Benchmark: get decimals - MeasureThat.net

Tests:

1
123.0123%1
2
var r = Math.floor(123.0123); 123.0123 - r;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2

Fastest: N/A

Slowest: N/A

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

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Let's break down the provided JSON and explain what is being tested, compared, and other considerations.

**Benchmark Definition**
The benchmark definition is an empty object with no script preparation code or HTML preparation code specified. This suggests that the test cases are focused on pure JavaScript execution.

**Individual Test Cases**

There are two test cases:

1. `123.0123%1`
This test case appears to be a simple mathematical expression that converts 123.0123 to an integer using the modulo operator (`%`). The `%` symbol is used in JavaScript for modulo, and it's likely being tested to see how different browsers and environments execute this operation.
2. `var r = Math.floor(123.0123);\r\n123.0123 - r;`
This test case uses a more complex expression that first calculates the floor of 123.0123 using the `Math.floor()` function, stores it in a variable `r`, and then subtracts `r` from the original value. This test case seems to be evaluating how different browsers handle decimal arithmetic and rounding.

**Options Compared**

In this benchmark, the options being compared are:

* Modulo operator (`%`) vs `Math.floor()`
* Decimal precision and rounding behavior

**Pros and Cons**

The modulo operator is a simple and widely supported operation in JavaScript. However, it may not always produce the desired result, especially when dealing with decimal numbers.

`Math.floor()` is a more robust function that can handle decimal numbers and provides a specific rounding mode (round towards negative infinity). However, it may be slower than a simple modulo operation for certain use cases.

**Library Usage**

In Test Case 2, `Math.floor()` is used in conjunction with the `var` keyword to declare a variable. There are no other libraries or dependencies mentioned.

**Special JS Feature/Syntax**

The `%` symbol is not specific to any particular JavaScript feature or syntax. It's a standard operator for modulo operations in many programming languages, including JavaScript.

**Other Alternatives**

If you wanted to create an alternative benchmark with similar test cases but different execution scenarios, you could consider:

* Using different numerical data types (e.g., `NaN`, `Infinity`)
* Introducing additional variables or expressions that affect the result
* Changing the precision or rounding behavior for a specific operation

Keep in mind that these variations should be carefully designed to ensure they remain relevant and meaningful for the intended purpose of benchmarking.

In summary, this benchmark compares two approaches for performing decimal arithmetic in JavaScript: modulo operator vs `Math.floor()`. It tests how different browsers handle these operations on various input values.

Related benchmarks:

get decimals (version: 0)

Comparing performance of: 1 vs 2

Created: 4 years ago by: Guest

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1

2

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):