garbage collection analysis

Let's talk about the garbage collection mechanism of PHP and the garbage collection mechanism of php. 1. Every variable definition is saved in a container named zval. Here, the type and value of the quantity are included, and a refcount is included. (several variables exist) and is_ref (understood as whether it is a r

machines have some advantages. First, it can make programming more efficient. In the absence of a garbage collection mechanism, it may take a lot of time to solve a difficult memory problem. When programming in the Java language, the garbage collection mechanism can greatly shorten the time. The second is that it prot

storage problem. When programming in Java, the garbage collection mechanism can greatly shorten the time. Second, it protects program integrity. Garbage collection is an important part of Java's security policy. One potential drawback of garbage

Detailed Java garbage collection mechanism →types of Java garbage collectorstransferred from: 1190000006214497 This article is not original, translated from types of Java garbage collectorsAllocating and freeing memory space for an object in Java is done automatically by the

Why to divideThe generational garbage collection strategy is based on the fact that the life cycle of different objects is not the same . Therefore, different life cycle objects can be collected in different ways to improve the efficiency of recycling.In the course of running a Java program, a large number of objects are generated, some of which are related to business information, such as session objects,

collection algorithm and the running efficiency of hardware and software, these problems can be solved.2. Algorithm analysis of garbage collectionThe Java language Specification does not explicitly describe which garbage collection algorithm the JVM uses, but any

Bibliography: In-depth understanding of Java Virtual Machine Zhou ZhimingJava Programming Ideas Bruce EckelWhy do we need to know about GC after automated garbage collection: When we need to troubleshoot various overflow, memory leak issues, when garbage collections become a bottleneck for the system to reach a higher concurrency, we have to implement the necessa

efficiency of hardware and software, these problems can be solved.2. Algorithm analysis of garbage collectionThe Java language Specification does not explicitly describe which garbage collection algorithm the JVM uses, but any garbage c