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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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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

by 奥田 勝己
February 2025
Intermediate
376 pages
9h 25m
Japanese
Shōeisha
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
value = {
"key_1" : runnable_1.invoke(input),
"key_2" : runnable_2.invoke(input),
"key_3" : input,
}
result = runnable.invoke(value)
すなわち、辞書リテラルの各キーに対して
Runnable
invoke
され、その結果が辞書に格納
されます。並列化された各
Runnable
には、同じ入力(ここでは
input
)が渡されます。また、
RunnablePassthrough()
が指定されている場合は、入力がそのまま出力になります。その後、
value
に格納された辞書が後続の
runnable
に渡され、
invoke
が呼び出されます。
辞書の値が Runnableに変換できる式の場合
辞書の値には、
Runnable
以外にも
Runnable
に変換できる式を指定することができます。よ
く使われるパターンは次のとおりです。
chain = {
"key_1": lambda x: x.foo,
"key_2": itemgetter("bar")
} | runnable
result = chain.invoke(input)
ここでは
"key_1"
の値には
lambda
式を、
"key_2"
の値には
itemgetter
関数の呼び出しを指定
しています。
itemgetter
は、辞書のキーを指定して値を取得する関数を返す関数です。この
ため、二つの値は両方とも関数であり、
Runnable
に変換できる式です。このコードは意味と ...
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Publisher Resources

ISBN: 9784798185613