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Workshop: Associative Memory & Hopfield Networks in 2023

Associative Memories with Heavy-Tailed Data

Vivien Cabannes · Elvis Dohmatob · Alberto Bietti


Learning arguably involves the discovery and memorization of abstract rules.But how associative memories appear in transformer architectures optimized with gradient descent algorithms?We derive precise scaling laws for a simple input-output associative memory model with respect to parameter size, and discuss the statistical efficiency of different estimators, including optimization-based algorithms.We provide extensive numerical experiments to validate and interpret theoretical results, including fine-grained visualizations of the stored memory associations.

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