#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2018/6/19 15:03
# @File : 协程.py
# 协程：单线程下实现并发
import time
def producer():
g = consumer()
next(g)
for i in range(10000000):
g.send(i)
def consumer():
while True:
res = yield
start_time = time.time()
producer()
stop_time = time.time()
print('并发:', stop_time - start_time) # 并发: 4.239000082015991
# 串行
import time
def producer():
res = []
for i in range(10000000):
res.append(i)
return res
def consumer(res):
pass
start_time = time.time()
res = producer()
consumer(res)
stop_time = time.time()
print('串行', stop_time - start_time) # 串行 2.4110000133514404