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Python

Python/時間計測

Top / Python / 時間計測

Python/time.time_ns

• 返す値がnsなだけ

Python/time.time

• +-16ms (Windows)

Python/time.get_clock_info

Windows

• 		Python 3.8.2 (Windows)
  time	Python/time.time()	namespace(adjustable=True, implementation='GetSystemTimeAsFileTime()', monotonic=False, resolution=0.015625)
  monotonic	Python/time.monotonic?()	namespace(adjustable=False, implementation='GetTickCount64()', monotonic=True, resolution=0.015625)
  perf_counter	Python/time.perf_counter()	namespace(adjustable=False, implementation='QueryPerformanceCounter()', monotonic=True, resolution=1e-07)
  process_time	Python/time.process_time()	namespace(adjustable=False, implementation='GetProcessTimes()', monotonic=True, resolution=1e-07)
  thread_time	Python/time.thread_time?()	namespace(adjustable=False, implementation='GetThreadTimes?()', monotonic=True, resolution=1e-07)

Ubuntu

• 		Python 3.6.9? (Ubuntu 18.04)
  time	Python/time.time()	namespace(adjustable=True, implementation='clock_gettime(CLOCK_REALTIME?)', monotonic=False, resolution=1e-09)
  monotonic	Python/time.monotonic?()	namespace(adjustable=False, implementation='clock_gettime(CLOCK_MONOTONIC?)', monotonic=True, resolution=1e-09)
  perf_counter	Python/time.perf_counter()	namespace(adjustable=False, implementation='clock_gettime(CLOCK_MONOTONIC?)', monotonic=True, resolution=1e-09)
  process_time	Python/time.process_time()	namespace(adjustable=False, implementation='clock_gettime(CLOCK_PROCESS_CPUTIME_ID?)', monotonic=True, resolution=1e-09)
  thread_time	Python/time.thread_time?()	unknown clock