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Recurrent ViT matches full-depth accuracy with 70% fewer stored parameters

huggingface.co by Adrian Bulat et al. Editor score 8/10

reViT programs a shared bank of FFN experts by recurrent depth; its from-scratch model matches DeiT III accuracy with about 70% fewer stored parameters. The distilled model also retains nearly all teacher linear-probe accuracy across several tasks.

What
reViT applies one Transformer block recurrently, matching a full-depth vision encoder’s accuracy at comparable inference FLOPs.
Method
At each recurrent depth, a normalized-depth coordinate programs a convex mixture of shared experts for the FFN transformation.
Why it matters
It achieves DeiT III accuracy with about 70% fewer stored parameters, and elastic-depth training supports multiple tested depths from one checkpoint.
programs mixt… convex combin… depth transfo… normalized-depthcoordinate shared expertbank FFN singleTransformer
A normalized-depth coordinate programs expert mixtures that supply recurrent FFN transformations. Sketched from the article's own text.

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