Benchmark: Exponentiation Test

Script Preparation code:

var arr = [0.002, 0.1, 0.25, 0.75, 1]

Tests:

Math.pow
var x = arr.map(v => Math.pow(v, 3));
Exponentiation
var y = arr.map(v => v ** 3);
Mult
var z = arr.map(v => v * v * v);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.pow
Exponentiation
Mult

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser/OS: Chrome 125 on Windows

View result in a separate tab

Test name	Executions per second
Math.pow	1919649.5 Ops/sec
Exponentiation	4432400.0 Ops/sec
Mult	15346086.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**What is being tested?**

The provided JSON represents a JavaScript microbenchmarking test case on the MeasureThat.net website. The benchmark tests three different approaches to calculate the cube of numbers in an array: using `Math.pow`, using the exponentiation operator (`**`), and multiplying the number by itself three times.

**Options compared:**

* **Using `Math.pow`**: This method uses the built-in mathematical function `pow()` from the `Math` object. It takes two arguments, the base and the exponent, and returns the result of raising the base to the power of the exponent.
* **Using the exponentiation operator (`**`)**: This is a new feature in JavaScript introduced in ECMAScript 2016 (ES7). The `**` operator allows you to raise a number to a power. In this benchmark, it's used to calculate the cube of each element in the array.
* **Multiplying by itself three times**: This approach simply multiplies each number in the array by itself three times (`v * v * v`) to achieve the same result as raising it to the third power.

**Pros and cons of each approach:**

* **Using `Math.pow`**:
	+ Pros:
		- Well-established, widely supported function.
		- Easy to understand and use.
	+ Cons:
		- May be slower than other methods due to its overhead.
* **Using the exponentiation operator (`**`)**:
	+ Pros:
		- Faster execution speed compared to `Math.pow`.
		- More concise and expressive syntax.
	+ Cons:
		- Requires support for ECMAScript 2016 (ES7) or later versions of JavaScript.
		- May not work in older browsers or environments that don't support this feature.
* **Multiplying by itself three times**:
	+ Pros:
		- Easy to implement and understand.
	+ Cons:
		- Less efficient than using `Math.pow` or the exponentiation operator.

**Library usage:**

None of the test cases use any external libraries.

**Special JS features/syntax:**

The only special feature used in this benchmark is the exponentiation operator (`**`). It's a new feature introduced in ECMAScript 2016 (ES7) and allows you to raise a number to a power.

Related benchmarks:

Exponentiation Test (version: 0)

Comparing performance of: Math.pow vs Exponentiation vs Mult

Created: one year ago by: Guest

Jump to the latest result

Math.pow

Exponentiation

Mult

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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