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c++ Programming Glossary: benchmarksHow much faster is C++ than C#? http://stackoverflow.com/questions/138361/how-much-faster-is-c-than-c implementation isn't even the bottleneck. Take the benchmarks at http shootout.alioth.debian.org with a great deal of scepticism..
Performance of Java 1.6 vs C++? http://stackoverflow.com/questions/1517868/performance-of-java-1-6-vs-c share improve this question Debian likes to conduct benchmarks on this sort of thing . In their case it appears that Java is..
How to parse space-separated floats in C++ quickly? http://stackoverflow.com/questions/17465061/how-to-parse-space-separated-floats-in-c-quickly is exactly that of strtod to simplify coding. I ran the benchmarks in two environments on different machines so the absolute values..
http://stackoverflow.com/questions/2188680/is-fastcall-really-faster than other calling conventions such as cdecl Are there any benchmarks out there that show how performance is affected by calling convention..
Floating point vs integer calculations on modern hardware http://stackoverflow.com/questions/2550281/floating-point-vs-integer-calculations-on-modern-hardware . Short of spending my entire day running hundreds of benchmarks making graphs etc. is there something I can do to get a reasonable..
Which C++ Library for CGI Programming? http://stackoverflow.com/questions/316200/which-c-library-for-cgi-programming fun in a compiled language to run some simple tests and benchmarks against php. Basically I'd like to see what other people use..
Looking for an elegant and efficient C++ matrix library http://stackoverflow.com/questions/3359608/looking-for-an-elegant-and-efficient-c-matrix-library a syntax conversion table for Matlab users and there are benchmarks against other C matrix libraries in the website. I find it very..
Is using double faster than float? http://stackoverflow.com/questions/3426165/is-using-double-faster-than-float but my prediction is that for reasonable i.e. large benchmarks you'll find advantage to sticking with single precision assuming..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali the C standard library iostream. It would be nice to see benchmarks on other systems and commentary on things common implementations..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion Besides better algorithms I'd also like to get some benchmarks on several different platforms and compilers let's use MB s..
What's the rationale for null terminated strings? http://stackoverflow.com/questions/4418708/whats-the-rationale-for-null-terminated-strings These languages usually beat C in string manipulation benchmarks because they are more efficient with strings. C rectified this..
Why is snprintf faster than ostringstream or is it? http://stackoverflow.com/questions/445315/why-is-snprintf-faster-than-ostringstream-or-is-it slower when implemented. FastFormat's website has some benchmarks . The Standard library design for streams supports much more..
c/c++ FFT library with non GPL license [closed] http://stackoverflow.com/questions/463181/c-c-fft-library-with-non-gpl-license lgpl share improve this question KissFFT Some benchmarks comparing to fftw http www.fftw.org speed Pentium4 2.4GHz gcc..
Is C# really slower than say C++? http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c my two cents worth on that subject as well. Most of these benchmarks are a bit like teenagers deciding to race their cars and whoever.. by factors that favor C . You can certainly find benchmarks that will indicate the outcome of your choice but when you write..
http://stackoverflow.com/questions/579887/how-expensive-is-rtti that RTTI is expensive but none of them actually give any benchmarks or quantitative data reguarding memory processor time or speed...
What is the performance cost of having a virtual method in a C++ class? http://stackoverflow.com/questions/667634/what-is-the-performance-cost-of-having-a-virtual-method-in-a-c-class I guess it depends on the platform but has anyone run some benchmarks The reason I am asking is that I came across a bug that happened..
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 measurement the timer protection is enough to make the benchmarks reasonably hard to cheat. I obviously can't go into details..
Optimal buffer size for write(2) http://stackoverflow.com/questions/8803515/optimal-buffer-size-for-write2 the time is spent on reading the disk. Filesystem and disk benchmarks are quite flat in that range. 4Kbytes seems to often be the..
C++ Memory Barriers for Atomics http://stackoverflow.com/questions/8841738/c-memory-barriers-for-atomics claims that this is faster than mfence. However my own benchmarks show the opposite so apparently it's very much dependent on..
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