Benchmark: Unique Array: Lodash or spread new Set

HTML Preparation code:

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

Script Preparation code:

var testArr = "JRQ, SCTS, KKC, KKC, KKC, RGC, PDA, PDA, RGC, KKC, PDA, PDA, PDA, SCTS, KKC, DAH, JRM, JRM, RGC, RGC, DAMB, DAMB, KKC, SCTS, RGC, PAC, KKC, KKC, SCTS, SCTS, SCTS, SCTS, KKC, KKC, MIDK, MIDK, KKC, RGC, CHTS, CHTS, CHTS, CHTS, JRQ, JRQ, SCTS, DAH, DAH, AEWC, DQQL, PAC, DQQL, DQQL, AEWC, KIS, AEWC, DQQL, AEWC, PAC, RHN, RHN, KIS, KIS, RHN, RHN, RHN, KIS, KIS, KIS, KIS, KIS, JRQ, RGC, SCTS, RGC, SCTS, KKC, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, SCTS, DGJ, DGJ, RGC, KKC, KKC, MIDK, MIDK, RGC, KKC, RGC, RGC, RGC, RGC, DGJ, DGJ, PDA, RGC, JRQ, PDA, SCTS, RGC, RGC, SCTS, DXJM, JRQ, PDA, PDA, PDA, SCTS, DAH, DAH, RGC, RGC,".split(', ');

Tests:

Array from Set
[...new Set(testArr)]
Lodash Uniq
_.uniq(testArr)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array from Set
Lodash Uniq

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

Let's dive into the provided benchmark definition and explore what's being tested, the options being compared, their pros and cons, and other considerations.

**What is being tested?**

MeasureThat.net provides a microbenchmarking platform to compare the performance of different approaches to achieve the same result. In this case, we have two individual test cases:

1. **"Array from Set"**: This test creates an array by converting a set created from a predefined string `testArr` using the `new Set()` constructor.
2. **"Lodash Uniq"**: This test uses the `_uniq()` function from the Lodash library to achieve the same result as the first test case.

**Options being compared**

The two options being compared are:

1. **Native JavaScript implementation** (`new Set()`)
2. **Lodash library implementation** (`_.uniq()`)

**Pros and Cons of each option:**

**Native JavaScript implementation (`new Set()`)**

Pros:

* Built-in to JavaScript, so no additional dependencies needed
* Fast execution since it leverages the optimized native `Set` implementation

Cons:

* May not be as efficient or readable for complex use cases due to its functional programming nature

**Lodash library implementation (`_.uniq()`)**

Pros:

* Widely used and well-maintained library with extensive documentation and community support
* Provides a more familiar and expressive API for developers accustomed to functional programming

Cons:

* Requires an additional dependency (Lodash) which may increase bundle size or page load times
* May have slower execution compared to the native JavaScript implementation, although performance differences are often negligible

**Other considerations:**

* The `testArr` string contains a mix of duplicate and unique elements, ensuring that both test cases will produce identical results.
* Both tests assume that the input data is already in a suitable format for comparison (e.g., no sorting or ordering required).
* The benchmarking framework measures execution performance over time (in seconds), so it's essential to consider factors like cache behavior, caching mechanisms, and other optimization techniques.

**Alternative approaches:**

Other alternatives could include:

* Using the `Array.from()` method with an object as the second argument
* Implementing a custom set data structure or algorithm
* Employing caching or memoization to optimize performance

Keep in mind that these alternatives might not necessarily provide significant performance improvements over the existing benchmark results.

**Additional context:**

The provided JSON also mentions the `Html Preparation Code`, which loads the Lodash library using a CDN. This suggests that developers may be interested in exploring other libraries or frameworks for similar functionality, such as `_uniq()`.

I hope this explanation helps you understand what's being tested and compared in the provided benchmark!

Related benchmarks:

Unique Array: Lodash or spread new Set (version: 0)

Comparing performance of: Array from Set vs Lodash Uniq

Created: 5 years ago by: Guest

Jump to the latest result

Array from Set

Lodash Uniq

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):