@article{ccldahighprecisiondiagnosticsystemforslo,
  title = {CCL-D: A High-Precision Diagnostic System for Slow and Hang Anomalies in Large-Scale Model Training},
  author = {Yida Gu and Fakang Wang and Jianhao Fu and Zhenhang Sun and Qianyu Zhang and Hairui Zhao and Xingchen Liu and Yang Tian and Wenjing Huang and Zedong Liu and Yifan Chen and Jinwu Yang and Yueyuan Zhou and Qian Zhao and Haoxu Li and Tao Wang and Feng Yu and Zhan Wang and Guangming Tan and Dingwen Tao},
  year = {2026},
  eprint = {2605.04478},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.04478},
}