Yihong Dong Zhaoyu Ma Xue Jiang Zhiyuan Fan Jiaru Qian Yongmin Li Jianha Xiao Zhi Jin 0001 Rongyu Cao Binhua Li Fei Huang 0002 Yongbin Li Ge Li 0001 Saber: An Efficient Sampling with Adaptive Acceleration and Backtracking Enhanced Remasking for Diffusion Language Model. 2025 October abs/2510.18165 CoRR https://doi.org/10.48550/arXiv.2510.18165 db/journals/corr/corr2510.html#abs-2510-18165 streams/journals/corr