Benchmark: Split Method vs Lodash (v4.17.21)

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

const characters = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz1234567890';

const randomArr = [];
for (let l = 0; randomArr.length < 500; l++) {
    randomArr.push(
        Array.from({
                length: Math.floor(Math.random() * (16 - 2) + 2)
            },
            (val, key) => characters[Math.floor(Math.random() * characters.length)],
        ).join('')
    );
}
var str = randomArr.join(',');

Tests:

Split Method
str.split(',');
Lodash ToArray
_.toArray(str);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Split Method
Lodash ToArray

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 24 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what's being tested.

**Benchmark Overview**

The benchmark, "Split Method vs Lodash (v4.17.21)", compares the performance of two approaches to split a large string into an array: using the built-in `split` method versus the `_.toArray` function from the Lodash library.

**Options Being Compared**

1. **Built-in `split` method**: This is the approach being tested by the first test case, "Split Method". The `split` method splits a string into an array of substrings based on a specified separator (in this case, a comma).
2. **Lodash _.toArray** function: This is the approach being tested by the second test case, "Lodash ToArray". The `_.toArray` function converts an object or a collection to an array.

**Pros and Cons**

**Built-in `split` method**

Pros:

* Fast and lightweight
* Native implementation, unlikely to introduce additional overhead
* Widely supported across browsers

Cons:

* Can be slow for large inputs due to the creation of intermediate arrays
* May not perform well with complex separators or edge cases

**Lodash _.toArray function**

Pros:

* High-performance implementation optimized for large inputs
* Supports advanced features like `toString` and `filter`
* Easy to use and readable code

Cons:

* Introduces additional overhead due to the external library
* Requires an extra download (the Lodash library)
* May not work in environments without the Lodash library installed

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like array manipulation, string formatting, and object transformation. The `_.toArray` function is part of this library and converts an object or collection to an array.

**Special JS Feature/ Syntax**

None mentioned in the provided JSON.

**Other Alternatives**

If you need alternative approaches to split a large string into an array, consider:

* Using a regex-based approach with `String.prototype.matchAll()`
* Utilizing Web Workers for parallel processing
* Leveraging modern JavaScript features like `Array.from()` and `map()`

These alternatives may offer different trade-offs in terms of performance, readability, and complexity.

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser/OS: Chrome 124 on Windows

View result in a separate tab

Test name	Executions per second
Split Method	61608.8 Ops/sec
Lodash ToArray	258295.1 Ops/sec

Related benchmarks:

Split Method vs Lodash (v4.17.21) (version: 0)

Inspired by: https://stackoverflow.com/questions/58702513/lodash-clone-array-vs-spread-operator#

Comparing performance of: Split Method vs Lodash ToArray

Created: one year ago by: Guest

Jump to the latest result

Split Method

Lodash ToArray

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 24 days ago):