How to use the cProfile tool for python

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Profile Performance Analysis Tool

cProfile is a built-in performance analysis tool in the standard library. You can see the number of times each function is called and the running time in the standard output, so as to find the performance bottleneck of the program and optimize the performance accordingly.

Python code performance analysis cProfile

import cProfiledef func(a): sum = 0 for i in range(a): sum += i return sumif __name__ == '__main__': cProfile.run("func(10000000)")

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