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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

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//
//  CGGeometry+Additions.swift
//  TokenField
//
//  Created by Cody Robertson on 2/4/16.
//  Copyright © 2016 Notion AI, Inc. All rights reserved.
//

import Foundation
import UIKit

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#!/bin/bash

set -e
trap "exit;" SIGINT SIGTERM

ALIAS=mxcl
VERSION="3.0.0-${ALIAS}+$(date +%Y%m%d)"
SRCROOT="$HOME/src"
TOOLCHAIN_NAME="swift-${VERSION}.xctoolchain"
TOOLCHAIN_PREFIX="${SRCROOT}/build/${TOOLCHAIN_NAME}"

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#!/bin/sh

# Simple iOS build script
# Written by Aron Bury, 29/11/2011

appname="AwesomeApp"
target_name="$appname"
sdk="iphoneos"
certificate="iPhone Developer: Joe Blogs"