Documentdetail
ID kaart
oai:arXiv.org:2408.13442
Onderwerp
Computer Science - Machine Learnin... Computer Science - Artificial Inte... Computer Science - Computation and... Statistics - Machine LearningAuteur
He, Hangfeng Su, Weijie J.Categorie
Computer Science
Jaar
2024
vermelding datum
28-08-2024
Trefwoorden
models language learningBeschrijving
Large language models (LLMs) have been widely employed across various application domains, yet their black-box nature poses significant challenges to understanding how these models process input data internally to make predictions.
In this paper, we introduce a precise and quantitative law that governs the learning of contextualized token embeddings through intermediate layers in pre-trained LLMs for next-token prediction.
Our findings reveal that each layer contributes equally to enhancing prediction accuracy, from the lowest to the highest layer -- a universal phenomenon observed across a diverse array of open-source LLMs, built on architectures such as Transformer, RWKV, and Mamba.
We demonstrate that this law offers new perspectives and insights to inform and guide practices in LLM development and applications, including model scaling, pre-training tasks, and information flow.
Overall, our law enables more fine-grained approaches to the design, training, and interpretation of LLMs through scrutinizing their internal data processing mechanisms.
He, Hangfeng,Su, Weijie J., 2024, A Law of Next-Token Prediction in Large Language Models
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