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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Common subexpression elimination ： ウィキペディア英語版 Common subexpression elimination In compiler theory, common subexpression elimination (CSE) is a compiler optimization that searches for instances of identical expressions (i.e., they all evaluate to the same value), and analyses whether it is worthwhile replacing them with a single variable holding the computed value. == Example == In the following code: a = b * c + g; d = b * c * e; it may be worth transforming the code to: tmp = b * c; a = tmp + g; d = tmp * e; if the time cost (savings) of storing and retrieving "tmp" outweighs the cost of calculating "b * c" an extra time. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Common subexpression elimination」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.