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How to measure elapsed time in python?
To measure time elapsed during program's execution, either use time.clock() or time.time() functions. The python docs state that this function should be used for benchmarking purposes.
example
import time
t0= time.clock()
print("Hello")
t1 = time.clock() - t0
print("Time elapsed: ", t1) # CPU seconds elapsed (floating point)Output
This will give the output −
Time elapsed: 1.2999999999999123e-05
You can also use the time module to get proper statistical analysis of a code snippet's execution time. It runs the snippet multiple times and then it tells you how long the shortest run took. You can use it as follows:
Example
def f(x):
return x * x
import timeit
timeit.repeat("for x in range(100): f(x)", "from __main__ import f", number=100000)Output
This will give the output −
[2.0640320777893066, 2.0876040458679199, 2.0520210266113281]
Updated on: 07-Jun-2020
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