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Research map / Architectures and efficiency / RNNs and normalization

Exploring the Limits of Large Scale Pre-training

ICLR 2022 · Architectures and efficiency › RNNs and normalization · approach: Layer-wise analysis of language models · 33 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Increase pre-training head weight decay from 0.0 to 5.0 (ablation)ViT-B/32 · VTAB-1K CIFAR-100accuracy: 0.51 -> 0.79Helped
Increase pre-training head weight decay from 0.0 to 5.0 (ablation)ViT-B/32 · VTAB-1K SUN397accuracy: 0.42 -> 0.65Helped
Increase pre-training head weight decay from 0.0 to 5.0 (ablation)ViT-B/32 · VTAB-1K CLEVR-countaccuracy: 0.72 -> 0.42Hurt
Increase pre-training head weight decay from 0.0 to 5.0 (ablation)ViT-B/32 · VTAB-1K dSprites-orientationaccuracy: 0.58 -> 0.58No clear effect
Increase pre-training head weight decay from 0.0 to 5.0 (ablation)ViT-B/32 · VTAB-1Kaccuracy: VTAB-ALL: 0.69 -> 0.68Mixed
Increase upstream pre-training accuracy through scalingVision Transformer, MLP-Mixer, and ResNet pre-training · Downstream image recognition tasksaccuracyMixed
Use representations from lower layers instead of the pre-logit layer (ablation)Pre-trained model representations · ColHistaccuracyHelped
Increase head weight decay beyond the upstream-optimal value (ablation)Pre-training head · JFT upstream task versus selected downstream tasksaccuracyMixed
Decrease the head learning rate relative to the rest of the network (ablation)Pre-training head · JFT upstream task and downstream tasksaccuracyMixed
Increase the number of downstream few-shot examples (ablation)Frozen pre-trained representations and linear classifier · Downstream few-shot tasksirreducible errorHelped
Fit the power law to the convex hull rather than all data points (ablation)Downstream-versus-upstream accuracy prediction · Held-out high-upstream-accuracy pointsprediction errorHelped
Scale model size, upstream data size, or training epochs (ablation)Controlled ViT pre-training · Downstream few-shot image recognitionaccuracyMixed

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