Benchmark: set vs uniq(ramda)

HTML Preparation code:

<script src="//cdn.jsdelivr.net/npm/ramda@0.25.0/dist/ramda.min.js"></script>

Tests:

Usando o set
const l = new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]); return l;
Usando uniq
const 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>

Previous results

Test case name	Result
Usando o set
Usando uniq

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Usando o set	10173078.0 Ops/sec
Usando uniq	24284072.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the explanation of what is tested on the provided JSON, along with the pros and cons of each approach.

**Benchmark Definition**

The benchmark definition represents a JavaScript microbenchmark that compares two approaches: using `Set` data structure versus using `uniq` from the Ramda library. The test aims to measure which approach performs better in terms of execution speed.

**Options Compared**

There are two options compared:

1. **Using Set**: This option creates a new `Set` instance and adds 14 identical elements (the number 7) to it. The `Set` data structure automatically removes duplicates, so the resulting set will have only one instance of the number 7.
2. **Using uniq from Ramda**: This option uses the `uniq` function from the Ramda library to remove duplicate elements from an array.

**Pros and Cons**

* **Using Set**:
	+ Pros: Faster execution time since it removes duplicates in a single pass, reducing the overall number of iterations.
	+ Cons: May require more memory to store the set, especially for large datasets.
* **Using uniq from Ramda**:
	+ Pros: More convenient and readable code, as it's a well-known function with a clear purpose.
	+ Cons: May be slower than using `Set` since it iterates over the array multiple times.

**Ramda Library**

The Ramda library is a functional programming library for JavaScript that provides a set of higher-order functions for manipulating data. The `uniq` function in particular removes duplicate elements from an array while preserving order.

**Special JS Feature or Syntax**

None mentioned, but it's worth noting that the benchmark uses ES6+ syntax, which may not be supported by older browsers.

**Other Alternatives**

If you want to test a different approach, here are some alternatives:

* Using `Array.prototype.filter` and `Array.prototype.includes`:
```javascript
const l = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7];
l = l.filter(x => l.indexOf(x) === l.lastIndexOf(x));
return l;
```
This approach is similar to using `Set`, but without creating a new data structure.

* Using an external library like Lodash (not Ramda):
```javascript
const _ = require('lodash');
const l = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7];
return _.uniq(l);
```
This approach is similar to using `uniq` from Ramda, but with a different library.

The choice of approach depends on the specific use case and performance requirements.

Related benchmarks:

set vs uniq(ramda) (version: 0)

Comparing performance of: Usando o set vs Usando uniq

Created: 3 years ago by: Guest

Jump to the latest result

Usando o set

Usando uniq

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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