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What is: Sandwich Transformer?

SourceImproving Transformer Models by Reordering their Sublayers
Year2000
Data SourceCC BY-SA - https://paperswithcode.com

A Sandwich Transformer is a variant of a Transformer that reorders sublayers in the architecture to achieve better performance. The reordering is based on the authors' analysis that models with more self-attention toward the bottom and more feedforward sublayers toward the top tend to perform better in general.