Benchmark: (sortBy + reverse) vs orderBy desc

HTML Preparation code:

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

Script Preparation code:

var arr= [{"idChat":2089,"_id":"c87e5f39-c282-4927-9b47-646a4e787c9c","id":"4515","system":false,"text":"2","image":null,"remoteFile":null,"createdAt":"2019-07-20T02:25:00.779Z","dateSent":"2019-07-20T02:25:01.590Z","dateReceived":"19/07/2019 23:25:02","uploaded":false,"audio":null,"duration":null,"fileType":null,"user":{"_id":3,"name":"Dr. João Roberto","avatar":"","priorityColor":"#FFBE27"}},{"idChat":2089,"_id":"4515","id":"4515","system":false,"text":"2","image":null,"remoteFile":null,"createdAt":"2019-07-20T02:25:00.779Z","dateSent":"2019-07-20T02:25:01.590Z","dateReceived":"19/07/2019 23:40:48","uploaded":true,"audio":null,"duration":0,"fileType":"text/plain","user":{"_id":3,"name":"Dr. João Roberto","avatar":"","priorityColor":"#FFBE27"}},{"idChat":2089,"_id":"4514","id":"4514","system":false,"text":"1","image":null,"remoteFile":null,"createdAt":"2019-07-20T02:24:28.730Z","dateSent":"2019-07-20T02:24:30.565Z","dateReceived":null,"uploaded":true,"audio":null,"duration":0,"fileType":"text/plain","user":{"_id":131,"name":"222","avatar":"","priorityColor":"#FFBE27"}}]

Tests:

sortBy + reverse
_.sortBy(arr, 'createdAt').reverse()
orderBy
_.orderBy(arr, 'createdAt', 'desc')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
sortBy + reverse
orderBy

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definitions and explain what's being tested, the options compared, pros and cons of those approaches, and other considerations.

**Benchmark Definition JSON**

The provided JSON defines two benchmark tests: "sortBy + reverse" and "orderBy desc". The test names are descriptive, indicating which approach is being tested.

**Options Compared**

The two benchmarks compare the performance of two different methods to sort an array:

1. `_.sortBy(arr, 'createdAt').reverse()` (using Lodash's `sortBy` function with a callback function to reverse the sorted array)
2. `_._orderBy(arr, 'createdAt', 'desc')` (using Lodash's `orderBy` function with the `asc` option set to `false` or omitted)

**Pros and Cons of Each Approach**

1. **_.sortBy + _.reverse()**
	* Pros:
		+ Can be used when you need more control over the sorting process.
		+ Allows for chaining multiple operations on the sorted array.
	* Cons:
		+ Requires creating a temporary reversed copy of the sorted array, which can lead to increased memory usage.
2. **_.orderBy()**
	* Pros:
		+ More concise and efficient than using `sortBy` and `reverse`.
		+ Can handle large datasets without significant performance impact.
	* Cons:
		+ Limited control over the sorting process, as it relies on Lodash's internal implementation.

**Other Considerations**

Both benchmarks rely on Lodash, a popular utility library for JavaScript. The `_.sortBy()` function uses a stable sort algorithm (usually Timsort) to sort the array, while `_.orderBy()` uses a more efficient and optimized sorting algorithm internally.

**Library: Lodash**

Lodash is a widely-used utility library that provides a comprehensive set of functions for tasks such as:

* Array manipulation
* String manipulation
* Object manipulation
* Function composition
* Higher-order functions

In this benchmark, Lodash's `sortBy()` and `orderBy()` functions are used to sort the array based on a specific property (`'createdAt'`).

**Special JS Feature or Syntax**

This benchmark does not explicitly use any special JavaScript features or syntax. However, it relies on functional programming concepts, such as higher-order functions (e.g., `_.sortBy()`) and immutable data structures.

**Alternative Implementations**

If you're interested in exploring alternative implementations, here are a few options:

1. **Vanilla JavaScript**: You could write a custom sorting function using the built-in `Array.prototype.sort()` method.
2. **Other libraries**: There are other utility libraries available that provide similar functionality to Lodash, such as Underscore.js or Moment.js.
3. **Native browser APIs**: Some modern browsers have native APIs for array manipulation and sorting, which can be used instead of a library like Lodash.

Keep in mind that each alternative implementation may have its own pros and cons, trade-offs, and performance characteristics.

Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15

Browser/OS: Safari 12 on Mac OS X 10.14.6

View result in a separate tab

Test name	Executions per second
sortBy + reverse	182330.0 Ops/sec
orderBy	273239.8 Ops/sec

Related benchmarks:

(sortBy + reverse) vs orderBy desc (version: 0)

Comparing performance of: sortBy + reverse vs orderBy

Created: 5 years ago by: Guest

Jump to the latest result

sortBy + reverse

orderBy

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):