Benchmark: zzzxzxzx - MeasureThat.net

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var test = Array.from({
    length: 100000
}, () => Math.random())

var split = (
    array,
    elementsInGroup
) => {
    const result = [];

    for (let i = 0; i < array.length; i += elementsInGroup) {
        result.push(array.slice(i, Math.min(i + elementsInGroup, array.length)));
    }
    return result;
};

Tests:

Native slice
test.slice(0,5000)
lodash chunk
_.chunk(test,5000)
Split
split(test, 5000)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native slice
lodash chunk
Split

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 world of JavaScript microbenchmarks on MeasureThat.net.

The provided JSON represents a benchmark test case, which consists of three individual tests: `Native slice`, `lodash chunk`, and `Split`. Each test has its own script preparation code and HTML preparation code.

**Script Preparation Code**

1. The first test case uses a custom function called `split` to split an array into groups of 5000 elements. This function takes two arguments: the input array and the number of elements in each group.
2. The second test case uses a popular JavaScript library called Lodash, which provides a utility function called `_chunk`. This function splits an array into chunks of a specified size.

**Library Usage**

1. In the first test case, the `split` function is used to split the array. As we'll see later, this is a custom implementation.
2. In the second test case, Lodash's `_chunk` function is used to split the array. This library provides various utility functions for common tasks, including array manipulation.

**JavaScript Features and Syntax**

There are no specific JavaScript features or syntax mentioned in the provided code snippets. However, it's worth noting that MeasureThat.net supports various JavaScript versions, including ES5, ES6, and later.

**Options Comparison**

The three test cases differ in how they split an array of 100,000 elements into groups of 5000 elements:

1. `Native slice`: This test case uses the built-in `slice` method to extract a subset of elements from the original array.
2. `lodash chunk`: This test case uses Lodash's `_chunk` function to split the array into chunks.
3. `Split`: This is the custom implementation provided in the script preparation code, which manually loops through the array and extracts groups of 5000 elements.

**Pros and Cons**

Here are some pros and cons for each approach:

1. **Native slice**:
	* Pros: Fast, simple, and widely supported.
	* Cons: May not be as efficient for very large arrays due to overhead from creating a new array.
2. **Lodash chunk**:
	* Pros: Robust implementation, easy to use, and well-tested.
	* Cons: Adds extra library dependencies and may have performance overhang due to overhead from loading the library.
3. **Split** (custom implementation):
	* Pros: Customizable, potentially more efficient for very large arrays, but requires manual maintenance.

**Other Considerations**

1. **Browser Support**: MeasureThat.net supports various browsers, including Chrome 86, which is used in this benchmark. However, browser support may vary depending on the specific JavaScript version and features used.
2. **Performance Overhead**: The custom `split` function (Test 3) might incur additional overhead due to manual array manipulation. Lodash's `_chunk` function, on the other hand, is optimized for performance.

**Alternatives**

If you're looking for alternatives to MeasureThat.net, some options include:

1. **Benchmark.js**: A popular benchmarking library for JavaScript that provides a simple API for writing and running benchmarks.
2. **Benchmarks.com**: Another platform for creating and sharing microbenchmarks, with support for various programming languages, including JavaScript.
3. **js-benchmark**: A lightweight, self-contained benchmarking tool for Node.js and browser-based environments.

Keep in mind that each alternative has its own strengths and weaknesses, and the choice ultimately depends on your specific needs and preferences.

Related benchmarks:

zzzxzxzx (version: 0)

Comparing performance of: Native slice vs lodash chunk vs Split

Created: 5 years ago by: Guest

Jump to the latest result

Native slice

lodash chunk

Split

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):