search
HomeBackend DevelopmentPython Tutorialpython thread 并发且顺序运行示例

代码如下:


#-*- coding:utf-8 -*-
import threading
import time
def fun(name, ls_name, front_thread = None):
'''''
线程启动函数
通过front_thread来使用线程有序的运行
'''
time.clock()
time.sleep(2)
# 如果front_thread存在,则在front_thread运行完成后,才运行当前线程
if front_thread != None:
front_thread.join()
ls_name.append(name)
print "thread %s : %s"% (name, time.clock())

if __name__ == '__main__':
ls_result_name = []
ls_thread = []
time.clock()
# 逐一启动1000个线程
for i in range(0,10):
if len(ls_thread) == 0:
t = threading.Thread(target=fun, args=(i,ls_result_name,None))
else:
t = threading.Thread(target=fun, args=(i,ls_result_name,ls_thread[-1]))
t.start()
ls_thread.append(t)

# 等待所有线程结束
for t in ls_thread:
t.join()

print 'ls_result_name:', ls_result_name
print "main thread:%s" % time.clock()


运行结果为:
thread 0 : 1.99962006344
thread 1 : 2.00000866032
thread 2 : 2.00059113658
thread 3 : 2.00080345407
thread 4 : 2.00100068584
thread 5 : 2.00119456523
thread 6 : 2.00138593033
thread 7 : 2.00166753037
thread 8 : 2.00211758757
thread 9 : 2.0024776892
ls_result_name: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
main thread:2.003211302
线程更明细的使用可参考:
http://docs.python.org/library/threading.html
time.clock模块的更详细介绍可参考:
http://blog.csdn.net/kiki113/archive/2009/03/28/4033017.aspx
Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Python: compiler or Interpreter?Python: compiler or Interpreter?May 13, 2025 am 12:10 AM

Python is an interpreted language, but it also includes the compilation process. 1) Python code is first compiled into bytecode. 2) Bytecode is interpreted and executed by Python virtual machine. 3) This hybrid mechanism makes Python both flexible and efficient, but not as fast as a fully compiled language.

Python For Loop vs While Loop: When to Use Which?Python For Loop vs While Loop: When to Use Which?May 13, 2025 am 12:07 AM

Useaforloopwheniteratingoverasequenceorforaspecificnumberoftimes;useawhileloopwhencontinuinguntilaconditionismet.Forloopsareidealforknownsequences,whilewhileloopssuitsituationswithundeterminediterations.

Python loops: The most common errorsPython loops: The most common errorsMay 13, 2025 am 12:07 AM

Pythonloopscanleadtoerrorslikeinfiniteloops,modifyinglistsduringiteration,off-by-oneerrors,zero-indexingissues,andnestedloopinefficiencies.Toavoidthese:1)Use'i

For loop and while loop in Python: What are the advantages of each?For loop and while loop in Python: What are the advantages of each?May 13, 2025 am 12:01 AM

Forloopsareadvantageousforknowniterationsandsequences,offeringsimplicityandreadability;whileloopsareidealfordynamicconditionsandunknowniterations,providingcontrolovertermination.1)Forloopsareperfectforiteratingoverlists,tuples,orstrings,directlyacces

Python: A Deep Dive into Compilation and InterpretationPython: A Deep Dive into Compilation and InterpretationMay 12, 2025 am 12:14 AM

Pythonusesahybridmodelofcompilationandinterpretation:1)ThePythoninterpretercompilessourcecodeintoplatform-independentbytecode.2)ThePythonVirtualMachine(PVM)thenexecutesthisbytecode,balancingeaseofusewithperformance.

Is Python an interpreted or a compiled language, and why does it matter?Is Python an interpreted or a compiled language, and why does it matter?May 12, 2025 am 12:09 AM

Pythonisbothinterpretedandcompiled.1)It'scompiledtobytecodeforportabilityacrossplatforms.2)Thebytecodeistheninterpreted,allowingfordynamictypingandrapiddevelopment,thoughitmaybeslowerthanfullycompiledlanguages.

For Loop vs While Loop in Python: Key Differences ExplainedFor Loop vs While Loop in Python: Key Differences ExplainedMay 12, 2025 am 12:08 AM

Forloopsareidealwhenyouknowthenumberofiterationsinadvance,whilewhileloopsarebetterforsituationswhereyouneedtoloopuntilaconditionismet.Forloopsaremoreefficientandreadable,suitableforiteratingoversequences,whereaswhileloopsoffermorecontrolandareusefulf

For and While loops: a practical guideFor and While loops: a practical guideMay 12, 2025 am 12:07 AM

Forloopsareusedwhenthenumberofiterationsisknowninadvance,whilewhileloopsareusedwhentheiterationsdependonacondition.1)Forloopsareidealforiteratingoversequenceslikelistsorarrays.2)Whileloopsaresuitableforscenarioswheretheloopcontinuesuntilaspecificcond

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

Atom editor mac version download

Atom editor mac version download

The most popular open source editor