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README.md
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license_link: LICENSE
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---
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license_link: LICENSE
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---
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<p align="center">
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<img src="assets/logo.jpg" height=100>
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</p>
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# FastHunyuan Model Card
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## Model Details
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FastHunyuan is an accelerated [HunyuanVideo](https://huggingface.co/tencent/HunyuanVideo) model. It can sample high quality videos with 6 diffusion steps. That brings around 8X speed up compared to the original HunyuanVideo with 50 steps.
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- **Developed by** [Hao AI Lab](https://hao-ai-lab.github.io/)
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- **License** tencent-hunyuan-community
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- **Distilled from** [HunyuanVideo](https://huggingface.co/tencent/HunyuanVideo)
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## [Github Repository](https://github.com/hao-ai-lab/FastVideo)
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## Usage
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- Clone [Fastvideo](https://github.com/hao-ai-lab/FastVideo) repository and follow the inference instructions in the README.
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- Alternatively, you can inference FastHunyuan using the official [Hunyuan Video repository](https://github.com/Tencent/HunyuanVideo) by **setting the shift to 17 and steps to 6**.
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## Training details
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FastHunyuan is consistency distillated on the [MixKit](https://huggingface.co/datasets/LanguageBind/Open-Sora-Plan-v1.1.0/tree/main) dataset with the following hyperparamters:
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- Batch size: 16
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- Resulotion: 720x1280
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- Num of frames: 125
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- Train steps: 320
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- GPUs: 32
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- LR: 1e-6
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- Loss: huber
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## Evaluation
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We provide some qualitative comparison between FastHunyuan 6 step inference v.s. the original Hunyuan with 6 step inference:
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assets/logo.jpg
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