sympy/bin/test_import at master · sympy/sympy

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#!/usr/bin/env python

"""

Tests the speed of "import sympy" by measuring it many times in a row and

averaging the values.

Usage:

$ bin/test_import

"""

from __future__ import print_function

n_tests = 50

from pexpect import run

from numpy import mean, std

from get_sympy import path_hack

def test():

t = run("python bin/test_import.py", cwd=path_hack())

t = float(t)

return t

tests = [test() for x in range(n_tests + 1)]

print("Note: the first run (warm up) was not included in the average + std dev")

print("All runs (including warm up):")

print(tests)

# skip the first run (warm up):

tests = tests[1:]

print("Number of tests: %d" % (n_tests))

print('The speed of "import sympy" is: %f +- %f' % (mean(tests), std(tests)))