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Personalized Federated Learning: A Unified Framework and Universal Optimization Techniques

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arxiv 2102.09743 v4 pith:2UNVVBQR submitted 2021-02-19 cs.LG

classification cs.LG
keywords personalizedoptimizationgeneralobjectivesoptimizersacceleratedcommunicationcomputation
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We investigate the optimization aspects of personalized Federated Learning (FL). We propose general optimizers that can be applied to numerous existing personalized FL objectives, specifically a tailored variant of Local SGD and variants of accelerated coordinate descent/accelerated SVRCD. By examining a general personalized objective capable of recovering many existing personalized FL objectives as special cases, we develop a comprehensive optimization theory applicable to a wide range of strongly convex personalized FL models in the literature. We showcase the practicality and/or optimality of our methods in terms of communication and local computation. Remarkably, our general optimization solvers and theory can recover the best-known communication and computation guarantees for addressing specific personalized FL objectives. Consequently, our proposed methods can serve as universal optimizers, rendering the design of task-specific optimizers unnecessary in many instances.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. FedAPM: Federated Learning via ADMM with Partial Model Personalization

    cs.LG 2025-06 conditional novelty 6.0 of 10

    FedAPM applies ADMM with first- and second-order proximal corrections to partial model personalization in federated learning, proving global convergence and reporting better accuracy, F1, and AUC than FedAlt, FedSim, ...

  2. Strategies for Improving Communication Efficiency in Distributed and Federated Learning: Compression, Local Training, and Personalization

    cs.LG 2025-09 conditional novelty 3.0 of 10

    A PhD dissertation showing unified compression theory, personalized accelerated local training, and pruning methods that reduce communication costs in federated learning and maintain accuracy in LLM pruning.

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