python c++读取网络图片性能对比

  

   

    

     

    
    

     

      import time
     
    
   

    

     

    
    

     

      import numpy as np
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      import cv2
     
    
   

    

     

    
    

     

      import requests
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      urls=["http://www.pptbz.com/pptpic/UploadFiles_6909/201203/2012031220134655.jpg","http://pic22.nipic.com/20120714/9622064_105642209176_2.jpg","http://pic104.nipic.com/file/20160715/6171480_185807154956_2.jpg",
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      "http://www.pptbz.com/pptpic/UploadFiles_6909/201203/2012031220134655.jpg"]
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      for i in urls:
     
    
   

    

     

    
    

     

       start=time.time()
     
    
   

    

     

    
    

     

       file = requests.get(i)
     
    
   

    

     

    
    

     

       img = cv2.imdecode(np.fromstring(file.content, np.uint8), 1) #file.content 是读取的远程文件的字节流
     
    
   

    

     

    
    

     

       print('time',time.time()-start)
     
    
  
 

时间：

time 0.4249999523162842
time 0.546999454498291
time 0.5099942684173584
time 0.3579742908477783

  

   

    

     

    
    

     

      #include <Windows.h>
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      #include <tchar.h>
     
    
   

    

     

    
    

     

      #include <iostream>
     
    
   

    

     

    
    

     

      #include <urlmon.h>
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      #pragma comment(lib
     
    
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/88761116