Benchmark: luxon vs datefns adding

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@1.26.0/build/global/luxon.min.js"></script>
<script src="https://igor.moomers.org/random/datefns.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/dayjs/1.11.7/dayjs.min.js'></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";
var dateFnsTime = window.datefns.parseISO(window.ds);
var luxonTime = luxon.DateTime.fromISO(ds);

Tests:

datefns
window.datefns.addMinutes(dateFnsTime, 33);
luxon
luxonTime.plus({minutes: 33})

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
datefns
luxon

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser/OS: Chrome 132 on Linux

View result in a separate tab

datefns

8.0M/s

luxon

325K/s

View exact numbers

Test name	Executions per second
✓ datefns	7,960,512 Ops/sec
luxon	325,162 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its components.

**Benchmark Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The benchmark in question compares the performance of two libraries: Luxon and Datefns, specifically their `addMinutes` functions when adding 33 minutes to a given date string.

**Library Descriptions**

1. **Luxon**: Luxon is a modern JavaScript date library that provides a more intuitive and efficient way of working with dates compared to traditional libraries like Moment.js or Day.js. It's designed for performance, ease of use, and extensibility.
2. **Datefns**: Datefns is another popular JavaScript date library that offers a wide range of date manipulation functions, including parsing and formatting dates. It's known for its simplicity and flexibility.

**Benchmark Test Cases**

The benchmark consists of two test cases:

1. **Datefns**: The first test case measures the performance of Datefns' `addMinutes` function when adding 33 minutes to a given date string.
	* Pros: Simple and straightforward implementation, likely optimized for performance.
	* Cons: May not be as efficient as Luxon's implementation due to its less optimized codebase.
2. **Luxon**: The second test case measures the performance of Luxon's `plus` function when adding 33 minutes to a given date string.
	* Pros: Optimized for performance and extensibility, using a more modern approach than traditional libraries.
	* Cons: May be less familiar to developers without prior experience with Luxon.

**Special JS Features/Syntax**

In this benchmark, the following special JavaScript features/syntax are used:

* **Arrow functions**: Used in the test case definitions for clarity and conciseness.
* **Template literals**: Used in the `Script Preparation Code` section to concatenate strings.
* **Global variables**: Used in the `Script Preparation Code` section to access external libraries (Luxon and Datefns).

**Other Alternatives**

If you're interested in exploring alternative date libraries for JavaScript, here are a few options:

1. **Moment.js**: A widely used library for working with dates and times, known for its extensive feature set but also for being relatively slow.
2. **Day.js**: Another popular library for working with dates and times, offering a modern approach and good performance.
3. **js-joda**: A lightweight Java-based date library that has been ported to JavaScript, providing a robust and efficient way of working with dates.

Keep in mind that the choice of library ultimately depends on your project's specific requirements, personal preferences, and the trade-offs you're willing to make between features, performance, and simplicity.

luxon vs datefns adding (version: 0)

Comparing performance of: `datefns vs luxon`

Created: 2 years ago by: Guest

Go to the latest result

datefns

luxon

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

luxon vs datefns adding (version: 0)

Comparing performance of: datefns vs luxon

Created: 2 years ago by: Guest

Go to the latest result

datefns

luxon

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

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Comparing performance of: `datefns vs luxon`