Scaling Transformer to 1M tokens and beyond with RMT (Paper Explained)

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2 years ago
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deep learning machine learning arxiv explained neural networks ai artificial intelligence paper transformers longformer transformer long documents

#ai #transformer #gpt4

This paper promises to scale transformers to 1 million tokens and beyond. We take a look at the technique behind it: The Recurrent Memory Transformer, and what its strenghts and weaknesses are.

OUTLINE:
0:00 - Intro
2:15 - Transformers on long sequences
4:30 - Tasks considered
8:00 - Recurrent Memory Transformer
19:40 - Experiments on scaling and attention maps
24:00 - Conclusion

Paper: https://arxiv.org/abs/2304.11062

Abstract:
This technical report presents the application of a recurrent memory to extend the context length of BERT, one of the most effective Transformer-based models in natural language processing. By leveraging the Recurrent Memory Transformer architecture, we have successfully increased the model's effective context length to an unprecedented two million tokens, while maintaining high memory retrieval accuracy. Our method allows for the storage and processing of both local and global information and enables information flow between segments of the input sequence through the use of recurrence. Our experiments demonstrate the effectiveness of our approach, which holds significant potential to enhance long-term dependency handling in natural language understanding and generation tasks as well as enable large-scale context processing for memory-intensive applications.

Authors: Aydar Bulatov, Yuri Kuratov, Mikhail S. Burtsev

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