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Long-Short Transformer: Efficient Transformers for Language and Vision

NeurIPS 2021 · Architectures and efficiency › Attention and transformers · approach: Sparse efficient transformers for long context · 56 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Combine dynamic projection with local window attentionDynamic Projection · ListOpsaccuracy (%): 37.79 -> 38.36Helped
Combine dynamic projection with local window attentionDynamic Projection · Textaccuracy (%): 66.28 -> 68.40Helped
Combine dynamic projection with local window attentionDynamic Projection · Retrievalaccuracy (%): 81.86 -> 81.95No clear effect
Use dynamic projection instead of Linformer’s fixed projectionLinformer · Textaccuracy (%): 56.12 -> 66.28Helped
Use dynamic projection with local window attentionRoBERTa-large · IMDbaccuracy (%): 96.5 -> 96.8Helped
Use dynamic projection with local window attentionLongformer · enwik8 testBPC: 1.00 -> 0.99Helped
Replace ViL attention with long-short attentionViL-Base · ImageNet-1K 224²top-1 accuracy (%): 83.7 -> 84.1Helped
Replace CvT attention with long-short attentionCvT-21 · ImageNet-1K 224²top-1 accuracy (%): 82.5 -> 82.7Helped
Train ViL-LS-Medium at 384² instead of 224²ViL-LS-Medium · ImageNet-1Ktop-1 accuracy (%): 83.8 -> 84.4Helped
Add DualLN to align the local and global attention scales (ablation)CvT*-LS-13 · ImageNet-1K validationtop-1 accuracy (%): 81.3 -> 81.9Helped
Use a longer warmup scheduleLRA models · RetrievalaccuracyHelped
Increase model depth and width in early high-resolution stagesCvT*-LS-21 · ImageNet-1K 224²top-1 accuracy (%): 82.7 -> 82.9Helped

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