c++ Programming Glossary: penalty

http://stackoverflow.com/questions/1012571/stdstring-to-float-or-double

or boost lexical_cast but those come with a performance penalty. Ahaha you have a Qt project ... QString winOpacity 0.6 double..

Performance penalty for working with interfaces in C++?

http://stackoverflow.com/questions/113830/performance-penalty-for-working-with-interfaces-in-c

penalty for working with interfaces in C Is there a runtime performance.. with interfaces in C Is there a runtime performance penalty when using interfaces abstract base classes in C c performance..

Why global and static variables are initialized to their default values?

http://stackoverflow.com/questions/2091499/why-global-and-static-variables-are-initialized-to-their-default-values

by the same program. There might be a runtime performance penalty associated with initializing auto function locals to anything...

Can anyone quantify performance differences between C++ and Java?

http://stackoverflow.com/questions/313446/can-anyone-quantify-performance-differences-between-c-and-java

higher levels of abstraction frequently pay a performance penalty. We would all be programming in higher level languages if this.. would all be programming in higher level languages if this penalty did not exist. Where does still Java pay in comparison to C..

What is the copy-and-swap idiom?

http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom

of operator . Additionally we no longer have a performance penalty on non self assignments. And that is the copy and swap idiom...

#pragma pack effect

http://stackoverflow.com/questions/3318410/pragma-pack-effect

multiple of the type's size . This avoids the performance penalty or outright error on some architectures associated with accessing..

What are the differences between “generic” types in C++ and Java?

http://stackoverflow.com/questions/36347/what-are-the-differences-between-generic-types-in-c-and-java

is slower. In Java the compilation doesn't have a major penalty but Java uses a technique called erasure where the generic type..

Stack,Static and Heap in C++

http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c

but the fact is you may be forced to accept a performance penalty depending upon use case . And if you're lazy it still may not.. other code. There really isn't much of a performance penalty anymore but if you really need dependable performance and the..

Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor implementation? [closed]

http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali

so in a real life situation consider how negligible the penalty would have been if write was called on an array of 1m ints instead..

C++ memcpy() vs std::copy()

http://stackoverflow.com/questions/4707012/c-memcpy-vs-stdcopy

0.72 In summary there does not appear to be a performance penalty for using std copy. In fact there appears to be a performance..

How to get IOStream to perform better?

http://stackoverflow.com/questions/5166263/how-to-get-iostream-to-perform-better

virtual calls so removing them can help trimming down the penalty hit. The default C locale is meant not to perform any conversion..

Why is the linux kernel not implemented in C++? [closed]

http://stackoverflow.com/questions/520068/why-is-the-linux-kernel-not-implemented-in-c

is slower than static dispatch but the performance penalty is modest particularly when used judiciously. The Linux kernel.. way to perform simple code generation with no performance penalty over macros. The class mechanism encourages programmers to encapsulate..

What's the best way to do fixed-point math? [closed]

http://stackoverflow.com/questions/79677/whats-the-best-way-to-do-fixed-point-math

In modern C implementations there will be no performance penalty for using simple and lean abstractions such as concrete classes...

Does std::vector *have* to move objects when growing capacity? Or, can allocators “reallocate”?

http://stackoverflow.com/questions/8003233/does-stdvector-have-to-move-objects-when-growing-capacity-or-can-allocator

return make_pair allocate n true so there wouldn't be any penalty. Is there any problem that makes this feature inappropriate..

Move assignment operator and `if (this != &rhs)`

http://stackoverflow.com/questions/9322174/move-assignment-operator-and-if-this-rhs

the fullest feature and are willing to pay the performance penalty. They get exactly what they want. But it is disastrous for clients..

Why is reading lines from stdin much slower in C++ than Python?

http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python

but when you are reading millions of lines the performance penalty is significant. Fortunately the library designers decided that..