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license: apache-2.0
tags:
- image-generation
- autoregressive
- flashar
- llamagen
---
# LlamaGen-FlashAR
This repository collects FlashAR checkpoints for LlamaGen variants.
FlashAR is introduced in **"FlashAR: Efficient Post-Training Acceleration for Autoregressive Image Generation"**. It accelerates raster-scan autoregressive image generation with a vertical prediction branch and a learnable fusion gate, enabling anti-diagonal decoding.
- Paper: [arXiv:2605.09430](https://arxiv.org/abs/2605.09430)
- Project page: [FlashAR](https://lxazjk.github.io/FlashAR/)
- Code: [LlamaGen-FlashAR](https://github.com/lxazjk/LlamaGen-FlashAR)
## Checkpoints
| Variant | Directory | Checkpoint | Extra files |
| --- | --- | --- | --- |
| LlamaGen-B | `B/` | `B/FlashAR-LlamaGen-B.pt` | `B/FlashAR-LlamaGen-B.json` |
| LlamaGen-L | `L/` | `L/FlashAR-LlamaGen-L.pt` | `L/metrics.json` |
| LlamaGen-XL | `XL/` | `XL/FlashAR-LlamaGen-XL.pt` | `XL/FlashAR-LlamaGen-XL.json` |
| LlamaGen-XXL | `XXL/` | `XXL/FlashAR-LlamaGen-XXL.pt` | `XXL/metrics.json` |
Each subdirectory also includes the source model card and `configuration.json` from the corresponding ModelScope checkpoint.
## Layout
```text
.
├── B/
│ ├── FlashAR-LlamaGen-B.pt
│ ├── FlashAR-LlamaGen-B.json
│ ├── configuration.json
│ └── README.md
├── L/
│ ├── FlashAR-LlamaGen-L.pt
│ ├── metrics.json
│ ├── configuration.json
│ └── README.md
├── XL/
│ ├── FlashAR-LlamaGen-XL.pt
│ ├── FlashAR-LlamaGen-XL.json
│ ├── configuration.json
│ └── README.md
└── XXL/
├── FlashAR-LlamaGen-XXL.pt
├── metrics.json
├── configuration.json
└── README.md
```
## Citation
```bibtex
@article{zhou2026flashar,
title={FlashAR: Efficient Post-Training Acceleration for Autoregressive Image Generation},
author={Zhou, Junkang and He, Yefei and Chen, Feng and Wang, Weijie and Zhuang, Bohan},
journal={arXiv preprint arXiv:2605.09430},
year={2026}
}
```
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