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c++ Programming Glossary: profilingExamples of when a bitwise swap() is a bad idea? http://stackoverflow.com/questions/11638271/examples-of-when-a-bitwise-swap-is-a-bad-idea almost always a bad idea except in the specific case where profiling has been done and a more obvious and clear implementation of..
C++ Socket Server - Unable to saturate CPU http://stackoverflow.com/questions/1234750/c-socket-server-unable-to-saturate-cpu design pattern is this appropriate here I could do some profiling to try to understand what the bottleneck's are is c linux multithreading..
C++ Vector of Pointers to Objects http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects T . We expect sharing anyway it's fast enough until profiling says otherwise it's safe and it's easy to use. share improve..
What are some good profilers for native C++ on Windows? http://stackoverflow.com/questions/153559/what-are-some-good-profilers-for-native-c-on-windows Your Favorite Profiling Tool For C c windows performance profiling share improve this question On Windows GlowCode is affordable..
Static linking vs dynamic linking http://stackoverflow.com/questions/1993390/static-linking-vs-dynamic-linking linking is usually negligible. 2 1 is not true if using a profiling compiler that uses profile data to optimize program hotpaths..
C++ equivalent of StringBuffer/StringBuilder? http://stackoverflow.com/questions/2462951/c-equivalent-of-stringbuffer-stringbuilder be applied over std string or std stringstream if after profiling your code you discover this makes an improvement. I normally..
Linux C++: how to profile time wasted due to cache misses? http://stackoverflow.com/questions/2486840/linux-c-how-to-profile-time-wasted-due-to-cache-misses my CPU wastes due to cache misses Thanks c linux caching profiling share improve this question You could try cachegrind and..
Floating point vs integer calculations on modern hardware http://stackoverflow.com/questions/2550281/floating-point-vs-integer-calculations-on-modern-hardware the exact outcome for us short of doing all the work and profiling it afterwards. Anyway thanks for all your excellent answers..
What's a very easy C++ profiler (VC++)? http://stackoverflow.com/questions/2624667/whats-a-very-easy-c-profiler-vc I can't see any from looking at the main menus c visual c profiling share improve this question VS built in If you have team..
What's your favorite profiling tool (for C++) [closed] http://stackoverflow.com/questions/26663/whats-your-favorite-profiling-tool-for-c your favorite profiling tool for C closed So far I've only used Rational Quantify... some good profilers for native C on Windows c performance profiling share improve this question For linux development although..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux What tool can I use to pinpoint my slow code c unix profiling share improve this question If your goal is to use a profiler..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali a raw buffer. This feels consistent with before and after profiling when I switched my real application to custom buffering. These..
Beyond Stack Sampling: C++ Profilers http://stackoverflow.com/questions/4394606/beyond-stack-sampling-c-profilers to say that I don't think there's a definitive option for profiling C code in a W7x64 environment but there are certainly options.. fail to perform any useful service. c qt optimization profiling profiler share improve this question First Time sampling.. time sampling profiler if at all possible especially when profiling threaded code. Second Sampling profilers generate gobs of data...
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly If you want copying and it's expensive as proven by profiling of course you may wish to use something like Qt's shared classes..
JIT compiler vs offline compilers http://stackoverflow.com/questions/538056/jit-compiler-vs-offline-compilers are such scenarios. JIT compilation can use runtime profiling to optimize specific cases based on measurement of the characteristics..
Implementing comparision operators via 'tuple' and 'tie', a good idea? http://stackoverflow.com/questions/6218812/implementing-comparision-operators-via-tuple-and-tie-a-good-idea it yourself. I'd say only consider a different approach if profiling shows the comparison operation to be a time consuming part of..
What's the best Free C++ Profiler for Windows? http://stackoverflow.com/questions/67554/whats-the-best-free-c-profiler-for-windows of my c code. I'd like to find a free non intrusive good profiling tool. I'm a game developer and I use PIX for Xbox360 and found..
How do I profile a MEX-function in Matlab http://stackoverflow.com/questions/11220250/how-do-i-profile-a-mex-function-in-matlab c matlab profiling mex share improve this question Profiling MEX files is tricky since the MEX files are shared libraries... to matlab bin mex g f path to matlab bin engopts.sh test.c Profiling the MEX file with valgrind requires running the 'test' program..
Structure of arrays and array of structures - performance difference http://stackoverflow.com/questions/11616941/structure-of-arrays-and-array-of-structures-performance-difference i didnt expect the performance difference to be this high. Profiling on cachegrind shows similar number of misses for both approach...
Profiling the C++ compilation process http://stackoverflow.com/questions/13559818/profiling-the-c-compilation-process the C compilation process I tend to write rather large templated..
What are some good profilers for native C++ on Windows? http://stackoverflow.com/questions/153559/what-are-some-good-profilers-for-native-c-on-windows for native C and WHY See also What's Your Favorite Profiling Tool For C c windows performance profiling share improve..
http://stackoverflow.com/questions/1598703/profiling-dll-lib-bloat DLL LIB Bloat I've inherited a fairly large C project in VS2005..
Setting up a Programming Environment in Linux [closed] http://stackoverflow.com/questions/222471/setting-up-a-programming-environment-in-linux gcc gdb etc. Some sort of editor IDE emacs vim eclipse Profiling tools Source Control SubVersion git etc Language specific tools..
Determining if an unordered vector<T> has all unique elements http://stackoverflow.com/questions/2769174/determining-if-an-unordered-vectort-has-all-unique-elements if an unordered vector T has all unique elements Profiling my cpu bound code has suggested I that spend a long time checking..
Do I need to use locking with integers in c++ threads http://stackoverflow.com/questions/2895614/do-i-need-to-use-locking-with-integers-in-c-threads but I see a lot of code out there that does use locking. Profiling such code shows that there is a significant performance hit..
OpenMP: Huge performance differences between Visual C++ 2008 and 2010 http://stackoverflow.com/questions/4738045/openmp-huge-performance-differences-between-visual-c-2008-and-2010 framework as suggested by DeadMG leads to 40 CPU. Profiling it shows that time is spent in processing so it doesn't show..
Fast implementation of trigonometric functions for c++ http://stackoverflow.com/questions/5777110/fast-implementation-of-trigonometric-functions-for-c I'm simply using the implementations included in math.h . Profiling shows that the calls to these functions cost more than I was..
Profiling in Visual Studio 2008 PRO http://stackoverflow.com/questions/61669/profiling-in-visual-studio-2008-pro in Visual Studio 2008 PRO How do I use the profiler in Visual..
Profiling C++ multi-threaded applications http://stackoverflow.com/questions/638090/profiling-c-multi-threaded-applications C multi threaded applications Have you used any profiling tool..
Memory Allocation Profiling in C++ http://stackoverflow.com/questions/700097/memory-allocation-profiling-in-c Allocation Profiling in C I am writing an application and am surprised to see its..
http://stackoverflow.com/questions/773982/profiling-disk-access disk access Currently I am working on a MFC application which..
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