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

Latest run results:

No previous run results

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

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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.

Related benchmarks:

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

Comparing performance of: sortBy + reverse vs orderBy

Created: 6 years ago by: Guest

Jump to the latest result

sortBy + reverse

orderBy

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):