基于Numba提高python运行效率过程解析

pip --default-timeout=10000 install -U numba

from numba import jit
import time
def add(x):
  he=0
  for i in range(x):
    he+=i
  return he
start=time.time()
res=add(100000000)
print(res)
end=time.time()
print(end-start)

耗时5s
4999999950000000
5.707650184631348

from numba import jit
import time
@jit
def add(x):
  he=0
  for i in range(x):
    he+=i
  return he
start=time.time()
res=add(100000000)
print(res)
end=time.time()
print(end-start)

耗时0.14s，快了近40倍
4999999950000000
0.14488554000854492