fork(1) download
copy 
  1. #include <chrono>
  2. 	#include <ctime>
  3. 	#include <cstdint>
  4.     struct HighResClock
  5.     {
  6.         typedef long long                               rep;
  7.         typedef std::nano                               period;
  8.         typedef std::chrono::duration<rep, period>      duration;
  9.         typedef std::chrono::time_point<HighResClock>   time_point;
  10.         static const bool is_steady = true;
  11.         static time_point now();
  12.     };
  13.  
  14.  	template<class Clock>
  15.     class Timer
  16.     {
  17.         typedef Clock SysClock;
  18.         typedef typename Clock::time_point Time;
  19.         typedef typename Clock::duration Duration;
  20.         Time start_;
  21.     public:
  22.         Timer();
  23.         void Restart();
  24.  
  25.         Duration TimeElapsed() const;
  26.         int64_t TimeElapsed_s() const;
  27.         int64_t TimeElapsed_ms() const;
  28.         int64_t TimeElapsed_us() const;
  29.         int64_t TimeElapsed_ns() const;
  30.  
  31.         template<class unit>
  32.         int64_t TimeElapsed_T() const
  33.         {
  34.             return std::chrono::duration_cast<unit>(TimeElapsed()).count();
  35.         }
  36.     };
  37.  
  38.     using NTimer = Timer<std::chrono::system_clock>;
  39.     using HRTimer = Timer<HighResClock>;
  40.  
  41. int main()
  42. {
  43.  
  44. }
  45.  
  46.  
Success #stdin #stdout 0s 3336KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/Q6PXEY
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!