Run results for: Component re-renders 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Browser: Chrome 93

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Warmup	423105.0 Ops/sec
TestFunctionalComponent	337538.8 Ops/sec
TestMemoizedFunctionalComponent	335273.7 Ops/sec
TestClassComponent	321024.6 Ops/sec
TestClassPureComponent	316163.2 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.13.1/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.13.1/umd/react-dom.production.min.js"></script>
<div id="root"></div>

Script Preparation code:

function Warmup(props) {
  return React.createElement('button', {
  }, 'Click me!');
}

const FunctionalComponent = (props) => {
  return React.createElement('div')
}


class ClassComponent extends React.Component { 
  render() {
    return React.createElement('div')
  }
}

class ClassPureComponent extends React.PureComponent { 
  render() {
    return React.createElement('div')
  }
}

const MemoizedFunctionalComponent = React.memo(FunctionalComponent)

function TestFunctionalComponent () {
  return React.createElement(FunctionalComponent, { a: Math.random() })
}

function TestMemoizedFunctionalComponent () {
  return React.createElement(MemoizedFunctionalComponent, { a: Math.random() })
}

function TestClassComponent () {
  return React.createElement(ClassComponent, { a: Math.random() })
}

function TestClassPureComponent () {
  return React.createElement(ClassPureComponent, { a: Math.random() })
}

Tests:

Warmup
ReactDOM.render(React.createElement(Warmup), document.getElementById('root'))
TestFunctionalComponent
ReactDOM.render(React.createElement(TestFunctionalComponent), document.getElementById('root'))
TestMemoizedFunctionalComponent
ReactDOM.render(React.createElement(TestMemoizedFunctionalComponent), document.getElementById('root'))
TestClassComponent
ReactDOM.render(React.createElement(TestClassComponent), document.getElementById('root'))
TestClassPureComponent
ReactDOM.render(React.createElement(TestClassPureComponent), document.getElementById('root'))