Benchmark: test pow - MeasureThat.net

Tests:

just Math.pow
var a = Math.pow(10, -15 / 20);
again
var a = Math.pow(10, -10 / 20);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
just Math.pow
again

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 8 years ago)

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36

Browser/OS: Chrome 53 on Windows 7

View result in a separate tab

Test name	Executions per second
just Math.pow	4524574.5 Ops/sec
again	4114714.5 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark definition and test cases.

**Benchmark Definition**

The benchmark definition is a simple JavaScript code snippet that tests the `Math.pow` function. Specifically, it calculates the result of `10` raised to the power of `-15/20`. The benchmark definition itself is not an executable code, but rather a template for creating test cases.

**Options Compared**

In this benchmark, two different options are compared:

1. **`-15 / 20`**: This option uses integer division, which will result in `-0`, because the `/` operator performs integer division when both operands are integers.
2. **`-10 / 20`**: This option also uses integer division, but with a different set of numbers.

**Pros and Cons**

The choice between these two options can affect the performance of the `Math.pow` function:

* Using `-15 / 20` may lead to better performance because the result is more likely to be zero, which can be optimized by the JavaScript engine.
* Using `-10 / 20` may lead to slower performance if the result is not exactly zero, as the engine might need to perform additional calculations.

Other considerations:

* The benchmark doesn't consider floating-point division, which would result in a non-zero value. This might be relevant for more complex use cases.
* The `Math.pow` function can also be optimized by the JavaScript engine if the base and exponent are known at compile-time. However, this is not relevant to this specific benchmark.

**Library**

In neither of the test cases is there a library being used explicitly. However, the `Math` object is implicitly included, which provides access to mathematical functions like `pow`.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntax used in these test cases.

**Alternatives**

If you wanted to create similar benchmarks using MeasureThat.net, you could add more test cases with different options, such as:

* Using floating-point division (`-15 / 20.0` vs. `-10 / 20.0`)
* Using a different base or exponent
* Including other mathematical functions from the `Math` object

For example:
```json
{
    "Benchmark Definition": "var a = Math.pow(2, -10);",
    "Test Name": "exponentiation"
}
```
Keep in mind that you can also create benchmarks using MeasureThat.net's built-in features, such as measuring the execution time of specific code snippets or comparing different implementations.

Related benchmarks:

test pow (version: 0)

just to test Math.pow

Comparing performance of: just Math.pow vs again

Created: 8 years ago by: Registered User

Jump to the latest result

just Math.pow

again

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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