@article{gradientcompressionmayhurtgeneralization, title = {Gradient Compression May Hurt Generalization: A Remedy by Synthetic Data Guided Sharpness Aware Minimization}, author = {Yujie Gu and Richeng Jin and Zhaoyang Zhang and Huaiyu Dai}, year = {2026}, eprint = {2602.11584}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.11584}, }