Go和Cython的区别 [英] Differences between Go and Cython

问题描述

今天，我的一个好朋友问我最新的Go语言和 Cython 之间的主要区别是什么？ ，它是Python的一组C语言扩展。我没有太多关于Python的知识，谁能告诉我为什么Go比Cython更好/更差？

Cython isn这不是传统意义上的语言。它是一个构建Python扩展的预处理器，它采用类似Python的语法（实际上它们力求完全兼容Python）并生成C代码（使用Python C API）。这样做，他们可以包括一些特殊情况优化，但是当您添加并入C代码中的Cython特定静态类型信息时，会带来真正的好处，绕过这些操作的Python运行时间并导致高速加速。

Go是一种编译的编程语言。在Go中可以做的第一件事就是生成一个不包含Python运行时的可执行文件/启动一个Python解释器 - 这在Cython中是不可能的。 （在技术上可能不是不可能 - 但如果你不使用Python，那么使用Cython确实没有意义）。由于Cython只生成C，所以在注释中大部分问题并不适用 - 您可以使用任何C调试器（尽管事实是Python扩展会使事情变得复杂一些）。

Today a great friend of mine asked me what are the main differences between the newest Go language and Cython, which is a set of C-extensions for Python. I don't have much knowledge on Python, can anyone tell me why Go is better/worse than Cython?

解决方案

Cython isn't really a language in the conventional sense. It is a preprocessor for building Python extensions that takes Python-like syntax (actually they strive for full Python compatibility) and produces C code (using the Python C API). Doing this they are able to include some special case optimisations, but the real benefits come when you add Cython specific static type information which is incorporated into the C code, bypassing the Python runtime for those operations and resulting in a high speed up.

Go is a compiled programming language. The first thing that can be done in Go is producing an executable that doesn't include the Python runtime/start a Python interpreter - this is impossible in Cython. (May not be technically impossible - but there is really no point to use Cython if you are not working with Python). Since Cython just produces C most of your questions in the comment don't really apply - you can use any C debugger (although the fact that's a Python extension makes things a bit more complicated).

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