Benchmark: math pow vs multiply 8 times

Tests:

pow
var x = Math.pow(54,8);
mult
var y = 54*54*54*54*54*54*54*54

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
pow
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/136.0.0.0 Safari/537.36 Edg/136.0.0.0

Browser/OS: Chrome 136 on Windows

View result in a separate tab

Test name	Executions per second
pow	130789600.0 Ops/sec
mult	141609184.0 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark, named "math pow vs multiply 8 times", is designed to compare the performance of two approaches for calculating `x` in the equation `x = Math.pow(54, 8)` and `y = 54*54*54*54*54*54*54*54`, respectively.

**Options Compared**

Two options are being compared:

1. **Math.pow**: This method uses the exponentiation operator (`**`) to raise the base number (54) to the power of 8.
2. **Multiplication**: This approach multiplies the base number by itself 8 times to achieve the same result.

**Pros and Cons**

* **Math.pow**:
	+ Pros: More concise, expressive, and readable code.
	+ Cons: May incur additional overhead due to the use of a specialized function call.
* **Multiplication**:
	+ Pros: Can be faster for large exponents due to the ability to reuse intermediate results.
	+ Cons: Requires more code lines, making it less readable.

**Other Considerations**

In general, the choice between `Math.pow` and multiplication depends on the specific use case and performance requirements. If readability is prioritized over raw speed, `Math.pow` is likely a better choice. However, if every last bit of performance can be squeezed out, multiplication might be a better option.

**Library Used**

None are mentioned in the provided benchmark.

**Special JS Features or Syntax**

There's no special JavaScript feature or syntax being used in these tests. The code uses standard JavaScript syntax and features available since ES6 (ECMAScript 2015).

**Alternative Approaches**

Other alternative approaches could be considered, such as:

1. **Binary exponentiation**: A method that reduces the number of multiplications required for large exponents.
2. **Fast Fourier Transform (FFT)**: A mathematical algorithm used for efficient exponentiation in certain numerical computations.

These alternatives might be more suitable for very large exponents or specific performance-critical applications, but are not relevant to this particular benchmark.

In summary, the "math pow vs multiply 8 times" benchmark is designed to compare the performance of two simple approaches for calculating an exponent. While `Math.pow` is a concise and expressive option, multiplication can be faster for very large exponents due to reusing intermediate results.

Related benchmarks:

math pow vs multiply 8 times (version: 0)

Comparing performance of: pow vs mult

Created: 7 years ago by: Guest

Jump to the latest result

pow

mult

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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