February 2025
Intermediate
376 pages
9h 25m
Japanese
Content preview from 仕組みからわかる大規模言語モデル 生成AI時代のソフトウェア開発入門
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5
5.5.4
RunnableParallel の利用例
RunnableParallel
には大きく二つの役割が存在します。
辞書型の出力を作る
複数のチェーンを論理的に並列化する
チェーンで繋ぐコンポーネント同士は、前のコンポーネントの出力の型が後のコンポーネン
トの入力の型と一致している必要がありました。辞書型を入力とするコンポーネントに、別の
型のデータを入力したい場合に
RunnableParallel
を使うことで、型を明示的に変換すること
ができます。
RunnableParallel
のもう一つの役割は、その名前のとおり、複数のチェーンを論理的に並
列化することです。同じ入力を持つ複数のチェーンを並列化し、辞書型のデータとして結果を
集約することができます。
辞書型出力を作るための利用
それでは
RunnableParallel
の利用法のうち、辞書の出力を得ることを目的とする利用法を
確認してみましょう。先ほどのリスト 5.5.2 を
RunnableParallel
を用いてアップデートしま
す。具体的に次のように辞書型データで呼び出していたところを、文字列型のデータで呼び出
せるようにします。
answer = translation.invoke({"input": text, "language": "English"})
このチェーンの呼び出しを次のように呼び出せるように修正します。
answer = to_english.invoke(text)
invoke ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.