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| // reference from: https://github.com/Project-OSRM/osrm-backend
#ifndef TIME_UTILS_H_
#define TIME_UTILS_H_
#include "chrono"
// Recording start
#define TIMER_START(_X) auto _X##_start = std::chrono::steady_clock::now(), _X##_stop = _X##_start
// Recording end
#define TIMER_STOP(_X) _X##_stop = std::chrono::steady_clock::now()
// return duration time with nanosecond
#define TIMER_NSEC(_X) \
std::chrono::duration_cast<std::chrono::nanoseconds>(_X##_stop - _X##_start).count()
// return duration time with microsecond
#define TIMER_USEC(_X) \
std::chrono::duration_cast<std::chrono::microseconds>(_X##_stop - _X##_start).count()
// return duration time with millisecond
#define TIMER_MSEC(_X) \
(0.000001 * \
std::chrono::duration_cast<std::chrono::nanoseconds>(_X##_stop - _X##_start).count())
// return duration time with seconds
#define TIMER_SEC(_X) \
(0.000001 * \
std::chrono::duration_cast<std::chrono::microseconds>(_X##_stop - _X##_start).count())
// return duration time with minutes
#define TIMER_MIN(_X) \
std::chrono::duration_cast<std::chrono::minutes>(_X##_stop - _X##_start).count()
#define ERROR(...) \
do{ \
fprintf(stderr, "[ERROR ]%s %s(Line %d): ",__FILE__,__FUNCTION__,__LINE__); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stdout, "\n"); \
}while (0)
#define WARNING(...) \
do{ \
fprintf(stdout, "[WARNING]%s %s(Line %d): ",__FILE__,__FUNCTION__,__LINE__); \
fprintf(stdout, __VA_ARGS__); \
fprintf(stdout, "\n"); \
}while (0)
#define INFO(...) \
do{ \
fprintf(stdout, "[INFO ]%s %s(Line %d): ",__FILE__,__FUNCTION__,__LINE__); \
fprintf(stdout, __VA_ARGS__); \
fprintf(stdout, "\n"); \
}while (0)
#ifdef DEBUG
#define DBG(...) \
do{ \
fprintf(stdout, "[DEBUG ]%s %s(Line %d): ",__FILE__,__FUNCTION__,__LINE__); \
fprintf(stdout, __VA_ARGS__); \
fprintf(stdout, "\n"); \
}while(0)
// Recording start
#define DBG_TIMER_START(_X) auto _X##_start = std::chrono::steady_clock::now(), _X##_stop = _X##_start
// Recording end
#define DBG_TIMER_STOP(_X) _X##_stop = std::chrono::steady_clock::now()
#define DBG_TIMER_MSEC(_X) \
(0.000001 * \
std::chrono::duration_cast<std::chrono::nanoseconds>(_X##_stop - _X##_start).count())
#else
#define DBG(...)
#define DBG_TIMER_START(_X)
#define DBG_TIMER_STOP(_X)
#define DBG_TIMER_MSEC(_X)
#endif
#endif //TIME_UTILS_H_
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