importtimefromconcurrent.futuresimportThreadPoolExecutor, as_completed # Decorator to add multithreadingdefmultithreaded(max_workers=5):defdecorator(func):defwrapper(*args, **kwargs):withThreadPoolExecutor(max_workers=max_workers)asexecutor:future_to_args = {executor.submit(func, arg): argforarginargs...
# Using aforloop to process each number squared_numbers=[]start_time=time.time()fornumberinnumbers:squared_numbers.append(square_number(number))end_time=time.time()print("Squared numbers:",squared_numbers)print("Time taken:",end_time-start_time,"seconds")# Time taken:10.082990884780884seconds ...
from concurrent.futures import ThreadPoolExecutor with ThreadPoolExecutor(max_workers=5) as executor: future_to_url = {executor.submit(fetch_data, url): url for url in urls} for future in concurrent.futures.as_completed(future_to_url): url = future_to_url[future] try: data = future.resul...
data_list=[]forurlinurl_list:data_list.append(get_data_from_url(url)) 多线程:开启多个线程处理 frommultiprocessing.poolimportThreadPooltpool=ThreadPool(20)# 创建一个线程池,20个线程数data_list=tpool.map(get_data_from_url,url_list)# 将任务交给线程池,与python的map方法类似 多进程:开启多个进程处...
python 线程池 pool python 线程池 线程命名 01创建线程方式1 import threading import time # 相关文档 # https://docs.python.org/zh-cn/3/library/threading.html def loop(): print(threading.currentThread().getName()) n = 0 while n < 5:...
1、线程池管理器(ThreadPool),用于启动、停用,管理线程池2、工作线程(WorkThread),线程池中的线程3、请求接口(WorkRequest),创建请求对象,以供工作线程调度任务的执行4、请求队列(RequestQueue),用于存放和提取请求5、结果队列(ResultQueue),用于存储请求执行后返回的结果 线程池管理器,通过添加请求的方法(putRequest)...
rTxt=r.textprint(rTxt)defthreadPoolTest(): startTime=int(time.time()) loopCnt= 30with ThreadPoolExecutor(max_workers=10) as t:foriinrange(loopCnt): task=t.submit(reqlocal) task.done() entdTime=int(time.time()) proTime= entdTime -startTimeprint("总耗时:",proTime)if__name__==...
from multiprocessing import Process, Pool, Queue from datetime import datetime from time import sleep import random import subprocess """Thread & Process in Python If a program need execute more than one task, we have three solution: 1.Create more than one process to do them ...
while循环一般用于循环次数难以提前确定的情况，当然也可以用于循环次数确定的情况；for循环一般用于循环次数...
worker threads to start initially.If ``q_size > 0`` the size of the work *request queue* is limited andthe thread pool blocks when the queue is full and it tries to putmore work requests in it (see ``putRequest`` method), unless you alsouse a positive ``timeout`` value for `...