Why it matters

Grokking hints at generalization mechanisms. Research area with training implications.

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The architecture

Memorize first.

Generalize suddenly later.

Weight decay drives.

Grokking phenomenonMemorizeearly phaseLong trainingwith weight decayGroksudden generalizationPower et al. 2022; not yet fully explained; active research area
Grokking phenomenon.
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How it works end to end

Power et al. 2022.

Weight decay matters.

Long training needed.