47             start_time.QuadPart = (LONGLONG)(t * frequency.QuadPart);   in high_resolution_timer()
51           : start_time(rhs.start_time)  in high_resolution_timer()
73             if (!QueryPerformanceCounter(&start_time))  in restart()
86             return double(now.QuadPart - start_time.QuadPart) / frequency.QuadPart;  in elapsed()
95             return double((std::numeric_limits<LONGLONG>::max)() - start_time.QuadPart) /   in elapsed_max()
109         LARGE_INTEGER start_time;  member in util::high_resolution_timer
132             start_time.tv_sec = 0;  in high_resolution_timer()
133             start_time.tv_nsec = 0;  in high_resolution_timer()
140             start_time.tv_sec = time_t(t);  in high_resolution_timer()
141             start_time.tv_nsec = (t - start_time.tv_sec) * 1e9;  in high_resolution_timer()
145           : start_time(rhs.start_time)  in high_resolution_timer()
159             if (-1 == clock_gettime(CLOCK_REALTIME, &start_time))  in restart()
168             if (now.tv_sec == start_time.tv_sec)  in elapsed()
169                 return double(now.tv_nsec - start_time.tv_nsec) * 1e-9;  in elapsed()
171             return double(now.tv_sec - start_time.tv_sec) +   in elapsed()
172                 (double(now.tv_nsec - start_time.tv_nsec) * 1e-9);  in elapsed()
177             return double((std::numeric_limits<time_t>::max)() - start_time.tv_sec);   in elapsed_max()
189         timespec start_time;  member in util::high_resolution_timer
214                 start_time.tv_sec = 0;  in high_resolution_timer()
215                 start_time.tv_nsec = 0;  in high_resolution_timer()
224                 start_time.tv_sec = time_t(t);  in high_resolution_timer()
225                 start_time.tv_nsec = (t - start_time.tv_sec) * 1e9;  in high_resolution_timer()
231             start_time(rhs.start_time)  in high_resolution_timer()
250             else if (-1 == clock_gettime(CLOCK_REALTIME, &start_time))  in restart()
262             if (now.tv_sec == start_time.tv_sec)  in elapsed()
263                 return double(now.tv_nsec - start_time.tv_nsec) * 1e-9;  in elapsed()
265             return double(now.tv_sec - start_time.tv_sec) +   in elapsed()
266                 (double(now.tv_nsec - start_time.tv_nsec) * 1e-9);  in elapsed()
274             return double((std::numeric_limits<time_t>::max)() - start_time.tv_sec);   in elapsed_max()
290         timespec start_time;  member in util::high_resolution_timer
358             start_time.tv_sec = 0;  in high_resolution_timer()
359             start_time.tv_usec = 0;  in high_resolution_timer()
366             start_time.tv_sec = time_t(t);  in high_resolution_timer()
367             start_time.tv_usec = (t - start_time.tv_sec) * 1e6;  in high_resolution_timer()
371           : start_time(rhs.start_time)  in high_resolution_timer()
391             if (gettimeofday(&start_time, NULL))  in restart()
400             return elapsed(now,start_time);  in elapsed()
405             return double((std::numeric_limits<time_t>::max)() - start_time.tv_sec);   in elapsed_max()
433         timeval start_time;  member in util::high_resolution_timer