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HeteroFL: Computation and Communication Efficient Federated Learning for Heterogeneous Clients

ICLR 2021 · Federated learning and privacy › Communication-efficient FL · approach: Efficient local training in FL · 192 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Train heterogeneous clients with nested-width subnetworks and aggregate shared parameter subsetsHeteroFL · CIFAR10 IIDaccuracy: 69.76 -> 91.19Helped
Use mixed computation levels a and e instead of all clients at level aHeteroFL · CIFAR10 IIDaccuracy: 91.19 -> 90.29Hurt
Use mixed computation levels a and e instead of all clients at level aHeteroFL · CIFAR10 IIDParameters: 9.6 M -> 4.8 MHelped
Use sBN instead of InstanceNorm (ablation)Model a · CIFAR10 IIDaccuracy: 87.7 -> 91.7Helped
Use sBN instead of InstanceNorm (ablation)Model e · CIFAR10 IIDaccuracy: 66.4 -> 77.0Helped
Add Masked CrossEntropy (ablation)HeteroFL a-e with sBN · CIFAR10 non-IID Globalaccuracy: 41.3 -> 60.4Helped
Add Masked CrossEntropy (ablation)HeteroFL a-e with sBN · MNIST non-IID Localaccuracy: 99.2 -> 99.8Helped
Add Scaler (ablation)HeteroFL a-e with sBN · CIFAR10 IIDaccuracy: 90.1 -> 90.1No clear effect

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