noun
implementation-dependent
Computing term describing behavior that varies by compiler, interpreter, or runtime environment.
この関数の戻り値は処理系依存です。
The return value of this function is implementation-dependent.
処理系依存の動作に頼らないように注意してください。
Be careful not to rely on implementation-dependent behavior.
Synonym; 実装依存 is also common in computing contexts with the same meaning.
Compound of 処理系 (processing system) + 依存 (dependence).