arXivXun Dong, Yibo Xu, Naigang Wang, Xin Li, Penghang Yin, Zi YangWed, Jul 1, 2026, 9:12 AM PDT

score 17.1

Activation-informed method cuts memory for fine-tuning large AI models

Original: ZO-Act: Efficient Zeroth-Order Fine-Tuning via One-Shot Activation-Informed Low-Rank Subspaces

Writing ELI5 summary…