Easiest way to calculate execution time of a python script?

Question

What's the easiest way to calculate the execution time of a Python script?

Jakob Bowyer · Accepted Answer · 2011-12-25 22:36:50Z

8

timeit module is designed specifically for this purpose.

Silly example as follows

def test():
    """Stupid test function"""
    L = []
    for i in range(100):
        L.append(i)

if __name__ == '__main__':
    from timeit import Timer
    t = Timer("test()", "from __main__ import test")
    print t.timeit()

Note that timeit can also be used from the command line (python -m timeit -s 'import module' 'module.test()') and that you can run the statement several times to get a more accurate measurement. Something I think time command doesn't support directly. -- jcollado

edited Dec 25, 2011 at 22:36

answered Dec 25, 2011 at 22:07

Jakob Bowyer

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Cydonia7 · Accepted Answer · 2011-12-25 21:47:57Z

5

Using Linux time command like this : time python file.py

Or you can take the times at start and at end and calculate the difference.

answered Dec 25, 2011 at 21:47

Cydonia7

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Andrey Nikishaev · Accepted Answer · 2011-12-25 21:47:35Z

1

Under linux: time python script.py

answered Dec 25, 2011 at 21:47

Andrey Nikishaev

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Neilvert Noval · Accepted Answer · 2011-12-25 21:48:40Z

0

How about using time?
example: time myPython.py

answered Dec 25, 2011 at 21:48

Neilvert Noval

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