fedher

import ec2 = require('@aws-cdk/aws-ec2');
import cdk = require('@aws-cdk/core');

import { Fn, Tag, Resource } from '@aws-cdk/core';
import { AmazonLinuxImage, UserData, InstanceType } from '@aws-cdk/aws-ec2';
import { Role, ServicePrincipal, ManagedPolicy, CfnInstanceProfile } from '@aws-cdk/aws-iam'

/**
 * Create my own Ec2 resource and Ec2 props as these are not yet defined in CDK
 * These classes abstract low level details from CloudFormation

fedher

Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD