web编程速度大比拼（nodejsgopython）（非专业对比）

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C10K问题的解决，涌现出一大批新框架，或者新语言，那么问题来了:到底谁最快呢？非专业程序猿来个非专业对比。

比较程序：输出Hello World！

测试程序：siege –c 100 –r 100 –b

例子包括：

1.go用http模块实现的helloworld

2.go用martini微框架实现的Helloworld

3.python3 python2 pypy分别用gevent server tornado实现的Hello world

4.python3 python2 pypy分别用微框架bottle+gevent实现的Hello world

5.NodeJS纯JS实现的Helloworld

6.NodeJS用express框架实现的Helloworld

测试平台：

公司老旧的奔腾平台 Pentium(R) Dual-Core CPU E6700 @ 3.20GHz

内存2GB（够弱了吧）

先来宇宙最快的GO的测试：

  1 package main
  2 
  3 import (
  4         "fmt"
  5         "net/http"
  6 )
  7 
  8 func sayhelloName(w http.ResponseWriter, r *http.Request){
  9         fmt.Fprintf(w, "hello world!")
 10 }
 11 
 12 func main() {
 13         http.HandleFunc("/", sayhelloName)
 14         http.ListenAndServe(":9090", nil)
 15 }

连续测试5次，成绩大体如下：

  1 Transactions:                  10000 hits
  2 Availability:                 100.00 %
  3 Elapsed time:                   4.11 secs
  4 Data transferred:               0.11 MB
  5 Response time:                  0.03 secs
  6 Transaction rate:            2433.09 trans/sec
  7 Throughput:                     0.03 MB/sec
  8 Concurrency:                   79.76
  9 Successful transactions:       10000
 10 Failed transactions:               0
 11 Longest transaction:            0.20
 12 Shortest transaction:           0.00

4.11秒，不错的成绩

再看NodeJS的例子：

  1 var http = require("http");
  2 http.createServer(function(request, response) {
  3     response.writeHead(200, {"Content-Type": "text/plain"});
  4     response.write("Hello World!");
  5     response.end();
  6 }).listen(8000);
  7 console.log("nodejs start listen 8888 port!");
  8

测试结果如下：

  1 Transactions:                  10000 hits
  2 Availability:                 100.00 %
  3 Elapsed time:                   5.00 secs
  4 Data transferred:               0.11 MB
  5 Response time:                  0.04 secs
  6 Transaction rate:            2000.00 trans/sec
  7 Throughput:                     0.02 MB/sec
  8 Concurrency:                   86.84
  9 Successful transactions:       10000
 10 Failed transactions:               0
 11 Longest transaction:            0.17
 12 Shortest transaction:           0.00

5秒，比Go稍微慢一点

接下来是Python，由于python自带的wsgiref服务器，只是一个参考实现，性能很差，所以这里选用了两个性能不错的WSGI服务器gevent、tornado

gevent代码如下：

  1 #!/usr/bin/python
  2 from gevent import pywsgi
  3 
  4 def hello_world(env, start_response):
  5     if env['PATH_INFO'] == '/':
  6         start_response('200 OK', [('Content-Type', 'text/html')])
  7         return ["hello world"]
  8 
  9 print 'Serving on https://127.0.0.1:8000'
 10 server = pywsgi.WSGIServer(('0.0.0.0', 8000), hello_world )
 11 server.serve_forever()
 12

tornado的代码如下：

  1 from tornado import httpserver
  2 from tornado import ioloop
  3 def handle_request(request):
  4     if request.uri=='/':
  5         message = b"Hello World!"
  6         request.write(b"HTTP/1.1 200 OK\r\nContent-Length: %d\r\n\r\n%s" % (
  7                  len(message), message))
  8         request.finish()
  9 
 10 http_server = httpserver.HTTPServer(handle_request)
 11 http_server.bind(8888)
 12 http_server.start()
 13 ioloop.IOLoop.instance().start()
 14

由于python的例子要分别在python2 python3 pypy下跑，结果太多，我这里只给结果：

gevent：

python2：5.8秒，python3：7.5秒，pypy：4.8秒

有意思的是：pypy第一次跑用了6.8秒，第二次以后全是4.8秒（感觉原因是第一次由于jit浪费了一点时间）贴出某次pypy的成绩：

  1 Transactions:                  10000 hits
  2 Availability:                 100.00 %
  3 Elapsed time:                   4.77 secs
  4 Data transferred:               0.10 MB
  5 Response time:                  0.04 secs
  6 Transaction rate:            2096.44 trans/sec
  7 Throughput:                     0.02 MB/sec
  8 Concurrency:                   90.38
  9 Successful transactions:       10000
 10 Failed transactions:               0
 11 Longest transaction:            0.13
 12 Shortest transaction:           0.00
 13

接下来是tornado：

python2：9.05秒，python3：8.6秒，pypy：5.95秒

同样：pypy第一次执行的时间为9.45秒，以后的每次只执行时间为5.9秒多一些

可以看出，pypy 与go nodejs性能相当，其中go最快为4.11秒，pypy+gevent与nodejs性能差不多，pypy稍好一点，pypy+tornado则稍慢于nodejs。

2。框架篇：

从上边例子可以看到，纯代码写起来还是比较麻烦的，一般我们都是用框架来写web，我选了几个轻量级的框架来输出helloworld：

go+martini

  1 package main
  2 
  3 import "github.com/codegangsta/martini"
  4 
  5 func main() {
  6   m := martini.Classic()
  7   m.Get("/", func() string {
  8     return "Hello world!"
  9   })
 10   m.Run()
 11 }
 12

运行时间为：

  1 Transactions:                  10000 hits
  2 Availability:                 100.00 %
  3 Elapsed time:                   4.69 secs
  4 Data transferred:               0.11 MB
  5 Response time:                  0.04 secs
  6 Transaction rate:            2132.20 trans/sec
  7 Throughput:                     0.02 MB/sec
  8 Concurrency:                   90.23
  9 Successful transactions:       10000
 10 Failed transactions:               0
 11 Longest transaction:            0.17
 12 Shortest transaction:           0.00
 13

nodejs+express：

  1 var express = require('express')
  2 var app = express()
  3  
  4 app.get('/', function (req, res) {
  5   res.send('Hello World')
  6 })
  7  
  8 app.listen(3000)

用时：

  1 Transactions:                  10000 hits
  2 Availability:                 100.00 %
  3 Elapsed time:                   5.90 secs
  4 Data transferred:               0.10 MB
  5 Response time:                  0.06 secs
  6 Transaction rate:            1694.92 trans/sec
  7 Throughput:                     0.02 MB/sec
  8 Concurrency:                   96.44
  9 Successful transactions:       10000
 10 Failed transactions:               0
 11 Longest transaction:            0.13
 12 Shortest transaction:           0.01
 13

python gevent+bottle：

  1 from gevent import monkey
  2 monkey.patch_all()
  3 from bottle import run,get
  4 
  5 @get("/")
  6 def index():
  7     return "Hello world!"
  8 
  9 run(server='gevent')
 10

用时：python2 10.05秒，python3：12.95秒，pypy：5.85秒

python tornado：

  1 import tornado.httpserver
  2 import tornado.ioloop
  3 import tornado.web
  4 
  5 class IndexHandler(tornado.web.RequestHandler):
  6     def get(self):
  7         self.write('Hello World!')
  8 
  9 if __name__ == "__main__":
 10     app = tornado.web.Application(handlers=[(r"/",IndexHandler)])
 11     http_server = tornado.httpserver.HTTPServer(app)
 12     http_server.listen(8000)
 13     tornado.ioloop.IOLoop.instance().start()
 14