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A simple way to measure execution time

Project description

TicToc - a simple way to measure execution time

TicToc provides a simple mechanism to measure the wall time (a stopwatch) with a reasonable accuracy.

Crete an object. Run tic() to start the timer, toc() to stop it. Repeated tic-toc's will accumulate the time. The tic-toc pair is useful in interactive environments such as the shell or a notebook. Whenever toc is called, a useful message is automatically printed to stdout. For non-interactive purposes, use start and stop, as they are less verbose.

Following is an example of how to use TicToc:

Usage examples

def leibniz_pi(n):
    ret = 0
    for i in range(n * 1000000):
        ret += ((4.0 * (-1) ** i) / (2 * i + 1))
    return ret

tt_overall = TicToc('overall')  # started  by default
tt_cumulative = TicToc('cumulative', start=False)
for iteration in range(1, 4):
    tt_cumulative.start()
    tt_current = TicToc('current')
    pi = leibniz_pi(iteration)
    tt_current.stop()
    tt_cumulative.stop()
    time.sleep(0.01)  # this inteval will not be accounted for by `tt_cumulative`
    print(
        f'Iteration {iteration}: pi={pi:.9}. '
        f'The computation took {tt_current.running_time():.2f} seconds. '
        f'Running time is {tt_overall.running_time():.2} seconds'
    )
tt_overall.stop()
print(tt_overall)
print(tt_cumulative)

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