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Computer Science > Computation and Language

arXiv:2404.19737 (cs)
[Submitted on 30 Apr 2024]

Title:Better & Faster Large Language Models via Multi-token
Prediction

Authors:Fabian Gloeckle, Badr Youbi Idrissi, Baptiste Roziere, David
Lopez-Paz, Gabriel Synnaeve
View a PDF of the paper titled Better & Faster Large Language Models
via Multi-token Prediction, by Fabian Gloeckle and 4 other authors
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    Abstract:Large language models such as GPT and Llama are trained
    with a next-token prediction loss. In this work, we suggest that
    training language models to predict multiple future tokens at
    once results in higher sample efficiency. More specifically, at
    each position in the training corpus, we ask the model to predict
    the following n tokens using n independent output heads,
    operating on top of a shared model trunk. Considering multi-token
    prediction as an auxiliary training task, we measure improved
    downstream capabilities with no overhead in training time for
    both code and natural language models. The method is increasingly
    useful for larger model sizes, and keeps its appeal when training
    for multiple epochs. Gains are especially pronounced on
    generative benchmarks like coding, where our models consistently
    outperform strong baselines by several percentage points. Our 13B
    parameter models solves 12 % more problems on HumanEval and 17 %
    more on MBPP than comparable next-token models. Experiments on
    small algorithmic tasks demonstrate that multi-token prediction
    is favorable for the development of induction heads and
    algorithmic reasoning capabilities. As an additional benefit,
    models trained with 4-token prediction are up to 3 times faster
    at inference, even with large batch sizes.

Subjects: Computation and Language (cs.CL)
Cite as:  arXiv:2404.19737 [cs.CL]
          (or arXiv:2404.19737v1 [cs.CL] for this version)
          https://doi.org/10.48550/arXiv.2404.19737
          Focus to learn more
          arXiv-issued DOI via DataCite

Submission history

From: Fabian Gloeckle [view email]
[v1] Tue, 30 Apr 2024 17:33:57 UTC (1,300 KB)
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    Models via Multi-token Prediction, by Fabian Gloeckle and 4 other
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