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论文卡-ChinchillaPaper Card - Chinchilla

论文卡 · 约 7 分钟Paper card · about 7 min · 引用核验 2026-11-03(仅引用链接与日期) · refs checked 2026-11-03 (reference links and dates only)

「模型该多大、数据该多少」的定标论文。这张卡列清它的结论原话、证据规模、以及作者自己提醒的外推边界。The calibration paper on 'how big should the model be, how much data should it see'. This card quotes the conclusion, states the evidence scale, and notes the extrapolation boundary the authors themselves flag.

读这张论文要带走的What to take away

研究问题:摘要原话——给定算力预算下,最优的模型大小与训练 token 数各是多少;结论是「当前大模型普遍训练不足」("significantly undertrained"),因为业界只顾加大模型、不增加数据。

核心结论原话:"for compute-optimal training, the model size and the number of training tokens should be scaled equally: for every doubling of model size the number of training tokens should also be doubled"——模型与数据要等比例扩。

证据规模:训练 400 多个模型(70M 到 16B+ 参数、5 到 500B token)做定标拟合,再用 70B 的 Chinchilla 验证——它「超过 Gopher 及其他大模型」(第 4.2 节,当日核对)。

作者自陈的边界(当日核对):Chinchilla 比 Gopher 多训 4 倍数据,作者自己提醒「训练/测试集泄漏可能人为抬高结果」,因此更看重其他任务——连定标论文都在防数据污染。

它没有主张的:结论来自 ≤16B 模型的拟合再外推——「70B 之后规律不变」是外推不是实测;「参数量不重要」也不是论文说法,是等比例扩。

Research question (abstract): under a fixed compute budget, what is the optimal model size and token count; the finding is that current LLMs are "significantly undertrained" because the field scaled models while keeping data constant.

Conclusion verbatim: "for compute-optimal training, the model size and the number of training tokens should be scaled equally: for every doubling of model size the number of training tokens should also be doubled".

Evidence scale: 400+ models trained (70M to 16B+ parameters, 5B to 500B tokens) to fit the scaling law, then validated with the 70B Chinchilla, which "outperforms Gopher" (Section 4.2, verified).

Author-flagged boundary (verified): Chinchilla trained on 4× more data than Gopher, and the authors warn train/test leakage may artificially boost results — even a calibration paper guards against contamination.

What it does not claim: the law is fitted on ≤16B models and extrapolated — 'the rule holds past 70B' is extrapolation, not measurement; 'parameter count doesn't matter' is not the paper's claim either.

例子与判断Example and interpretation

以下是教学情境,不是本站运行或实测记录。A teaching scenario, not a measured or executed site test.

比较两套训练方案前,先固定计算预算,再看参数量与训练数据量如何分配。不要只摘出模型大小来说明效率;结论还受训练方法和论文讨论的范围限制。Fix compute budget before comparing parameter/data allocation in two training plans. Model size alone does not establish efficiency; methods and the paper's scope also matter.

出处Sources
  • Hoffmann 等《Training Compute-Optimal Large Language Models》(arXiv 2203.15556)Hoffmann et al., Training Compute-Optimal Large Language Models (arXiv 2203.15556) ↗
  • HTML 版 · 第 4 节(Chinchilla 结果)HTML version · Section 4 (Chinchilla results) ↗