哪个是最好的C ++编译器？ [英] Which is the best C++ compiler?
问题描述
C ++编译器可以产生不那么好的二进制文件吗？你可以在这里想到输出的鲁棒性和性能。有没有这样的事情作为最好的C ++编译器使用？如果没有，那么知名编译器（g ++，Intel C ++编译器，Visual C ++等）的优点和当然是不那么强的（已知的Bug和问题）。
Can a C++ compiler produce a not so good binary? You can think here of the output's robustness and performance. Is there such a thing as the "best" C++ compiler to use? If not, what are the strong points, and of course, the not-so-strong (known Bugs and Issues) points, of the well-known compilers (g++, Intel C++ Compiler, Visual C++, etc.).
有编译器生成错误输出导致任务关键型软件失败的记录案例
Are there documented cases when a compiler produced incorrect output which resulted in a failure of mission-critical software?
推荐答案
G ++似乎是最受欢迎的。它是免费的，便携和相当不错。
G++ seems to be the most popular. It's free, portable and quite good. The Windows port (MinGW) was really dated the last time I used it (maybe one year ago).
Intel C ++编译器被认为是生成最快的代码（但是，它知道它生成错误的SIMD代码为AMD处理器）。
你可以在非常严格的条件下在GNU / Linux上自由使用它。
我使用了一段时间，我喜欢它发出聪明的警告，而别人没有。
The Intel C++ compiler is considered as the one which generates the fastest code (however it's known that it generates bad SIMD code for AMD processors).
You can use it freely on GNU/Linux under quite restrictive conditions.
I've used it for some time and I liked the fact that it emits clever warnings which others don't.
VC ++通常被认为是最好的C ++ IDE，从我听说编译器也是很好。它是免费的（如在免费啤酒），当然只能在Windows上。
如果你对Windows编程感兴趣，我建议这个编译器，因为它总是最新的，并提供更先进
VC++ is often regarded as the best C++ IDE, and from what I hear the compiler is quite good too. It's free (as in free beer), and only available on Windows of course.
If you are interested in Windows programming I would suggest this compiler, because it's always up-to-date and provides more advanced features for this purpose.
我建议在Windows上使用VC ++，对于其他操作系统使用G ++。
I would suggest VC++ on Windows, G++ for other OSes. Try the free version of I++ yourself, to see if it's worth the money.
有编译器生成不正确的输出，导致任务关键型软件失败的案例吗？
Are there documented cases when a compiler produced incorrect output which resulted in a failure of mission-critical software?
是的，大概，但我会说，大多数时候，它可能是程序员的错。例如，如果有人不知道浮点运算的工作原理，很容易写出不可靠的代码。一个好的程序员还必须知道什么是保证工作的C ++标准，什么不是。她还应该知道编译器的限制是什么。它如何实施标准，以及如何积极优化。
Yes, probably, but I'd say that most of the time it's probably the programmer's fault. For example, if someone doesn't know how floating-point arithmetic works, it's easy to write unreliable code. A good programmer must also know what is guaranteed to work by the C++ standard and what isn't. She should also know what are the limits of the compiler, e.g. how well it implements the standard and how aggressively it optimizes.
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