Bitwise vs Addition in Python (1 million loops)

bitwise_versus_addition.py

In [1]: def bitwise_or():
   ...:     x = 0
   ...:     for i in range(1, 32):
   ...:         x |= 1 << i
   ...:     return x
   ...:

In [2]: def addition():
   ...:     x = 0
   ...:     for i in range(1, 32):
   ...:         x += 1 << i
   ...:     return x
   ...:
   
In [3]: bitwise_or() == addition()
Out[7]: True

In [4]: %timeit -n 1_000_000 bitwise_or()
2.37 µs ± 58.1 ns per loop (mean ± std. dev. of 7 runs, 1,000,000 loops each)

In [5]: %timeit -n 1_000_000 addition()
1.99 µs ± 48.7 ns per loop (mean ± std. dev. of 7 runs, 1,000,000 loops each)