Benchmark: Battle of the bools

Script Preparation code:

var bFalse = false;
var sEmpty = '';
var sFilled = 'Foo';
var nZero = 0;
var nOne = 1;

var Boolejan = (input) => !!input
var Boolejan2 = (input) => !input ? false : true

Tests:

Boolean
Boolean(bFalse) Boolean(sEmpty) Boolean(sFilled) Boolean(nZero) Boolean(nOne)
Double negate
!!bFalse !!sEmpty !!sFilled !!nZero !!nOne
Boolejan
Boolejan(bFalse) Boolejan(sEmpty) Boolejan(sFilled) Boolejan(nZero) Boolejan(nOne)
Boolejan2
Boolejan2(bFalse) Boolejan2(sEmpty) Boolejan2(sFilled) Boolejan2(nZero) Boolejan2(nOne)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Boolean
Double negate
Boolejan
Boolejan2

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark and its test cases to explain what's being tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark is defined as follows:

```javascript
var Boolejan = (input) => !!input
var Boolejan2 = (input) => !input ? false : true
```

These two functions are designed to test different approaches for evaluating boolean values. The first function, `Boolejan`, uses the "double bang" operator (`!!`) to negate a value, while the second function, `Boolejan2`, uses a conditional expression (`!input ? false : true`) to achieve the same result.

**Test Cases**

There are four test cases:

1. **Boolean**: Tests the original implementations of the `Boolean` function and its variations.
2. **Double negate**: Tests the double bang operator (`!!`) on various boolean values.
3. **Boolejan**: Tests the `Boolejan` function's implementation.
4. **Boolejan2**: Tests the `Boolejan2` function's implementation.

**Options Compared**

The options being compared are:

* **Boolean function**: The original implementation of the `Boolean` function and its variations ( Boolejan, Boolejan2).
* **Double bang operator (`!!`)**: A simple way to negate a boolean value.
* **Conditional expression**: An alternative way to evaluate a boolean value using an if-else statement.

**Pros and Cons**

* **Boolejan**: This implementation uses the `!!` operator, which can be slower than the double bang due to the overhead of the conditional evaluation. However, it's more concise and expressive.
* **Boolejan2**: This implementation uses a conditional expression, which can lead to unnecessary computations if not optimized correctly. It's also less readable than Boolejan.
* **Double negate**: The use of the `!!` operator is straightforward but may not be as efficient as the original implementations.

**Library Considerations**

None of the test cases explicitly use any libraries beyond the standard JavaScript syntax. However, it's worth noting that in a real-world scenario, the performance difference between these implementations might be negligible unless optimized for specific use cases or platforms.

**Other Alternatives**

There are alternative ways to implement boolean evaluations, such as:

* Using bitwise operators (e.g., `x === 0 ? false : true`)
* Utilizing specialized libraries or frameworks (e.g., React's truthy/falsy checks)
* Leveraging built-in functions like `Number()` and `isNaN()`

Keep in mind that these alternatives might not be optimized for performance, readability, or compatibility with all environments.

**Benchmarking Considerations**

When benchmarking such microbenchmarks, it's essential to consider factors like:

* **Hardware**: The type of device (Desktop, Mobile, etc.) and its specific hardware characteristics.
* **Software**: The browser version, operating system, and other software configurations used.
* **Compilation**: Any optimization flags or settings that might impact performance.

The benchmark results provided show the execution speed differences between these implementations. However, to draw meaningful conclusions, it's crucial to consider the context in which this code will be deployed.

Related benchmarks:

Battle of the bools (version: 0)

Comparing performance of: Boolean vs Double negate vs Boolejan vs Boolejan2

Created: 3 years ago by: Guest

Jump to the latest result

Boolean

Double negate

Boolejan

Boolejan2

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):