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elliotwutingfeng/pick1or3.ipy

Created June 7, 2023 01:54
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Fastest way to pick either 1 or 3 at random in IPython (IronPython). Inspired by Christopher's (twitter handle: @shrydar) suggestion featured in https://youtube.com/watch?v=VC-lbd8mTOs&t=1702s
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pick1or3.ipy
from random import choice, random, randrange
# Fastest way to pick either 1 or 3 at random in IPython (IronPython).
# Inspired by Christopher's (twitter handle: @shrydar) suggestion
# featured in https://youtube.com/watch?v=VC-lbd8mTOs&t=1702s
# Tested on Python 3.11.3, Linux x64, AMD Ryzen 7 5800X
t = (1, 3)
%timeit int(random() * 4) | 1
# 63.3 ns ± 0.112 ns per loop (mean ± std. dev. of 7 runs, 10,000,000 loops each)
%timeit choice(t)
# 147 ns ± 0.377 ns per loop (mean ± std. dev. of 7 runs, 10,000,000 loops each)
%timeit randrange(1, 4, 2)
# 237 ns ± 0.276 ns per loop (mean ± std. dev. of 7 runs, 1,000,000 loops each)
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