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Were RNNs All We Needed?

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arxiv 2410.01201 v3 pith:LHIA7KCL submitted 2024-10-02 cs.LG cs.AI

Were RNNs All We Needed?

classification cs.LG cs.AI
keywords transformersmodelssequenceduringmodellingparallelizableperformancerecurrent
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The introduction of Transformers in 2017 reshaped the landscape of deep learning. Originally proposed for sequence modelling, Transformers have since achieved widespread success across various domains. However, the scalability limitations of Transformers - particularly with respect to sequence length - have sparked renewed interest in novel recurrent models that are parallelizable during training, offer comparable performance, and scale more effectively. In this work, we revisit sequence modelling from a historical perspective, focusing on Recurrent Neural Networks (RNNs), which dominated the field for two decades before the rise of Transformers. Specifically, we examine LSTMs (1997) and GRUs (2014). We demonstrate that by simplifying these models, we can derive minimal versions (minLSTMs and minGRUs) that (1) use fewer parameters than their traditional counterparts, (2) are fully parallelizable during training, and (3) achieve surprisingly competitive performance on a range of tasks, rivalling recent models including Transformers.

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Cited by 13 Pith papers

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