compilers

简明释义

英[kəmˈpaɪ.ləz]美[kəmˈpaɪ.lɚz]

n. 编译器；编译程式；编译工具（compiler 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Not all JIT compilers generate the code as above.

不是所有的JIT编译器都生成如上代码。

2.Other compilers may name things differently.

其他编译器可能有不同的命名方式。

3.JIT compilers are allowed to take some liberties with synchronized blocks to reduce their performance cost.

JIT编译器可以随意变动同步锁，以减少它们的性能成本。

4.Two heavily optimized Just-In-Time compilers (-client and -server).

两个重度优化的即时编译器(- client和- server)。

5.These gains come about because of different libraries, processor features, and updated compilers.

这些提高来自于不同的程序库、处理器特性以及得到更新的编译器。

6.Many compilers can generate more efficient code for this by putting the tables in read-only memory.

很多编译器通过将表放入只读内存中可以生成更高效的代码。

7.The compilers used in this project support multiple programming languages.

该项目中使用的编译器支持多种编程语言。

8.Many modern compilers offer optimization options to improve performance.

许多现代编译器提供优化选项以提高性能。

9.Some compilers can generate machine code directly from high-level languages.

一些编译器可以直接从高级语言生成机器代码。

10.The team decided to use different compilers to test the code for compatibility.

团队决定使用不同的编译器来测试代码的兼容性。

11.Learning how to configure compilers is essential for software development.

学习如何配置编译器对软件开发至关重要。

作文

In the world of computer science, the role of compilers is crucial. A compiler is a special program that translates a programming language's source code into machine code, bytecode or another programming language. This process allows developers to write code in a high-level language, which is more understandable for humans, and then convert it into a format that a computer can execute directly. The significance of compilers cannot be overstated, as they serve as the bridge between human logic and machine execution.The process of compiling involves several stages, including lexical analysis, syntax analysis, semantic analysis, optimization, and code generation. Each of these stages plays a vital role in ensuring that the final output is efficient and error-free. For instance, during lexical analysis, the compiler scans the source code to break it down into tokens, which are the basic building blocks of the code. Syntax analysis follows, where the compiler checks the tokens against the grammatical rules of the programming language to ensure that the code is structured correctly.Once the syntax is verified, semantic analysis takes place. This stage ensures that the code makes logical sense and adheres to the rules of the programming language. After these analyses, optimization occurs, where the compiler improves the code's efficiency, reducing memory usage and execution time. Finally, the compiler generates the machine code that the computer can execute.Different programming languages require different types of compilers. For example, C and C++ use a traditional compilation model, where the entire source code is compiled before execution. In contrast, languages like Java utilize a two-step process involving both a compiler and an interpreter. The Java compiler first converts the source code into bytecode, which is then interpreted by the Java Virtual Machine (JVM) at runtime. This allows Java programs to run on any platform that has a JVM, making it highly portable.Moreover, compilers can also provide valuable feedback to programmers. During the compilation process, if there are errors in the code, the compiler will generate error messages that help the developer identify and correct issues. This feature is particularly beneficial for beginners who are learning to code, as it provides guidance and supports the debugging process.In addition to their primary function, compilers have evolved to include various optimizations and enhancements that improve performance. Modern compilers often include features such as just-in-time (JIT) compilation, which compiles code on the fly, improving execution speed. Furthermore, advancements in compiler technology have led to the development of optimizing compilers that analyze code and make intelligent decisions about how to improve its performance without changing its output.In conclusion, compilers are an essential component of modern software development. They not only translate high-level programming languages into machine-readable code but also optimize and provide feedback, making the coding process more efficient and accessible. Understanding how compilers work is fundamental for anyone looking to delve into the field of computer science, as they play a pivotal role in bridging the gap between human creativity and machine execution. As technology continues to advance, the importance of compilers will only grow, underscoring their relevance in the ever-evolving landscape of programming and software development.

在计算机科学的世界中，编译器的角色至关重要。编译器是一种特殊程序，将编程语言的源代码翻译成机器代码、字节码或另一种编程语言。这个过程使开发人员能够用更易于人类理解的高级语言编写代码，然后将其转换为计算机可以直接执行的格式。编译器的重要性不容小觑，因为它们充当了人类逻辑与机器执行之间的桥梁。编译过程涉及几个阶段，包括词法分析、语法分析、语义分析、优化和代码生成。这些阶段中的每一个都在确保最终输出高效且无错误方面发挥着至关重要的作用。例如，在词法分析期间，编译器扫描源代码，将其分解为标记，这些标记是代码的基本构建块。接下来是语法分析，在此阶段，编译器检查标记是否符合编程语言的语法规则，以确保代码结构正确。一旦语法得到验证，就会进行语义分析。此阶段确保代码在逻辑上是合理的，并遵循编程语言的规则。在这些分析之后，进行优化，编译器提高代码的效率，减少内存使用和执行时间。最后，编译器生成计算机可以执行的机器代码。不同的编程语言需要不同类型的编译器。例如，C和C++使用传统的编译模型，其中整个源代码在执行前被编译。相比之下，像Java这样的语言采用了涉及编译器和解释器的两步过程。Java 编译器首先将源代码转换为字节码，然后由Java虚拟机（JVM）在运行时解释。这使得Java程序可以在任何具有JVM的平台上运行，极大地提高了可移植性。此外，编译器还可以为程序员提供宝贵的反馈。在编译过程中，如果代码中存在错误，编译器将生成错误消息，帮助开发人员识别和纠正问题。这个功能对初学者尤其有益，因为它提供了指导并支持调试过程。除了其主要功能外，编译器还发展出各种优化和增强功能，提高性能。现代编译器通常包括即时编译（JIT）等特性，即实时编译代码，提高执行速度。此外，编译器技术的进步导致了优化编译器的发展，这些编译器分析代码并智能决策如何提高其性能，而不改变其输出。总之，编译器是现代软件开发的基本组成部分。它们不仅将高级编程语言翻译成机器可读代码，还进行优化并提供反馈，使编码过程更加高效和可访问。了解编译器的工作原理是任何希望深入计算机科学领域的人的基础，因为它们在弥合人类创造力与机器执行之间的差距中发挥着关键作用。随着技术的不断进步，编译器的重要性只会增加，突显出它们在不断发展的编程和软件开发领域中的相关性。