Python programming test computer to enable the maximum number of threads instance code, python instance

Python programming test computer to enable the maximum number of threads instance code, python instance

The example code in this article mainly implements the maximum number of threads enabled by the python programming test computer. The specific implementation code is as follows.

#! /Usr/bin/env python # coding = gbk import threading import time, random, sys class Counter: def _ init _ (self): self. lock = threading. lock () self. value = 0 def increment (self): self. lock. acquire () self. value = self. value + 1 self. lock. release () return value counter = Counter () cond = threading. condition () class Worker (threading. thread): def run (self): print self. getName (), "-- created. "cond. a Cquire () # for I in range (10): # pretend we're doing something that takes 10? 00 MS # value = counter. increment () # time. sleep (random. randint (10,100)/1000.0) cond. wait () # print self. getName (), "-- task", "finished" cond. release () if _ name _ = '_ main _': try: for I in range (3500): Worker (). start () # start a worker failed t BaseException, e: print "exception:", type (e), e time. sleep (5) print "maxium I =", I finally: cond. acquire () cond. policyall () cond. release () time. sleep (3) print threading. currentThread (). getName (), "quit"

Running result section:

Summary

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