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ゼロから作るDeep Learning ❻ ―LLM編
book

ゼロから作るDeep Learning ❻ ―LLM編

by 斎藤 康毅
June 2026
Intermediate
384 pages
4h 17m
Japanese
O'Reilly Japan, Inc.
Content preview from ゼロから作るDeep Learning ❻ ―LLM編

8章モデル挑戦編

WebBotでは、StoryBotよりもさらに大きなモデルを扱います。本章では「挑戦編」として、大規模モデルに対応するためのアーキテクチャの改良と高速化テクニックを紹介します。

8.1 モデルサイズの選択

WebBotではStoryBotよりも大きなモデルを使いますが、どの程度のサイズが適切でしょうか。ここで役立つのがスケーリング則です。

LLMの損失(Loss)は、モデルのパラメータ数Nや学習データのトークン数Dに対して、べき乗則(Power law)に従って減少することが知られています。つまり、NやDを増やすほど損失は下がりますが、その改善の度合いが予測可能なのです。この予測可能性こそがスケーリング則の本質です。これにより、小さなモデルでの実験結果から大きなモデルの性能や最適な設定を見積もることができます。 ...

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Publisher Resources

ISBN: 9784814401611Publisher Website