Freezing query and key attention weights still lets transformers form induction heads and stay close to standard performance on language modeling, while random static attention (MixiT) fails on in-context tasks but succeeds on memorization and algorithmic tasks.
Are transformers universal approximators of sequence-to-sequence functions? InInternational Conference on Learning Representations, 2020
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Is Random Attention Sufficient for Sequence Modeling? Disentangling Trainable Components in the Transformer
Freezing query and key attention weights still lets transformers form induction heads and stay close to standard performance on language modeling, while random static attention (MixiT) fails on in-context tasks but succeeds on memorization and algorithmic tasks.