Benchmark: trigata - MeasureThat.net

Script Preparation code:

function rand(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}

function angle(x, y) {
  let result = Math.atan(y / x);
  if (x < 0) {
    result += Math.PI;
  } else if (y < 0) {
    result += 2 * Math.PI;
  }
  return result;
}

Tests:

native
var xO = rand(1, 1000); var yO = rand(1, 1000); Math.atan(yO, xO);
alt
var xT = rand(1, 1000); var yT = rand(1, 1000); angle (xT, yT);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
native
alt

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.

Let's break down the provided JSON data and explain what's being tested.

**Benchmark Definition**

The benchmark definition is a JavaScript function that generates two random numbers, `xO` and `yO`, using the `rand` function. It then calls the `Math.atan` function with these two values, but without providing any explicit types or casts for the arguments (i.e., `x` and `y`). This means that the behavior of `Math.atan` is being tested when called with arbitrary numeric values.

**Options Compared**

There are two options being compared:

1. **Native**: This refers to the built-in JavaScript function `Math.atan`. The test case calls `Math.atan` directly, without any modifications or casts.
2. **alt**: This option is not explicitly defined in the benchmark definition, but based on the code, it seems that this is an alternative implementation of the `angle` function provided in the script preparation code.

**Pros and Cons**

The pros and cons of these approaches are:

*   **Native (Math.atan)**:
    *   Pros: This is the standard JavaScript function for calculating arctangent. It's likely to be implemented efficiently by most browsers.
    *   Cons: The behavior may vary depending on the input values, especially if they're outside the range of `-1` to `1`. However, in this specific test case, both inputs are within the valid range.
*   **alt (angle function)**:
    *   Pros: This implementation provides additional features, such as handling cases where `x` or `y` is negative. It also avoids potential issues with NaN (Not a Number) inputs.
    *   Cons: Implementing this alternative function correctly can be more complex and may not be optimized for performance.

**Library and Purpose**

The `angle` function is using the Math.atan2 function, which is available in most JavaScript environments since ECMAScript 5. This function takes two arguments, `y` and `x`, and returns the arctangent of `y/x`. However, if `x` or `y` is negative, it returns an angle in the correct quadrant.

**Special JS Feature/Syntax**

There's a special JavaScript feature being used here: template literals (the `\r\n`-esque formatting). This syntax allows for more readable and expressive code, especially when working with strings. However, since this isn't a deep dive into JavaScript features, we'll leave it at that.

**Other Alternatives**

Some alternative approaches could include:

*   Using the `Math.atan2` function directly (as mentioned earlier), which is available in most modern browsers.
*   Implementing an alternative `angle` function using a library like Math.js or a custom implementation.

For further exploration, you can consider exploring other benchmarking tools and resources, such as:

*   Browser-specific benchmarking platforms like browserbench.org
*   Online code editors with built-in benchmarking capabilities (e.g., jsFiddle)
*   JavaScript testing frameworks for more comprehensive testing

Related benchmarks:

trigata (version: 0)

Comparing performance of: native vs alt

Created: 7 years ago by: Guest

Jump to the latest result

native

alt

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):