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c++ Programming Glossary: optimizes

Do getters and setters impact performance in C++/D/Java?

http://stackoverflow.com/questions/1109995/do-getters-and-setters-impact-performance-in-c-d-java

or later . As far as I know the JVM JIT compiler only optimizes heavily used code so you could see the function call overhead..

Which is the best C++ compiler? [closed]

http://stackoverflow.com/questions/1114860/which-is-the-best-c-compiler

Could someone please explain the difference between a “reference” and a “pointer” in this case?

http://stackoverflow.com/questions/1516958/could-someone-please-explain-the-difference-between-a-reference-and-a-pointer

in each case. The strange thing is that the compiler optimizes the code better in case of a function pointer void print std..

Is there a standard sign function (signum, sgn) in C/C++?

http://stackoverflow.com/questions/1903954/is-there-a-standard-sign-function-signum-sgn-in-c-c

to promote and then narrow again. This is branchless and optimizes excellently Standards compliant The bitshift hack is neat but..

inline virtual function

http://stackoverflow.com/questions/2130226/inline-virtual-function

Why pass by const reference instead of by value?

http://stackoverflow.com/questions/2582797/why-pass-by-const-reference-instead-of-by-value

mean why not just use const references all the time if it optimizes performance all the time c function share improve this question..

Learning to read GCC assembler output

http://stackoverflow.com/questions/2611359/learning-to-read-gcc-assembler-output

as looking at a single function and verifying whether GCC optimizes away things I expect to disappear. Does anyone have know of..

What is the copy-and-swap idiom?

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

a common function possible What is copy elision and how it optimizes copy and swap idiom C dynamically allocating an array of objects..

How to use the boost library (including shared_ptr) with the Android NDK and STLport

http://stackoverflow.com/questions/4347151/how-to-use-the-boost-library-including-shared-ptr-with-the-android-ndk-and-stl

library. The release library is compiled with O2 which optimizes out some infelicities but the debug library is done with O0..

Are IEEE floats valid key types for std::map and std::set?

http://stackoverflow.com/questions/4816156/are-ieee-floats-valid-key-types-for-stdmap-and-stdset

optimize to return b b although I'm not sure the comment optimizes with it. I think Tomalak has convinced me the language does..

Fun with uninitialized variables and compiler (GCC)

http://stackoverflow.com/questions/4879045/fun-with-uninitialized-variables-and-compiler-gcc

since the value is now only used locally the compiler optimizes it away completely. Since the behaviour is undefined anyway..

What is the difference between the /Ox and /O2 compiler options?

http://stackoverflow.com/questions/5063334/what-is-the-difference-between-the-ox-and-o2-compiler-options

not clear to me what the difference is between O2 which optimizes code for maximum speed and Ox which selects full optimization..

Measuring NUMA (Non-Uniform Memory Access). No observable asymmetry. Why?

http://stackoverflow.com/questions/7259363/measuring-numa-non-uniform-memory-access-no-observable-asymmetry-why

Last thing Depending on how aggressively your compiler optimizes your loop might be optimized out since it doesn't do anything..

Are const_iterators faster?

http://stackoverflow.com/questions/755347/are-const-iterators-faster

faster compared to normal iterator. It seems like compiler optimizes the code when you use the const _iterator. Is it really correct..

Why does integer overflow on x86 with GCC cause an infinite loop?

http://stackoverflow.com/questions/7682477/why-does-integer-overflow-on-x86-with-gcc-cause-an-infinite-loop

compiler assumes you won't cause undefined behavior and optimizes away the loop test. If you really want wraparound pass fwrapv..

Is #pragma once a safe include guard?

http://stackoverflow.com/questions/787533/is-pragma-once-a-safe-include-guard

GCC it recognizes the standard #ifndef include guard and optimizes it so it shouldn't be much slower than #pragma once . source..

How to check dependencies of floats

http://stackoverflow.com/questions/9136860/how-to-check-dependencies-of-floats

advise it. P.P.S. In your second example the compiler optimizes the code so that it sets z to 5 before running any code. So..

Why do two functions have the same address?

http://stackoverflow.com/questions/9323273/why-do-two-functions-have-the-same-address

that on ideone it prints the different address. MSVS10 optimizes the code as the function doesn't depend on T in any way so it..

Why is it not good to use recursive inheritance for std::tuple implementations?

http://stackoverflow.com/questions/9641699/why-is-it-not-good-to-use-recursive-inheritance-for-stdtuple-implementations

the objects out in the order specified by the client but optimizes away space for empty components using the compiler's empty base..