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..
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