Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
lodash uniq vs set v2
(version: 0)
Comparing performance of:
Set vs Array
Created:
2 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>
Tests:
Set
var l = Array.from(new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7])) return l;
Array
var l = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]; return _.uniq(l);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Set
Array
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):
Let's dive into the provided JSON and explain what's being tested on MeasureThat.net. **Benchmark Overview** MeasureThat.net is comparing two approaches to remove duplicate values from an array: using a `Set` data structure (similar to a JavaScript `Set`) and using the `uniq()` function from the Lodash library. The goal is to determine which approach is faster. **Options Compared** Two options are being compared: 1. **Array**: This approach uses a traditional JavaScript array with duplicate values and then removes them using the `_.uniq(l)` method from Lodash. 2. **Set**: This approach creates a new `Set` data structure from an array of numbers and then converts it back to an array, effectively removing duplicates. **Pros and Cons** 1. **Array Approach**: * Pros: Uses a familiar JavaScript array data structure, easy to implement, and works with any type of values. * Cons: May be slower due to the overhead of creating a new array and using the `_.uniq()` method, which has to iterate over each element in the original array. 2. **Set Approach**: * Pros: Faster than the Array approach since it only requires iterating over each unique value once (the Set data structure automatically eliminates duplicates). * Cons: Requires creating a new Set data structure, which may be slower for large arrays, and using the `_.uniq()` method from Lodash. **Library Used** The benchmark uses Lodash, a popular JavaScript utility library that provides various functions for tasks like array manipulation, string manipulation, and more. In this case, it's used to implement the `_.uniq()` function, which removes duplicate values from an array. **Special JS Feature/Syntax** There are no special JavaScript features or syntax being tested in this benchmark. The focus is on comparing two different approaches to remove duplicates from an array. **Other Alternatives** If you're interested in exploring alternative approaches for removing duplicates from an array, here are a few examples: * Using `Array.prototype.filter()`: Instead of using Lodash's `_.uniq()` function, you can use the `filter()` method to create a new array with only unique elements. * Using `Map` data structure: Similar to the Set approach, you can use a Map (or an object) to store unique values and then convert it back to an array. Keep in mind that these alternatives might have different performance characteristics compared to the Array and Set approaches.
Related benchmarks:
lodash uniq vs native uniq
uniqBy vs stringify performance
Lodash - uniq
uniqBy performance lodash vs native
Lodash uniqBy vs Javascript uniqBy
Comments
Confirm delete:
Do you really want to delete benchmark?