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Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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Benchmarking (python vs. c++ using BLAS) and (numpy)
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I've run your benchmark. There is no difference between C++ and numpy on my machine:
Do you think my approach is fair, or are there some unnecessary overheads I can avoid?
It seems fair due to there is no difference in results.
Would you expect that the result would sh...
How do I get the type of a variable?
In C++, how does one find the type of a variable?
10 Answers
10
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...rd->ExceptionCode != 0xE06D7363)
return EXCEPTION_CONTINUE_SEARCH; //非C++类异常，则继续寻找SEH链表的下个结构进行处理
if(WeHaveAHandlerForThisTypeSomeWhere(info->ExceptionRecord))
return EXCEPTION_EXECUTE_HANDLER; //执行处理
return EXCEPTON_CONTINUE_SEARCH;
}
/* ...
C++ “virtual” keyword for functions in derived classes. Is it necessary?
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This is true, but the Mozilla C++ Portability Guide recommends always using virtual because "some compilers" issue warnings if you don't. Too bad they don't mention any examples of such compilers.
– Sergei Tachenov
F...
C++ include and import difference
What is the difference between #include and #import in C++?
5 Answers
5
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C++ cout hex values?
...com/fYXyh6. This is permitted for ios::floatfield according to Thinking in C++ vol 2 page 189, but it doesn't say the same about ios::basefield.
– Joel Sjögren
Jul 21 '13 at 15:14
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Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project
I've created a new C++ project in Visual Studio 2008. No code has been written yet; Only project settings have been changed.
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