Benchmark: round to multiple of

Script Preparation code:

var number = 76;

Tests:

math round
Math.round(number / 10) * 10;
toFixed
(number / 10).toFixed(0) * 10;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
math round
toFixed

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):

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Let's dive into explaining the benchmark and its various components.

**Benchmark Definition JSON**

The provided JSON defines two benchmarks:

1. "round to multiple of" ( Benchmark Name ): This is the main benchmark definition, which tests the performance of rounding numbers to multiples of 10.
2. Script Preparation Code: The script prepares a variable `number` with the value 76.
3. Html Preparation Code: There is no HTML preparation code provided.

**Individual Test Cases**

There are two test cases:

1. "math round"
	* Benchmark Definition: `Math.round(number / 10) * 10;`
	* Purpose: This benchmark tests the performance of using `Math.round()` to round a number to the nearest multiple of 10.
2. "toFixed"
	* Benchmark Definition: `(number / 10).toFixed(0) * 10;`
	* Purpose: This benchmark tests the performance of using `toFixed()` to round a number to the nearest multiple of 10.

**Options Compared**

The two test cases compare the performance of two different methods for rounding numbers:

1. Using `Math.round()`: This method uses the built-in `round()` function from the JavaScript Math library, which rounds a number to the nearest integer.
2. Using `toFixed(0)`: This method uses the `toFixed()` function, which returns a string representation of the number with a fixed precision.

**Pros and Cons**

Here are some pros and cons for each approach:

1. `Math.round()`
	* Pros:
		+ Wide support across browsers and platforms.
		+ Fast execution speed.
	* Cons:
		+ Can produce rounding errors if the input is not an integer.
2. `toFixed(0)`
	* Pros:
		+ More accurate than `round()` for certain use cases (e.g., financial calculations).
		+ Returns a string representation, which can be useful in certain contexts.
	* Cons:
		+ Slower execution speed compared to `Math.round()`.
		+ Can produce more unexpected results if not used carefully.

**Library Usage**

There is no library usage mentioned in the benchmark definition. However, it's worth noting that some libraries like Lodash or other utility libraries may provide alternative rounding functions (e.g., `lodash.round()`).

**Special JS Feature/Syntax**

The benchmark uses JavaScript syntax and features like template literals (`number / 10`), which is a feature introduced in ECMAScript 2015.

**Other Considerations**

When testing the performance of rounding numbers, it's essential to consider factors like:

* Input data distribution (e.g., uniform, normal, skewed)
* Precision requirements
* Performance requirements for different use cases

**Alternatives**

If you're looking for alternative benchmarks or tests, some examples include:

1. Basic arithmetic operations: addition, subtraction, multiplication, division.
2. String manipulation: concatenation, substring extraction, regular expressions.
3. Data processing: sorting, searching, filtering, aggregation.

Keep in mind that the specific benchmark definition and test cases will depend on your project's requirements and goals.

Related benchmarks:

round to multiple of (version: 0)

Comparing performance of: math round vs toFixed

Created: 3 years ago by: Guest

Jump to the latest result

math round

toFixed

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):