time — Clock Time — PyMOTW 3

The time module provides access to several different types of clocks, each useful for different purposes. The standard system calls like time() report the system “wall clock” time. The monotonic() clock can be used to measure elapsed time in a long-running process because it is guaranteed never to move backwards, even if the system time is changed. For performance testing, perf_counter() provides access to the clock with the highest available resolution to make short time measurements more accurate. The CPU time is available through time() , and process_time() returns the combined processor time and system time.

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This post is part of the Python Module of the Week series for Python 3. See PyMOTW.com for more articles from the series.