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#1 How Distributed Collaboration Influences the Diffusion Model Training? A Theoretical Perspective [PDF1] [Copy] [Kimi] [REL]

Authors: Jing Qiao, Yu Liu, YUAN YUAN, Xiao Zhang, Zhipeng Cai, Dongxiao Yu

This paper examines the theoretical performance of distributed diffusion models in environments where computational resources and data availability vary significantly among workers. Traditional models centered on single-worker scenarios fall short in such distributed settings, particularly when some workers are resource-constrained. This discrepancy in resources and data diversity challenges the assumption of accurate score function estimation foundational to single-worker models. We establish the inaugural generation error bound for distributed diffusion models in resource-limited settings, establishing a linear relationship with the data dimension $d$ and consistency with established single-worker results. Our analysis highlights the critical role of hyperparameter selection in influencing the training dynamics, which are key to the performance of model generation. This study provides a streamlined theoretical approach to optimizing distributed diffusion models, paving the way for future research in this area.

Subject: ICML.2025 - Poster