arXiv:2411.16796v1 Announce Type: new
Abstract: As demand grows for complex tasks and high-performance applications in edge computing, the deployment of large models in federated learning has become increasingly urgent, given their superior representational power and generalization capabilities. However, the resource constraints and heterogeneity among clients present significant challenges to this deployment. To tackle these challenges, we introduce HeteroTune, an innovative fine-tuning framework tailored for model-heterogeneity federated learning (MHFL). In particular, we propose a novel parameter-efficient fine-tuning (PEFT) structure, called FedAdapter, which employs a multi-branch cross-model aggregator to enable efficient knowledge aggregation across diverse models. Benefiting from the lightweight FedAdapter, our approach significantly reduces both the computational and communication overhead. Finally, our approach is simple yet effective, making it applicable to a wide range of large model fine-tuning tasks. Extensive experiments on computer vision (CV) and natural language processing (NLP) tasks demonstrate that our method achieves state-of-the-art results, seamlessly integrating efficiency and performance.
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