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c++ Programming Glossary: time.hWhat's the Right Way to use the rand() Function in C++? http://stackoverflow.com/questions/1117292/whats-the-right-way-to-use-the-rand-function-in-c
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of the code #define SAMPLES 1000 #define MATSIZE 512 #include time.h #include iostream int mat MATSIZE MATSIZE void transpose for..
Issue when scheduling tasks using clock() function http://stackoverflow.com/questions/11865460/issue-when-scheduling-tasks-using-clock-function functional #include queue #include chrono #include sys time.h for `time_t` and `struct timeval` namespace events struct event..
How to compare two time stamp in format “Month Date hh:mm:ss” to check +ve or -ve value http://stackoverflow.com/questions/15555406/how-to-compare-two-time-stamp-in-format-month-date-hhmmss-to-check-ve-or-v Below Is my example program #include stdio.h #include time.h int main void time_t t1 t2 struct tm timeptr tm1 tm2 char time1..
Converting epoch time to “real” date/time http://stackoverflow.com/questions/1692184/converting-epoch-time-to-real-date-time gmtime.c v 1.4 91 04 22 13 20 27 ceriel Exp #include time.h #include limits.h #include loc_time.h struct tm gmtime register.. ceriel Exp #include time.h #include limits.h #include loc_time.h struct tm gmtime register const time_t timer static struct tm..
How to Calculate Execution Time of a Code Snippet in C++ http://stackoverflow.com/questions/1861294/how-to-calculate-execution-time-of-a-code-snippet-in-c linux. #ifdef WIN32 #include Windows.h #else #include sys time.h #include ctime #endif Returns the amount of milliseconds elapsed..
mixing cout and printf for faster output http://stackoverflow.com/questions/1924530/mixing-cout-and-printf-for-faster-output did what. #include iostream #include sstream #include time.h #include iomanip #include algorithm #include iterator #include..
The C `clock()` function just returns a zero http://stackoverflow.com/questions/2134363/the-c-clock-function-just-returns-a-zero a good way to measure time with good precision #include time.h #include stdio.h int main clock_t start end double cpu_time_used..
Floating point vs integer calculations on modern hardware http://stackoverflow.com/questions/2550281/floating-point-vs-integer-calculations-on-modern-hardware #include iostream #include cmath #include cstdlib #include time.h int main int argc char argv int accum 0 srand time NULL for.. #include iostream #include cmath #include cstdlib #include time.h int main int argc char argv float accum 0 srand time NULL for..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds Linux and BSD you want to use clock_gettime . #include sys time.h int main timespec ts clock_gettime CLOCK_MONOTONIC ts Works..
http://stackoverflow.com/questions/307596/time-difference-in-c time difference in C in miliseconds I used difftime time.h but it doesn't have enough precision for what I'm trying to.. enough precision for what I'm trying to measure. c time time.h share improve this question You have to use one of the more.. but you can do it manually fairly easily #include time.h int diff_ms timeval t1 timeval t2 return t1.tv_sec t2.tv_sec..
Convert a string to a date in C++ http://stackoverflow.com/questions/308390/convert-a-string-to-a-date-in-c c string date share improve this question #include time.h char strptime const char buf const char format struct tm tm..
http://stackoverflow.com/questions/3907028/opencv-process-every-frame operations at pixel level. #include stdio.h #include time.h #include cv.h #include highgui.h typedef IplImage callback_prototype..
How to get IOStream to perform better? http://stackoverflow.com/questions/5166263/how-to-get-iostream-to-perform-better iomanip #include cmath #include cstdio #include sys time.h template typename Func double benchmark Func f size_t iterations..
Program is generating same random numbers on each run? http://stackoverflow.com/questions/7592129/program-is-generating-same-random-numbers-on-each-run code main.cpp #include iostream #include cstdlib #include time.h #include string #include Minesweeper box.h #include cstdio int..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle stdio.h #include stdlib.h #include math.h #include sys time.h double stoptime void struct timeval t gettimeofday t NULL return..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python just use fgets instead. C code #include iostream #include time.h using namespace std int main string input_line long line_count..
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