colyseus-patch-benchmark.ts

import { toJSON } from "../../src/Utils";

const suite = new Benchmark.Suite();

const NUM_CLIENTS = 2;
const NUM_MONSTERS = 500;
const MAP_GRID_SIZE = 200;

// build 200x200 map
const map = [];
for (var i=0; i<MAP_GRID_SIZE; i++) {
  map[i] = [];
  for (var j=0; j<MAP_GRID_SIZE; j++) {
    map[i].push( (Math.random() > 0.5) ? 0 : 1 );
  }
}

// build 500 monsters
let monsters = {};
for (let i=0; i<NUM_MONSTERS; i++) {
  monsters[ generateId() ] = {
    x: Math.round(Math.random() * 200),
    y: Math.round(Math.random() * 200)
  };
}

// build 10 players
let players = {};
for (let i=0; i<NUM_CLIENTS; i++) {
  players[ generateId() ] = {
    x: Math.round(Math.random() * 200),
    y: Math.round(Math.random() * 200)
  };
}

function moveMonsters () {
  for (let id in monsters) {
    monsters[ id ].x += (Math.random() > 0.5) ? 1 : -1;
    monsters[ id ].y += (Math.random() > 0.5) ? 1 : -1;
  }
}

function movePlayers () {
  for (let id in players) {
    players[ id ].x += (Math.random() > 0.5) ? 1 : -1;
    players[ id ].y += (Math.random() > 0.5) ? 1 : -1;
  }
}

let state = { map, monsters, players };

suite.add('toJSON', () => toJSON(state));
suite.on('cycle', e => console.log( e.target.toString() ));
suite.run();

console.log("Done.")
process.exit();

results.txt

toJSON x 13.63 ops/sec ±6.76% (35 runs sampled)