@article{tailawarehifloat4w4a4posttrainingquantiz,
  title = {Tail-Aware HiFloat4: W4A4 Post-Training Quantization for Wan2.2},
  author = {Zhanfeng Feng and Shuai Guo and Xin Di and Long Peng and Yang Cao and Zhengjun Zha},
  year = {2026},
  eprint = {2605.26628},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.26628},
}