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"""
(anaconda3-4.2.0) ~/tmp% python numba_example.py [18:00:09]
Python: 3.641503095626831
Numba: 0.09061694145202637
"""
import time
from numba import jit, int32
def fib(n):
if n <= 1:
return n
else:
return fib(n - 1) + fib(n - 2)
@jit(int32(int32), nopython=True)
def fib_numba(n):
if n <= 1:
return n
else:
return fib_numba(n - 1) + fib_numba(n - 2)
def measure(f):
t = time.time()
f()
return time.time() - t
N = 35
print('Python:', measure(lambda: fib(N)))
print('Numba: ', measure(lambda: fib_numba(N)))
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