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Research map / Architectures and efficiency / RNNs and normalization

ALP-KD: Attention-Based Layer Projection for Knowledge Distillation

AAAI 2021 · Architectures and efficiency › RNNs and normalization · approach: Mechanistic circuit interpretability · 112 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace selected-layer matching with attention-weighted combinations of all teacher layersBERT student distilled from BERT Base · GLUE validation, 2-layer studentAverage: 66.28 -> 67.08Helped
Replace selected-layer matching with attention-weighted combinations of all teacher layersBERT student distilled from BERT Base · GLUE validation, 4-layer studentAverage: 76.44 -> 77.01Helped
Replace selected-layer matching with attention-weighted combinations of all teacher layersBERT student distilled from BERT Base · GLUE validation, 6-layer studentAverage: 80.17 -> 80.41Helped
Add intermediate-layer distillation to final-prediction distillationBERT student distilled from BERT Base · GLUE validation, 4-layer studentAverage: 76.02 -> 76.44Helped
Replace layer skipping with concatenation-and-projection combinationsCKD BERT student · GLUE validation, 4-layer studentAverage: 76.44 -> 76.73Helped
Use partial bucket overlap instead of no overlap (ablation)CKD BERT student · GLUE validation, 4-layer studentAverage: 76.37 -> 76.73Helped
Use partial bucket overlap instead of no overlap (ablation)ALP BERT student · GLUE validation, 4-layer studentAverage: 76.82 -> 76.89Helped
Remove bucket boundaries and attend over all teacher layers (ablation)ALP BERT student · GLUE validation, 4-layer studentAverage: 76.89 -> 77.01Helped
Remove bucket boundaries and attend over all teacher layers (ablation)ALP BERT student · GLUE validation, 6-layer studentAverage: 80.52 -> 80.41Hurt
Replace dot-product attention with single-head key-query-value attention (ablation)ALP BERT student · GLUE validation, 4-layer studentAverage: 77.01 -> 76.49Hurt
Replace dot-product attention with 4-head key-query-value attention (ablation)ALP BERT student · GLUE validation, 4-layer studentAverage: 77.01 -> 76.82Hurt
Increase key-query-value attention from one head to four heads (ablation)ALP key-query-value variants · GLUE validation, 4-layer studentAverage: 76.49 -> 76.82Helped

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