Benchmark: MemoTest - MeasureThat.net

HTML Preparation code:

<div id="root"></div>

<script src="https://unpkg.com/react@18.2.0/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@18.2.0/umd/react-dom.development.js"></script>
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.15/lodash.min.js"></script>

Script Preparation code:

function ChildComponent(props) {
  return React.createElement("div", props);
}

const OptimizedChildComponent = React.memo(ChildComponent);


function UseMemoAndOptimizedChild(props) {
  const result = React.useMemo(() => {
      return props.handler(props.voices, props.tabIndex);
  }, [props.handler, props.voices,props.tabIndex]);
  return React.createElement(OptimizedChildComponent, {},result);
}

function UseMemoAlone(props) {
  const result = React.useMemo(() => {
      return props.handler(props.voices, props.tabIndex);
  }, [props.handler, props.voices,props.tabIndex]);
  return React.createElement(ChildComponent, {},result );
}

function NoMemo(props) {
  const result = props.handler(props.voices, props.tabIndex);
  return React.createElement(ChildComponent, {},result);
}

function getTextFallback(voices,tabIndex) {  
 const voicesArr = voices.split(',');
 return voicesArr[tabIndex] || voicesArr?.[0] 
}

var propCases = [{
  handler: getTextFallback,
  voices: 'foo',
  tabIndex: 0
}, {
  handler: getTextFallback,
  voices: 'foo,bar,tar',
  tabIndex: 2
}, {
  handler: getTextFallback,
  voices: 'foo,bar,tar',
  tabIndex: 1
}];

Tests:

NoMemo
propCases.forEach((props) => { ReactDOM.render(React.createElement(NoMemo, props, null), root); });
UseMemoAndOptimizedChild
propCases.forEach((props) => { ReactDOM.render(React.createElement(UseMemoAndOptimizedChild, props, null), root); });
UseMemoAlone
propCases.forEach((props) => { ReactDOM.render(React.createElement(UseMemoAlone, props, null), root); });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
NoMemo
UseMemoAndOptimizedChild
UseMemoAlone

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's dive into the benchmark.

**Benchmark Definition**

The benchmark measures the performance of three different approaches to memoize (optimize) the execution of a React component: `NoMemo`, `UseMemoAlone`, and `UseMemoAndOptimizedChild`.

**What is being tested?**

* `NoMemo`: This approach does not use any optimization techniques, it simply calls the `handler` function with the provided arguments and returns the result.
* `UseMemoAlone`: This approach uses the `React.useMemo` hook to memoize the execution of the `handler` function. It only depends on the `props.handler`, `props.voices`, and `props.tabIndex`.
* `UseMemoAndOptimizedChild`: This approach is similar to `UseMemoAlone`, but it also uses `React.memo` to optimize the rendering of the component.

**Options compared**

The benchmark compares the performance of these three approaches, specifically:

* The number of executions per second (ExecutionsPerSecond) for each test case.
* The device platform, operating system, and browser information.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

* `NoMemo`:
	+ Pros: Simple to implement, no additional dependencies required.
	+ Cons: Does not use any optimization techniques, can lead to unnecessary computations.
* `UseMemoAlone`:
	+ Pros: Uses memoization to optimize execution, depends only on the necessary props.
	+ Cons: Requires using the `React.useMemo` hook, which may introduce additional overhead.
* `UseMemoAndOptimizedChild`:
	+ Pros: Combines the benefits of `UseMemoAlone` with optimized rendering, uses `React.memo` for further optimization.
	+ Cons: Requires more dependencies and setup compared to `UseMemoAlone`.

**Library usage**

The benchmark uses the following libraries:

* React (for rendering components)
* ReactDOM (for rendering React components to the DOM)
* Lodash (as a utility library)

**Special JavaScript feature or syntax**

This benchmark does not use any special JavaScript features or syntax. However, it relies on modern JavaScript features such as async/await and arrow functions.

**Other alternatives**

There are other optimization techniques that could be used in place of `React.useMemo` or `React.memo`, such as:

* Caching
* Code splitting
* Dynamic imports

However, these techniques would likely introduce additional complexity and may not provide significant performance benefits for this specific benchmark.

Related benchmarks:

MemoTest (version: 0)

Comparing performance of: NoMemo vs UseMemoAndOptimizedChild vs UseMemoAlone

Created: 3 years ago by: Guest

Jump to the latest result

NoMemo

UseMemoAndOptimizedChild

UseMemoAlone

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):