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PeriodicLoRA: Breaking the Low-Rank Bottleneck in LoRA Optimization
Feb. 27, 2024, 5:49 a.m. | Xiangdi Meng, Damai Dai, Weiyao Luo, Zhe Yang, Shaoxiang Wu, Xiaochen Wang, Peiyi Wang, Qingxiu Dong, Liang Chen, Zhifang Sui
cs.CL updates on arXiv.org arxiv.org
Abstract: Supervised fine-tuning is the most common method to adapt large language models (LLMs) to downstream tasks, but full fine-tuning LLMs requires massive computational resources. Recently, parameter-efficient fine-tuning (PEFT) methods have been widely studied due to its cost-effectiveness. LoRA is one of the most widely used methods, which assumes that the optimization process is essentially low-dimensional. Although LoRA fine-tuning is effective, there is still a performance gap compared to full fine-tuning, since its weight update is …
abstract adapt arxiv breaking computational cost cs.cl fine-tuning language language models large language large language models llms lora low massive optimization peft resources supervised fine-tuning tasks type
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