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[JAVA] JVM - Execution Engine
Execution Engine Class Loader에 의해 Method Area에 로드된 class file은 클래스의 정보를 담은 Constant Pool과 클래스의 동작을 정의한 Byte Code를 포함하고 있다. 이때, Execution Engine은 Method Area에 로드되어있는 Byte Code를 명령어 단위로 읽어와 실행한다. JVM의 Execution Engine은 세 가지 부분으로 구성되어있다. Interpreter : Byte Code의 명령어를 한줄씩 읽어 기계어로 번역함 JIT Compiler : Interpreter를 보완하기 위해 중복되는 Byte Code들을 한꺼번에 번역함 Garbage Collector : 효율적인 메모리관리를 위해 사용하지 않는 메모리를 자동으로 정리함 Interpreter Byte Code를 한줄씩 읽어서 Native Code(기계어)로 번역하는 역할을 담당한다. 하지만 반복적으로 호출되
2023년 1월 2일
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