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Research map / Architectures and efficiency / RNNs and normalization

Deep Learning Through the Lens of Example Difficulty

NeurIPS 2021 · Architectures and efficiency › RNNs and normalization · approach: Representation geometry and collapse · 20 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use layer-4 k-NN probe prediction instead of final network prediction for examples ambiguous without their labelResNet18 · CIFAR10, 100 most 'ambiguous unless label given' validation examplesaccuracy: 25% -> 98%Helped
switch from CE to 0-Hinge loss while also using full-batch GD with small learning rate (ablation)VGG16 · CIFAR10 horse vs deermean output margin: $1.6\times 10^{1}$ -> $2.0\times 10^{-4}$Helped
switch from CE to 0-Hinge loss only (keep SGD) (ablation)VGG16 · CIFAR10 horse vs deermean output margin: $1.6\times 10^{1}$ -> $6\times 10^{-2}$Helped
switch to full-batch GD with small LR only (keep CE) (ablation)VGG16 · CIFAR10 horse vs deermean output margin: $1.6\times 10^{1}$ -> $1.1\times 10^{1}$No clear effect
margin-minimizing intervention (0-Hinge + GD) instead of CE + SGD (ablation)VGG16 · CIFAR10 horse vs deertest accuracy: 87.6% -> 69.5%Hurt
reduce output margin via 0-Hinge loss and GD (ablation)VGG16 · CIFAR10prediction depthHurt

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