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c++ Programming Glossary: measurementCopy a file in an sane, safe and efficient way http://stackoverflow.com/questions/10195343/copy-a-file-in-an-sane-safe-and-efficient-way open and close of the file descriptors is include in the measurement of clock . Their are no other significant changes in the source..
Getting the size of a Qt Object http://stackoverflow.com/questions/1274022/getting-the-size-of-a-qt-object and run it again with a larger value for N and repeat the measurement. Repeat that process and eventually you'll get an idea of how..
C++ high precision time measurement in Windows http://stackoverflow.com/questions/1825720/c-high-precision-time-measurement-in-windows high precision time measurement in Windows I'm interested in measuring a specific point in..
fastest (low latency) method for Inter Process Communication between Java and C/C++ http://stackoverflow.com/questions/2635272/fastest-low-latency-method-for-inter-process-communication-between-java-and-c to single core still have much overhead Some shared memory measurement September 14 2009 Solace Systems announced today that its Unified..
Performance of C++ vs Virtual Machine languages in high frequency finance http://stackoverflow.com/questions/3175072/performance-of-c-vs-virtual-machine-languages-in-high-frequency-finance I think the 20000 above is low. I build infrastructure and measurement software for this domain and the numbers we talk about are 100000's..
Qt: Best way to implement “oscilloscope-like” realtime-plotting http://stackoverflow.com/questions/3848427/qt-best-way-to-implement-oscilloscope-like-realtime-plotting I'm working on a Gui Module for Qt to plot realtime measurements like in an digital oscilloscope based on Qwt . Everything works.. storage more to be more independent on working with the measurements. Therefore it would be nice to add a seperate List of time.. nice to add a seperate List of time coordinates for every measurement and put them both in a seperate QObject which accepts and delievers..
Looking for benchmarking code snippet (c++) http://stackoverflow.com/questions/483164/looking-for-benchmarking-code-snippet-c worry about disappearing #include omp.h Starting the time measurement double start omp_get_wtime Computations to be measured ... Measuring..
JIT compiler vs offline compilers http://stackoverflow.com/questions/538056/jit-compiler-vs-offline-compilers use runtime profiling to optimize specific cases based on measurement of the characteristics of what the code is actually doing at..
string comparison with the most similar string http://stackoverflow.com/questions/5861718/string-comparison-with-the-most-similar-string comparison share improve this question The usual measurement for this is the Levenshtein distance . Compute the Levenshtein..
http://stackoverflow.com/questions/6432669/variance-in-rdtsc-overhead factor that I have to account for is the overhead of the measurement code itself. I'm measuring with RDTSC and I'm using the following.. with RDTSC and I'm using the following code to find the measurement overhead extern inline unsigned long long __attribute__ always_inline..
http://stackoverflow.com/questions/661338/sse-sse2-and-sse3-for-gnu-c intrinsics you'll learn a lot and on profiling performance measurement you'll avoid wasting time SSE ing code for little return on..
How to measure the time that a piece of code takes to execute? http://stackoverflow.com/questions/7497630/how-to-measure-the-time-that-a-piece-of-code-takes-to-execute how they're doing it. c multithreading profiling time measurement share improve this question There are different ways to..
Finding out the CPU clock frequency (per core, per processor) http://stackoverflow.com/questions/8351944/finding-out-the-cpu-clock-frequency-per-core-per-processor All known methods to measure frequency require an accurate measurement of time. However a determined cheater can tamper with all the.. All known methods to measure frequency require an accurate measurement of time This is perhaps the bigger problem. You need a timer.. hacks. Although I don't try to get an accurate frequency measurement the timer protection is enough to make the benchmarks reasonably..
How to create a plagiarism detector of c++ files [closed] http://stackoverflow.com/questions/9687763/how-to-create-a-plagiarism-detector-of-c-files I think firstly you could create double originality measurement function which will give you float point value between 0 and..
http://stackoverflow.com/questions/9860667/writing-robust-color-and-size-invariant-circle-detection-with-opencv-based-on can be used to define simple decision rules based on the measurement of the properties. This is what you're doing by trial and error...
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