Run results for: React Hooks vs. Inline, useMemo, memo 3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser: Chrome 122

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
Inline Function	415913.5 Ops/sec
Hooks	514671.5 Ops/sec
Without useMemo	264508.4 Ops/sec
With useMemo	512767.3 Ops/sec
Child without memo	290595.8 Ops/sec
Child with memo	314925.8 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 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!')
}

function ComponentWithoutUseMemo() {
    const obj = {
        x: 1,
        y: 1
    }
    return React.createElement('h1', {
        data: obj
    }, 'ComponentWithoutUseMemo')
}

function ComponentWithUseMemo() {
    const obj = React.useMemo(() => ({
        x: 1,
        y: 1
    }), [])
    return React.createElement('h1', {
        data: obj
    }, 'ComponentWithUseMemo')
}

const ChildWithoutMemo = () => {
    return React.createElement('div', null, null)
}

const ChildWithMemo = React.memo(ChildWithoutMemo)

function ComponentWithoutMemorizedChild() {
    const [count, setCount] = React.useState(0)
    React.useEffect(() => {
        if (count < 10000) {
            setCount(c => c + 1)
        }
    })
    return React.createElement(ChildWithoutMemo, null, null)
}

function ComponentWithMemorizedChild() {
    const [count, setCount] = React.useState(0)
    React.useEffect(() => {
        if (count < 10000) {
            setCount(c => c + 1)
        }
    })
    return React.createElement(ChildWithMemo, null, null)
}

Tests:

Inline Function
ReactDOM.render(React.createElement(ComponentWithInlineFunction), document.getElementById('root'))
Hooks
ReactDOM.render(React.createElement(ComponentWithUseCallback), document.getElementById('root'))
Without useMemo
ReactDOM.render(React.createElement(ComponentWithoutUseMemo), document.getElementById('root'))
With useMemo
ReactDOM.render(React.createElement(ComponentWithUseMemo), document.getElementById('root'))
Child without memo
ReactDOM.render(React.createElement(ComponentWithoutMemorizedChild), document.getElementById('root'))
Child with memo
ReactDOM.render(React.createElement(ComponentWithMemorizedChild), document.getElementById('root'))

Run results for: React Hooks vs. Inline, useMemo, memo 3

Inline Function

Hooks

Without useMemo

With useMemo

Child without memo

Child with memo