image each from the second and third batch items
Summary:
The SD upscale script applies the batch count only to the first image. Subsequent batch images receive only a single upscale pass, ignoring the specified batch count.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in the Img2Img batch-processing path and the SD upscale script, using the listed reproduction steps with three uploaded images and a batch count of three. Confirm the current output and trace how later batch items are handled; done means Forge generates all 9 expected images, with three upscale passes for each base image.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- machine-learning
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 48/100