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websocket_bencmark.md

Crystal vs Node.js Websocket Benchmark

Crystal 0.9.1 with Kemal

require "kemal"

ws "/" do |socket|
  socket.on_message do |message|
  end
end

Node.js v4.2.1 with ws

var WebSocketServer = require('ws').Server
  , wss = new WebSocketServer({ port: 3000 });

wss.on('connection', function connection(ws) {
  ws.on('message', function incoming(message) {
  });

});

Thor is used to run the benchmark.

thor -A 10000 http://localhost:3000

Platform CPU Usage Memory Usage
Crystal (Kemal) 1.85 11.2 MB
Node.js (ws) 38.95 906.3 MB

This benchmark was performed on a 2013 Late Macbook Pro with 2Ghz i7 and 8G ram.

P.S: Less is better

ghost commented Apr 18, 2016

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Holy shit lol

@Nephos

Nephos commented May 13, 2016

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I love this lang ❤️

@nemoDreamer

nemoDreamer commented Jul 14, 2016

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!!!

@Nicolab

Nicolab commented Aug 28, 2018

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The result will be more representative with uws package, ws is slow.

@proyb6

proyb6 commented Jan 25, 2019 •
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The result will be more representative with uws package, ws is slow.

Sadly the uws author deprecated his repo for some reason.
https://www.reddit.com/r/node/comments/91kgte/uws_has_been_deprecated/

ClusterWS is quite new.

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