如何OpenMP指令由编译器处理 [英] How is OpenMP directives handled by compiler

问题描述

1. 我不知道如何的OpenMP
   指令是由编译器处理，
   如gcc？



2. 例如，在此code

1. I was wondering how OpenMP directives are handled by compiler, such as gcc?

2. For example, in this code

 int main(int argc, char *argv[])
 {
   #pragma omp parallel  
   printf("Hello, world.\n");
   return 0;
 }

请问GCC的preprocessor通过修改C code
更换的OpenMP指令用
其他一些code？

Does preprocessor of gcc modify the C code by replacing the OpenMP directive with some other code?

什么是code等之后
preprocessing，右为前
组装？

What is the code like after preprocessing and right before being assembled?

感谢和问候！

推荐答案

您可以做一个网络搜索和发现的论文讨论这个话题。我不想给链接，因为它们不断改变，但是在这种情况下，回答你的问题的最简单方法。这里有两个，你可以看看：

You can do a web search and find papers discussing this topic. I hate to give links because they constantly change, but in this case it is the easiest way to answer your question. Here are two that you can look at:

<一个href=\"http://software.intel.com/en-us/blogs/2010/03/04/the-thing-from-another-world-or-how-do-openmp-compilers-work-part-1/\"相对=nofollow>来自另一个世界的事情（或：如何做OpenMP的编译工作第1部分），由迈克尔·克莱姆

的OpenMP的编译方式，芭芭拉查普曼

希望这会回答你的问题。

Hopefully this will answer your question.

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