Benchmark: ~~ vs Math.Floor

Script Preparation code:

var a = 123;
var b = 321;

Tests:

Math.Floor
var result = Math.Floor(a, b);
~~
var result = ~~(a, b)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.Floor
~~

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):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data to understand what's being tested and the pros and cons of different approaches.

**Benchmark Definition**

The benchmark definition specifies two JavaScript expressions that will be compared:

1. `Math.Floor(a, b)`
2. `~~(a, b)`

Here, `a` and `b` are integer variables initialized with values 123 and 321, respectively.

**Comparison Options**

There are two comparison options being tested:

1. **`Math.Floor`**: This is a built-in JavaScript function that returns the largest integer less than or equal to a given number.
2. **`~~` (Integer Signum)**: The `~~` operator is not a standard JavaScript operator. Instead, it's an alias for the bitwise NOT operator (`~`) applied to an integer value. This operator can be used to simulate rounding behavior.

**Pros and Cons of Different Approaches**

1. **`Math.Floor`**:
	* Pros: Widely supported by most browsers, well-documented, and efficient.
	* Cons: May not always round down exactly due to floating-point precision issues in JavaScript.
2. **`~~` (Integer Signum)**:
	* Pros: Can be used to simulate rounding behavior, especially for integer values where `Math.floor()` might not work as expected.
	* Cons: Not a standard JavaScript operator and may not be supported by all browsers or environments.

**Library Usage**

There is no library explicitly mentioned in the benchmark definition. However, it's worth noting that some libraries like Math.js or Decimal.js might provide alternative rounding functions or more precise arithmetic operations.

**Special JS Features/Syntax**

None are explicitly mentioned in this benchmark definition.

**Other Alternatives**

If you want to simulate a similar rounding behavior using a standard JavaScript operator, you can use the `Math.trunc()` function (available in ECMAScript 2017 and later) or `Math.round()` with a large number of decimal places (e.g., `Math.round(a * 1000000)`).

For more precise arithmetic operations, consider using libraries like Math.js or Decimal.js.

Keep in mind that the `~~` operator is not a standard JavaScript operator and should be used with caution.

Related benchmarks:

~~ vs Math.Floor (version: 0)

Comparing performance of: Math.Floor vs ~~

Created: 6 years ago by: Guest

Jump to the latest result

Math.Floor

~~

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):