1 var fs = require('fs'), 2 Parser = require('./jsonparse'); 3 4 5 var json = fs.readFileSync("samplejson/basic.json"); 6 7 8 while (true) { 9 var start = Date.now(); 10 for (var i = 0; i < 1000; i++) { 11 JSON.parse(json); 12 } 13 var first = Date.now() - start; 14 15 start = Date.now(); 16 var p = new Parser(); 17 for (var i = 0; i < 1000; i++) { 18 p.write(json); 19 } 20 var second = Date.now() - start; 21 22 23 console.log("JSON.parse took %s", first); 24 console.log("streaming parser took %s", second); 25 console.log("streaming is %s times slower", second / first); 26 } 27