Benchmark: aadasdsa - MeasureThat.net

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.core.js"></script>

Script Preparation code:

var users = [...Array(1000).keys()].map(e => ({ 'user': 'joey',  'age': e }));

Tests:

native find
users.find(function (o) { return o.age === 500; })
lodash
_.find(users, function (o) { return o.age === 500; })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
native find
lodash

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark test cases for you.

**Benchmark Definition JSON**

The benchmark definition represents a JavaScript microbenchmark. It consists of two parts:

1. **Script Preparation Code**: This is a snippet of code that prepares the environment for the benchmark. In this case, it creates an array of 1000 objects with a `user` and `age` property.
2. **Html Preparation Code**: This is a script tag that includes a CDN link to the Lodash library (version 4.17.11). Lodash is a popular utility library for JavaScript that provides a collection of functions for common tasks, such as array manipulation, string templating, and functional programming.

**Individual Test Cases**

The benchmark consists of two test cases:

1. **Native Find**: This test case uses the native `find` method of arrays in JavaScript to search for an object with a specific property value (`age === 500`). The `find` method returns the first element that satisfies the callback function.
2. **Lodash**: This test case uses the `_.find` function from the Lodash library to achieve the same result as the native `find` method. `_`.find is a higher-order function that takes an array and a callback function as arguments, and returns the first element that matches the condition specified in the callback.

**Options Compared**

The two test cases are comparing the performance of:

* Using the native JavaScript `find` method
* Using the Lodash library's `_.find` function

**Pros and Cons of Each Approach**

1. **Native Find**:
	* Pros:
		+ No additional dependencies or overhead (native JavaScript)
		+ Can be optimized by browsers for performance
	* Cons:
		+ May not provide a consistent result across different browsers or versions
		+ Requires manual implementation of the callback function
2. **Lodash**:
	* Pros:
		+ Provides a standardized and documented API for array manipulation
		+ Can be used in conjunction with other Lodash functions to create more complex operations
	* Cons:
		+ Adds an additional dependency (the Lodash library) that may slow down the benchmark
		+ May incur overhead due to the function call and argument passing

**Library Usage: Lodash**

Lodash is a utility library that provides a collection of functions for common tasks, such as array manipulation, string templating, and functional programming. The `_`.find` function is a part of the Lodash library, which allows you to search for an element in an array using a callback function.

**Other Considerations**

* Performance: Both test cases should be optimized for performance, with minimal overhead from functions calls, loop iterations, or other operations.
* Consistency: The benchmark should strive to provide consistent results across different browsers and versions. This can be achieved by using standardized JavaScript features and libraries whenever possible.
* Complexity: The benchmark should aim to simplify the code as much as possible while still conveying meaningful information about performance.

**Alternatives**

Other alternatives for searching an array in JavaScript include:

* `Array.prototype.some()` or `Array.prototype.every()`: These methods can be used to search for elements that satisfy a condition, but may not provide a consistent result across different browsers.
* `Array.prototype.indexOf()` or `Array.prototype.lastIndexOf()`: These methods can be used to find the index of an element in the array, but may not provide a fast or efficient way to search for all occurrences.

Note that these alternatives are generally less efficient than using native JavaScript `find` or Lodash's `_`.find` function.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0

Browser/OS: Firefox 86 on Ubuntu

View result in a separate tab

Test name	Executions per second
native find	351593.6 Ops/sec
lodash	268209.8 Ops/sec

Related benchmarks:

aadasdsa (version: 0)

a

Comparing performance of: native find vs lodash

Created: 3 years ago by: Guest

Jump to the latest result

native find

lodash

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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