Thomas Ingalls thomasingalls

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

	import NextLink from 'next/link';
	import React from 'react';
	import { Text } from 'react-native-web';

	// https://github.com/zeit/next.js#with-link
	// Combines the Next.js <Link> with React Native's <Text> component.
	// Enables use like this:
	//
	// <Link
	// href={href}

	#!/usr/bin/env bash
	# https://developers.supportbee.com/blog/setting-up-cucumber-to-run-with-Chrome-on-Linux/
	# https://gist.github.com/curtismcmullan/7be1a8c1c841a9d8db2c
	# https://stackoverflow.com/questions/10792403/how-do-i-get-chrome-working-with-selenium-using-php-webdriver
	# https://stackoverflow.com/questions/26133486/how-to-specify-binary-path-for-remote-chromedriver-in-codeception
	# https://stackoverflow.com/questions/40262682/how-to-run-selenium-3-x-with-chrome-driver-through-terminal
	# https://askubuntu.com/questions/760085/how-do-you-install-google-chrome-on-ubuntu-16-04

	# Versions
	CHROME_DRIVER_VERSION=`curl -sS https://chromedriver.storage.googleapis.com/LATEST_RELEASE`

	/**
	* A mixin which helps you to add depth to elements according to the Google Material Design spec:
	* http://www.google.com/design/spec/layout/layout-principles.html#layout-principles-dimensionality
	*
	* Please note that the values given in the specification cannot be used as is. To create the same visual experience
	* the blur parameter has to be doubled.
	*
	* Author: Florian Kutschera (@gefangenimnetz), Conceptboard GmbH (@conceptboardapp)
	*
	* Example usage: