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
前のとおり、
Runnable
が並列に繋がった
Runnable
です。また、
RunnableParallel
の
invoke
メ
ソッドの戻り値の型は、
<key_1>
、
<key_2>
、
...
、
<key_n>
をキーとする辞書型になります。
構文
invoke
Runnable
<key̲1>
Runnable
<key̲2>
Runnable
<key̲n>
……
RunnableParallel
{
<key̲1>:<Runnable̲1>,
<key̲2>:<Runnable̲2>,
…
<key̲n>:<Runnable̲n>,
}
図5.5.2
以降、典型的な利用パターンを、パラレル構文の辞書の値の種類ごとに示します。
辞書の値がRunnableの場合
辞書の値には、
Runnable
を指定することができます。典型的な利用パターンは次のとおり
です。
chain = {
"key_1" : runnable_1,
"key_2" : runnable_2,
"key_3" : RunnablePassthrough(),
} | runnable
result = chain.invoke(input)
この辞書リテラルは、
RunnableParallel
に変換されます。これは、
runnable
とパイプで繋
がっているためです。ここで、
RunnablePassthrough()
は、入力をそのまま出力する
Runnable ...
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