Benchmark: compare boolean values

HTML Preparation code:

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

Script Preparation code:

var a = true;
var b = false;

Tests:

naive compare
const reuslt = (a === b ? 0 : a < b ? -1 : 1);
Number constructor
const result = Number(a) - Number(b);
lodash subtract
const result = _.subtract(a, b)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
naive compare
Number constructor
lodash subtract

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided JSON represents a JavaScript microbenchmark that compares different approaches to compare boolean values. The benchmark consists of three test cases:

1. Naive comparison using the `===` operator
2. Comparison using the `Number` constructor
3. Comparison using the `_` (lodash) library's `subtract` function

**Benchmark Preparation**

The script preparation code sets up two variables, `a` and `b`, with values of `true` and `false`, respectively.

The HTML preparation code includes a reference to the Lodash JavaScript library, which is used in one of the test cases.

**Options Compared**

Here's an overview of each option compared:

1. **Naive comparison using `===`**: This approach uses the equality operator (`===`) to compare `a` and `b`. The pros are that it's a simple and straightforward approach, while the cons are that it can be slower due to the overhead of comparing two values.
2. **Comparison using `Number` constructor**: In this approach, `Number(a)` and `Number(b)` convert both values to numbers before comparison. The pros are that it can be faster than the naive comparison for non-boolean values, while the cons are that it loses the context of boolean values.
3. **Comparison using Lodash `_` library's `subtract` function**: This approach uses the `subtract` function from the Lodash library to compare `a` and `b`. The pros are that it can provide a more flexible comparison mechanism, while the cons are that it adds an external dependency (Lodash).

**Library Used: Lodash**

The `_` (lodash) library is used in one of the test cases. It's a popular utility library for JavaScript that provides various functional programming helpers, including the `subtract` function.

**Special JS Feature/Syntax: None**

There are no special JavaScript features or syntax used in this benchmark.

**Other Considerations**

When choosing an approach to compare boolean values, consider the trade-offs between simplicity, performance, and flexibility. In general:

* Naive comparison using `===` is a good choice when you need to compare two simple values.
* Comparison using `Number` constructor can be faster but loses context for boolean values.
* Using Lodash's `_` library provides more flexibility but adds an external dependency.

**Alternative Approaches**

If you don't have access to the Lodash library or prefer not to use it, other alternatives to compare boolean values include:

1. Simple bitwise AND operation: `a & b`
2. Simple arithmetic operation: `a ^ b`

Keep in mind that these approaches might be slower than the ones tested in this benchmark.

In conclusion, the provided benchmark provides a clear comparison of different approaches to compare boolean values, highlighting the trade-offs between simplicity, performance, and flexibility.

Latest run results:

Run details: (Test run date: 4 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser/OS: Chrome 126 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
naive compare	4417512.5 Ops/sec
Number constructor	3032214.8 Ops/sec
lodash subtract	3871252.5 Ops/sec

Related benchmarks:

compare boolean values (version: 0)

Comparing performance of: naive compare vs Number constructor vs lodash subtract

Created: 5 months ago by: Guest

Jump to the latest result

naive compare

Number constructor

lodash subtract

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):