<!DOCTYPE html>
<html>
<head>
  <script type="text/javascript" src="../resources/runner.js"></script>
  <script type="text/javascript" src="./v1-common.js"></script>
</head>
<body>
<div id="parent"></div>

<script>
const hostChildren = 100;
const loop = 10;

let host;

PerfTestRunner.measureTime({
  description: `Measure layout (${hostChildren} shallow host children)`,
  setup: () => {
    host = createHostTree(hostChildren);
    document.querySelector('#parent').appendChild(host);
  },
  run: () => {
    r