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Consensus Control for Decentralized Deep Learning
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Reduce phase-1 consensus distance from Xi max to 1/4 Xi max (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 91.78 ± 0.35 -> 92.74 ± 0.10 | Helped |
| Reduce phase-1 consensus distance from Xi max to 1/2 Xi max (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 91.78 ± 0.35 -> 92.36 ± 0.21 | Helped |
| Reduce phase-1 consensus distance below 1/4 Xi max (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 92.74 for 1/4 Xi max; 92.77 for 1/8 Xi max; 92.72 for 1/16 Xi max | No clear effect |
| Allow non-negligible consensus distance in phase 2 rather than using centralized averaging (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 92.82 -> 93.04 | Helped |
| Reduce phase-2 consensus distance from Xi max to 1/4 Xi max (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 93.04 ± 0.01 -> 92.87 ± 0.11 | Hurt |
| Reduce phase-3 consensus distance from Xi max to 1/4 Xi max (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 92.60 ± 0.00 -> 92.85 ± 0.24 | Helped |
| Reduce phase-1 consensus distance from Xi max to 1/2 Xi max (ablation) | ResNet-20-3 · ImageNet-32, n=16, ring | test top-1 accuracy: 51.22 ± 0.08 -> 51.79 ± 0.10 | Helped |
| Reduce phase-1 consensus distance from Xi max to 1/4 Xi max (ablation) | ResNet-20-3 · ImageNet-32, n=16, ring | test top-1 accuracy: 51.22 ± 0.08 -> 51.71 ± 0.03 | Helped |
| Change consensus distance in phase 3 (ablation) | ResNet-20-3 · ImageNet-32, n=16, ring | test top-1 accuracy: 51.80 ± 0.10; 51.81 ± 0.13; 51.81 ± 0.04 | No clear effect |
| Use longer phase-1 training instead of reducing phase-1 consensus distance (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 91.78 ± 0.35 -> 92.04 ± 0.14; 92.36 ± 0.21 -> 92.67 ± 0.13 | Mixed |
| Control only the initial phase and leave later phases decentralized (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 91.78 ± 0.35 -> 92.81 ± 0.22 | Helped |
| Use local-estimate consensus control with q=1e{-}4 for phase 1 (ablation) | ResNet-20 · CIFAR-10, n=32, ring | test top-1 accuracy: 91.78 ± 0.35 -> 92.85 ± 0.16 | Helped |
Closest papers by meaning
- From Promise to Practice: Realizing High-performance Decentralized Training (ICLR 2025 · similarity 0.92)
- On The Surprising Effectiveness of a Single Global Merging in Decentralized Learning (ICLR 2026 · similarity 0.88)
- A Decentralized Parallel Algorithm for Training Generative Adversarial Nets (NeurIPS 2020 · similarity 0.88)
- DIMAT: Decentralized Iterative Merging-And-Training for Deep Learning Models (CVPR 2024 · similarity 0.88)
- Unveiling the Power of Multiple Gossip Steps: A Stability-Based Generalization Analysis in Decentralized Training (NeurIPS 2025 · similarity 0.87)
- Decentralized Diffusion Models (CVPR 2025 · similarity 0.86)
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