python调用多进程执行
#!/usr/bin/env python#coding=utf-8
"""
Author: Squall
Last modified: 2011-10-18 16:50
Filename: pool.py
Description: a simple sample for pool class
"""
from multiprocessing import Pool
from time import sleep
def f(x):
for i in range(10):
print '%s --- %s ' % (i, x)
sleep(1)
def main():
pool = Pool(processes=3) # set the processes max number 3
for i in range(11,20):
result = pool.apply_async(f, (i,))
pool.close()
pool.join()
if result.successful():
print 'successful'
if __name__ == "__main__":
main()
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