I have made a program which has like 6-7 functions. I want to see how much time each function takes so that I can improve the one which is consuming a lot of time.
Also, is it possible to calculate cell-wise also?
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You are looking for [timeit](https://docs.python.org/3/library/timeit.html). – Luca Cappelletti Jul 31 '18 at 06:08
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Have you looked at [timeit](https://docs.python.org/2/library/timeit.html) ? – Madhan Varadhodiyil Jul 31 '18 at 06:08
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Yes I did. But how to call it function wise? – TheVaibhavJ Jul 31 '18 at 06:10
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If you want to test specific functions - as Luca said - timeit. If you want to get representation of how whole program works: [Python Call Graph](https://pycallgraph.readthedocs.io/en/master/guide/index.html) will help. – Shan Jul 31 '18 at 06:11
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You could do it by creating a decorator function and applying it to the functions of interest.
Here's what I mean:
from functools import wraps
import time
def time_this(func):
@wraps(func)
def wrapper(*args, **kwargs):
start = time.perf_counter()
ret = func(*args, **kwargs)
end = time.perf_counter()
elapsed = end - start
print('elapsed time: {}'.format(elapsed))
return ret
return wrapper
if __name__ == '__main__':
# Test it
@time_this
def myfunc():
time.sleep(.25)
myfunc() # -> elapsed time: 0.24919553
martineau
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