Benchmark: Math.sqrt vs Math.pow vs **

Tests:

Math.sqrt
let x = Math.sqrt(225)
Math.pow
let x = Math.pow(225, 0.5)
**
let x = 225 ** 0.5

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.sqrt
Math.pow
**

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's break down the benchmark and explain what's being tested.

**Benchmark Definition**

The benchmark is defined as a JSON object with three properties:

* `Name`: The name of the benchmark, which is "Math.sqrt vs Math.pow vs **".
* `Description`: An empty string, indicating that there is no description for this benchmark.
* `Script Preparation Code` and `Html Preparation Code`: Both are null, meaning that no special script or HTML preparation code is required to run this benchmark.

**Individual Test Cases**

The benchmark consists of three individual test cases:

1. `Math.sqrt`: Tests the execution time of the `Math.sqrt(225)` expression.
2. `Math.pow`: Tests the execution time of the `Math.pow(225, 0.5)` expression.
3. `**`: Tests the execution time of the exponentiation operator (`x ** 0.5`) for the same input value, 225.

**Library and Syntax Used**

In this benchmark, no specific JavaScript library is used. The syntax is standard JavaScript, with no custom libraries or features.

However, it's worth noting that the use of the exponentiation operator (`**`) is a relatively new feature in JavaScript, introduced in ECMAScript 2020 (ES2020). This feature allows for fast and expressive exponentiation, which might be faster than using `Math.pow()` for large values.

**Options Compared**

In this benchmark, three options are compared:

1. `Math.sqrt`: A built-in JavaScript function for calculating the square root of a number.
2. `Math.pow`: Another built-in JavaScript function for raising a number to a power.
3. `**`: The exponentiation operator itself, which is being tested as an alternative.

The pros and cons of these options are:

* `Math.sqrt`:
	+ Pros: Simple, efficient, and widely supported.
	+ Cons: May be slower than other methods for large values due to its iterative algorithm.
* `Math.pow`:
	+ Pros: Faster and more accurate than `Math.sqrt` for large values.
	+ Cons: May not be as simple or intuitive as the exponentiation operator (`**`).
* `**` (Exponentiation Operator):
	+ Pros: Fast, expressive, and modern. Well-suited for large values.
	+ Cons: Not widely supported in older browsers or versions of JavaScript.

**Considerations**

When choosing between these options, consider the specific use case:

* If you're working with small to medium-sized numbers, `Math.sqrt` might be sufficient.
* For larger numbers or high-performance applications, `Math.pow()` might be a better choice.
* For modern JavaScript environments and fast exponentiation, the `**` operator is likely the best option.

**Other Alternatives**

If you'd like to explore alternative approaches, here are a few options:

* Using a specialized library like FastMath or MathJS for high-performance math operations.
* Implementing custom exponentiation algorithms, such as Newton's method or binary search exponentiation.
* Using other methods like Taylor series expansion or asymptotic analysis to estimate the execution time of each option.

Keep in mind that these alternatives might introduce additional complexity and overhead, so it's essential to carefully evaluate their trade-offs before selecting an alternative.

Related benchmarks:

Math.sqrt vs Math.pow vs ** (version: 0)

Comparing performance of: Math.sqrt vs Math.pow vs **

Created: 5 years ago by: Guest

Jump to the latest result

Math.sqrt

Math.pow

**

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):