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How to get the timing Execution Speed of Python Code?
To measure time of a 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 - t0) # CPU seconds elapsed (floating point)Output
This will give the output −
Time elapsed: 0.0009403145040156798
You can also use the timeit 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: 19-Feb-2020
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