Different Tunes Played with Equal Skill: Exploring a Unified Optimization Subspace for Parameter-Efficient Tuning Jing Yi author Weize Chen author Yujia Qin author Yankai Lin author Ning Ding author Xu Han author Zhiyuan Liu author Maosong Sun author Jie Zhou author 2022-12 text Findings of the Association for Computational Linguistics: EMNLP 2022 Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication yi-etal-2022-different 10.18653/v1/2022.findings-emnlp.244 https://aclanthology.org/2022.findings-emnlp.244/ 2022-12 3348 3366