MikaelSoderstrom

var path = require('path');
var Nightmare = require('nightmare');
var should = require('chai').should();

describe('Nightmare demo', function () {
    this.timeout(15000); // Set timeout to 15 seconds, instead of the original 2 seconds

    var url = 'http://localhost:3000';

    describe('Start page', function () {

pascalpoitras

Mouse

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enable

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hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs