链接时，gcc可以使用多个内核吗? [英] Can gcc use multiple cores when linking?

问题描述

因此，在使用GCC编译大量源文件时，可以使用-j来使用所有可用的内核.但是链接器呢?是否有类似的选项可以加快链接速度，或者GCC不支持多线程?在某些较大的项目中，这可能确实需要一段时间...(...，我讨厌等待！)

So when compiling tons of source files with GCC one can use -j to use all available cores. But what about the linker? Is there a similar option to speed up linking or does GCC not support multi-threading? In some larger projects it can really take a while ... (... and I hate to wait!)

编辑:感谢您指出-j是make的选项，而不是gcc/g ++.但这不能回答我的问题！我想知道gcc是否可以在链接程序时使用多线程！

Thanks for pointing out that -j is a option for make and not gcc/g++. But this does not answer my question! I would like to know if gcc can use multi threading while linking a program!

推荐答案

尝试

Try gold, which was developed by Ian Lance Taylor et al. from Google and released as part of GNU binutils package.

来自维基百科:

编写黄金的动机是使链接程序比GNU链接程序快，特别是对于用C ++编码的大型应用程序

The motivation for writing gold was to make a linker that is faster than the GNU linker, especially for large applications coded in C++

我必须承认我还没有尝试过它，但是在 WebKitGTK项目中提到了网页.

I must admit I haven't tried it myself yet but it's mentioned on WebKitGTK project webpage.

有关更多信息，请参阅由gold的作者撰写的文章:新的ELF链接器.

For more information see an article written by the author of gold: A New ELF Linker.

更重要的是，请参阅Sander Mathijs van Veen题为并发链接的有关增量/并行/并发链接的工作. GNU Gold Linker 及其参考书目.

More importantly, see the work on incremental / parallel / concurrent linking by Sander Mathijs van Veen titled Concurrent Linking with the GNU Gold Linker and the bibliography therein.

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