4 examples of 'python benchmark timer' in Python

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def benchmark():
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    """Run the benchmark and print benchmark results."""
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    setup = "from scipy.stats import arcsine; from random import random;"
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    stmt = "y = arcsine.cdf(random(), 10.56789, 55.54321)"
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    t = timeit.Timer(stmt, setup=setup)
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    print_version()
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    for i in xrange(REPEATS):
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        print("# python::" + NAME)
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        elapsed = t.timeit(number=ITERATIONS)
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        print_results(elapsed)
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        print("ok " + str(i+1) + " benchmark finished")
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    print_summary(REPEATS, REPEATS)

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def benchmark():
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    """Run the benchmark and print benchmark results."""
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    setup = "from math import exp; from random import random;"
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    stmt = "y = exp(100.0*random() - 50.0)"
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    t = timeit.Timer(stmt, setup=setup)
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    print_version()
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    for i in xrange(REPEATS):
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        print("# python::" + NAME)
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        elapsed = t.timeit(number=ITERATIONS)
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        print_results(elapsed)
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        print("ok " + str(i+1) + " benchmark finished")
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    print_summary(REPEATS, REPEATS)

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def bench(func):
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    """Print the runtime of the decorated function"""
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    @functools.wraps(func)
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    def wrapper_timer(*args, **kwargs):
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        nb_iterations = kwargs.get('nb_iterations', DEFAULT_ITERATIONS)
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        total_time = 0.0
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        for i in range(nb_iterations):
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            start_time = timer()
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            value = func(*args, **kwargs)
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            end_time = timer()
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            total_time += end_time - start_time
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        total_time /= nb_iterations
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        print(f"Finished in {total_time*1e6:.2f} ns over {nb_iterations} runs")
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        return value
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    return wrapper_timer

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def test_timer():
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    '''Testing (Adaptive)ETA when the value doesn't actually change'''
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    widgets = [
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        progressbar.Timer(),
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    ]
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    p = progressbar.ProgressBar(max_value=2, widgets=widgets,
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                                poll_interval=0.0001)
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    p.start()
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    p.update()
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    p.update(1)
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    p._needs_update()
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    time.sleep(0.001)
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    p.update(1)
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    p.finish()