From Deterioration to Acceleration: A Calibration Approach to Rehabilitating Step Asynchronism in Federated Optimization
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Abstract (arXiv)
In the setting of federated optimization, where a global model is aggregated periodically, step asynchronism occurs when participants conduct model training by efficiently utilizing their computational resources. It is well acknowledged that step asynchronism leads to objective inconsistency under non-i.i.d. data, which degrades the model's accuracy. To address this issue, we propose a new algorithm FedaGrac, which calibrates the local direction to a predictive global orientation. Taking advantage of the estimated orientation, we guarantee that the aggregated model does not excessively deviate from the global optimum while fully utilizing the local updates of faster nodes. We theoretically prove that FedaGrac holds an improved order of convergence rate than the state-of-the-art approaches and eliminates the negative effect of step asynchronism. Empirical results show that our algorithm accelerates the training and enhances the final accuracy.
Key facts. Cited by 8 papers in the map (data through 7 Oct 2026). Builds on 37 of its 68 references that are in the map. First posted on arXiv 17 Dec 2021.
Builds on
37 of 68 references.
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25 more
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Built on by
Citing papers per year: 2022: 2; 2023: 0; 2024: 3; 2025: 1; 2026: 2.
8 papers.
- 2024FIARSE: Model-Heterogeneous Federated Learning via Importance-Aware Submodel Extractioncited by 21
- 2022Anchor Sampling for Federated Learning with Partial Client Participationcited by 14
- 2024Towards Federated RLHF with Aggregated Client Preference for LLMscited by 11
- 2022GlueFL: Reconciling Client Sampling and Model Masking for Bandwidth Efficient Federated Learningcited by 7
- 2024Hierarchical Federated Learning with Multi-Timescale Gradient Correctioncited by 7
- 2025Towards Privacy-Preserving and Heterogeneity-aware Split Federated Learning via Probabilistic Maskingcited by 0
- 2026Representation-Aligned Multi-Scale Personalization for Federated Learningcited by 0
- 2026Dysco: Dynamic Subspace Boosting to Mitigate LoRA Interference in Federated Learningcited by 0
- 2026Dysco: Dynamic Subspace Boosting to Mitigate LoRA Interference in Federated Learning15 Jul 2026
- 2026Representation-Aligned Multi-Scale Personalization for Federated Learning13 Apr 2026
- 2025Towards Privacy-Preserving and Heterogeneity-aware Split Federated Learning via Probabilistic Masking18 Sep 2025
- 2024Hierarchical Federated Learning with Multi-Timescale Gradient Correction27 Sep 2024
- 2024FIARSE: Model-Heterogeneous Federated Learning via Importance-Aware Submodel Extraction28 Jul 2024
- 2024Towards Federated RLHF with Aggregated Client Preference for LLMs3 Jul 2024
- 2022GlueFL: Reconciling Client Sampling and Model Masking for Bandwidth Efficient Federated Learning3 Dec 2022
- 2022Anchor Sampling for Federated Learning with Partial Client Participation13 Jun 2022