Trained ResNets on CIFAR-10 retain measurable dependence on initialization scale under low-LR SGD (26.5 pp test accuracy spread) but not under Adam, indicating that practical inductive bias is shaped by the forgetting time scale of the optimizer and regularizers.
On the Trajectories of SGD Without Replacement
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Mini-batch noise reverses how Adam's β2 controls anti-regularization, making default momentum values suitable for small batches but requiring β1 closer to β2 for large batches to favor flatter minima.
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Do Deep Networks Forget Initialization? A Forgetting-Time View of Practical Inductive Bias
Trained ResNets on CIFAR-10 retain measurable dependence on initialization scale under low-LR SGD (26.5 pp test accuracy spread) but not under Adam, indicating that practical inductive bias is shaped by the forgetting time scale of the optimizer and regularizers.
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The Effect of Mini-Batch Noise on the Implicit Bias of Adam
Mini-batch noise reverses how Adam's β2 controls anti-regularization, making default momentum values suitable for small batches but requiring β1 closer to β2 for large batches to favor flatter minima.
- Convergence of difference inclusions: a diameter criterion and step-size conditions