Benchmark: lodash uniq vs adasdas

HTML Preparation code:


<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Tests:

Set
var l = new Set([1, 2, 7, 7, 7, 7, 7, 3, 4, 5, 6, 7, 7, 7, 7, 7]); return l;
Array
var l = [1, 2,7, 7, 7, 7, 7, 3, 4, 5, 6, 7, 7, 7, 7, 7]; return _.uniq(l);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Set
Array

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the provided benchmark and explain what's being tested, compared, and some of the pros and cons associated with each approach.

**What is being tested?**

The test compares two approaches to achieve uniqueness in an array:

1. **Native JavaScript Array**: This method uses a native JavaScript array and its built-in `indexOf` method to remove duplicates.
2. **Lodash uniq function**: This method uses the popular JavaScript utility library Lodash, which provides a `uniq` function specifically designed for this purpose.

**Options compared**

The two options are:

1. **Native JavaScript Array**
	* Pros:
		+ No external dependencies (e.g., no additional libraries to download).
		+ Potential performance advantage due to optimized implementation.
	* Cons:
		+ Requires manual iteration and indexing, which can be slower for large datasets.
		+ May not be as efficient as native implementations in other languages (e.g., C++).
2. **Lodash uniq function**
	* Pros:
		+ Fast and optimized implementation, thanks to the expertise of the Lodash team.
		+ Convenient and concise syntax, making it easier to write and maintain code.
	* Cons:
		+ Requires an additional library download, which may incur overhead.
		+ May not be suitable for extremely large datasets due to memory constraints.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of helper functions for common programming tasks. The `uniq` function is specifically designed to remove duplicate elements from an array while preserving the original order.

**Special JS feature: none mentioned**

No special JavaScript features or syntax are being used in these benchmarks.

**Other alternatives**

If you want to explore alternative approaches, consider the following options:

1. **Using a Set**: While this approach is not explicitly tested in the benchmark, it's worth noting that using a `Set` (like `var l = new Set([1, 2, ...])`) can be an efficient way to remove duplicates from an array. However, this approach assumes that the order of elements doesn't matter.
2. **Using a Map**: Another alternative is to use a `Map` data structure to keep track of unique elements. This approach would involve iterating over the original array and adding each element to the map as a key-value pair.

Keep in mind that these alternatives might not be directly comparable to the Native JavaScript Array and Lodash uniq function approaches, as they require different implementation details.

**Benchmark preparation code**

The provided HTML preparation code includes a reference to the Lodash library, which is required for the `uniq` function test case. The script preparation code is empty, indicating that no custom JavaScript code needs to be executed before running the benchmark.

Overall, this benchmark provides a useful comparison between two approaches to achieve uniqueness in an array: native JavaScript and Lodash uniq function.

Related benchmarks:

lodash uniq vs adasdas (version: 0)

Comparing performance of: Set vs Array

Created: 6 years ago by: Guest

Jump to the latest result

Set

Array

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):