MeasureThat.net

Run results for: With or without useMemo

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Without useMemo 792194.3 Ops/sec
With useMemo 927375.6 Ops/sec
HTML Preparation code:
AخA
 
1
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.13.1/umd/react.production.min.js"></script>
2
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.13.1/umd/react-dom.production.min.js"></script>
3
<div id="root"></div>
Script Preparation code:
​x
 
function ComponentWithInlineFunction() {
    const clickMe = () => {};
    return React.createElement('button', {
        onClick: clickMe
    }, 'Click me!');
}
​
function ComponentWithUseCallback() {
    const clickMe = React.useCallback(() => {}, []);
    return React.createElement('button', {
        onClick: clickMe
    }, 'Click me!');
}
Tests:

  • Without useMemo

     
    ReactDOM.render(React.createElement(ComponentWithInlineFunction), document.getElementById('root'))

  • With useMemo

     
    ReactDOM.render(React.createElement(ComponentWithUseCallback), document.getElementById('root'))