Griffin: Mixing Gated Linear Recurrences with Local Attention for Efficient Language Models
CoRR(2024)
摘要
Recurrent neural networks (RNNs) have fast inference and scale efficiently on
long sequences, but they are difficult to train and hard to scale. We propose
Hawk, an RNN with gated linear recurrences, and Griffin, a hybrid model that
mixes gated linear recurrences with local attention. Hawk exceeds the reported
performance of Mamba on downstream tasks, while Griffin matches the performance
of Llama-2 despite being trained on over 6 times fewer tokens. We also show
that Griffin can extrapolate on sequences significantly longer than those seen
during training. Our models match the hardware efficiency of Transformers
during training, and during inference they have lower latency and significantly
higher throughput. We scale Griffin up to 14B parameters, and explain how to
shard our models for efficient distributed training.
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