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README.md
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# EdgeDiffusion - Distilled
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A pruned and distilled Stable Diffusion 1.5 UNet (647.2M params, ~25% smaller than original 858.5M).
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## Pipeline
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1. **Iterative Pruning**: 4 rounds of ~7% Taylor-importance pruning (858.5M → 647.2M)
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2. **Knowledge Distillation**: 15K steps with Realistic Vision v5.1 as teacher (feature + noise MSE loss)
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## Files
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| File | Description |
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|------|-------------|
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| `pruned_unet.safetensors` | Pruned + distilled UNet weights |
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| `pruned_unet.config.json` | Model config (contains `model_config` for rebuilding) |
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| `pruned_rebuild.py` | Script to rebuild the pruned UNet architecture |
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## Usage
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```python
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# 1. Download all 3 files to the same directory, then:
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from pruned_rebuild import create_unet_from_safetensors
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from diffusers import StableDiffusionPipeline
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import torch
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# 2. Rebuild the pruned UNet
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unet = create_unet_from_safetensors(
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"pruned_unet.safetensors",
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"pruned_unet.config.json"
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)
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# 3. Load into a standard SD 1.5 pipeline
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pipe = StableDiffusionPipeline.from_pretrained(
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"runwayml/stable-diffusion-v1-5",
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unet=unet,
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torch_dtype=torch.float16,
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safety_checker=None,
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)
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pipe = pipe.to("cuda")
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# 4. Generate
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image = pipe("a beautiful sunset over mountains", num_inference_steps=30).images[0]
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image.save("output.png")
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```
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## Requirements
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```
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pip install diffusers transformers safetensors torch accelerate
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```
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