Pengxiang Zhao Hui-Ling Zhen Xing Li 0023 Han Bao Weizhe Lin Zhiyuan Yang 0003 Manyi Zhang Yuanyong Luo Ziwei Yu Xin Wang Mingxuan Yuan Xianzhi Yu Zhenhua Dong Unleashing Low-Bit Inference on Ascend NPUs: A Comprehensive Evaluation of HiFloat Formats. 2026 February abs/2602.12635 CoRR https://doi.org/10.48550/arXiv.2602.12635 db/journals/corr/corr2602.html#abs-2602-12635 streams/journals/corr