Robust Federated Finetuning of Foundation Models via Alternating Minimization of LoRA

• URL: http://arxiv.org/abs/2409.02346v1
• Date: Wed, 4 Sep 2024 00:20:55 GMT
• Title: Robust Federated Finetuning of Foundation Models via Alternating Minimization of LoRA
• Authors: Shuangyi Chen, Yue Ju, Hardik Dalal, Zhongwen Zhu, Ashish Khisti,
• Abstract summary: RoLoRA is a robust federated fine-tuning framework that utilizes an alternating approach for LoRA. Our results indicate that RoLoRA not only presents the communication benefits but also substantially enhances the robustness and effectiveness in multiple federated fine-tuning scenarios.
• Score: 14.789886179102425
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Parameter-Efficient Fine-Tuning (PEFT) has risen as an innovative training strategy that updates only a select few model parameters, significantly lowering both computational and memory demands. PEFT also helps to decrease data transfer in federated learning settings, where communication depends on the size of updates. In this work, we explore the constraints of previous studies that integrate a well-known PEFT method named LoRA with federated fine-tuning, then introduce RoLoRA, a robust federated fine-tuning framework that utilizes an alternating minimization approach for LoRA, providing greater robustness against decreasing fine-tuning parameters and increasing data heterogeneity. Our results indicate that RoLoRA not only presents the communication benefits but also substantially enhances the robustness and effectiveness in multiple federated fine-tuning scenarios.

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