Memory Augmented Language Models through Mixture of Word Experts (2024.naacl-long)

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Challenge: Increasing the parameter count of language models has been a primary driver of improved model quality, but increasing the model size also increases the cost of training and serving the model.
Approach: They propose to decouple learning capacity and FLOPs by using a mixture-of-experts approach with large knowledge-rich vocabulary based routing functions.
Outcome: The proposed model outperforms the T5 family of models with similar number of FLOPs on knowledge intensive tasks and similar performance to memory augmented approaches.

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Challenge: Recent work uses sparse Mixtures of Experts (MoEs) to build resource-efficient large language models.
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Challenge: Large Language Models (LLMs) have outstanding performance by learning a large number of model parameters on large amounts of data.
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Challenge: Sparse mixture of experts (SMoE) is an effective approach for scaling large language models with a constant computational cost.
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