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Personalized Federated Learning with First Order Model Optimization

ICLR 2021 · Federated learning and privacy › Personalized and heterogeneous FL · approach: Bayesian personalized FL · 26 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use client-specific weighted combinations of downloaded models instead of one shared FedAvg modelFedFomo · MNIST and CIFAR-10, pathological non-IID, 100 clientsaccuracy: 78.83 \pm 9.68 -> 98.81 \pm 1.26 (MNIST); 53.08 \pm 7.40 -> 92.67 \pm 4.21 (CIFAR-10)Helped
Use client-specific weighted combinations of downloaded models instead of one shared FedAvg modelFedFomo · CIFAR-10, pathological non-IID, 15 clientsaccuracy: 57.12 \pm 1.14 -> 93.01 \pm 0.96No clear effect
Use client-specific weighted combinations of downloaded models instead of one shared FedAvg modelFedFomo · MNIST, pathological non-IID, 15 clientsaccuracy: 91.97 \pm 2.17 -> 99.63 \pm 0.07Mixed
Use client-specific weighted combinations of downloaded models instead of one shared FedAvg modelFedFomo · CIFAR-10, pathological non-IID, 15 clientsaccuracy: 57.12 \pm 1.14 -> 93.01 \pm 0.96Mixed
Increase the number of clients from 15 to 100FedFomo · Pathological non-IID MNIST and CIFAR-10accuracy: 99.62 \pm 2.91 -> 98.81 \pm 1.26 (MNIST n=5); 93.01 \pm 0.96 -> 92.10 \pm 5.20 (CIFAR-10 n=5)Mixed
Add client-specific model evaluation on a validation split reflecting the target distributionFedFomo · Out-of-local-distribution CIFAR-10 evaluationaccuracyHelped
Use FedProx's proximal term to reduce model-weight divergenceFedProx · Latent-distribution non-IID image classificationaccuracyNo clear effect
Share 5% of training data across clientsFedAvg · Latent-distribution non-IID image classificationaccuracyHelped
Add FedFomo personalization to standard federated trainingFedFomo · Pathological non-IID CIFAR-10, evaluation over communication roundsaccuracyHelped

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