Benchmark: math pow vs multiply vs reduce

Tests:

pow
var x = Math.pow(10,2);
mult
var y = 10*10
reduce
var z = [10,10].reduce((acc, v) => acc * v, 1)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
pow
mult
reduce

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36

Browser/OS: Chrome 100 on Windows

View result in a separate tab

Test name	Executions per second
pow	10288735.0 Ops/sec
mult	1262231040.0 Ops/sec
reduce	221178272.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the benchmark.

**Benchmark Overview**

The benchmark compares three different approaches to calculate the square of a number: `Math.pow(10,2)`, `10*10`, and `[10,10].reduce((acc, v) => acc * v, 1)`. This is known as the "math pow vs multiply vs reduce" benchmark.

**Options Compared**

The three options are:

1. **`Math.pow(10,2)`**: Uses the built-in `pow()` method of the `Math` object.
2. **`10*10`**: Performs a simple multiplication operation using the `*` operator.
3. **`[10,10].reduce((acc, v) => acc * v, 1)`**: Uses the `reduce()` method of arrays to multiply two numbers.

**Pros and Cons**

1. **`Math.pow(10,2)`**:
	* Pros: Fast and accurate.
	* Cons: Requires an extra function call (`pow()`), which might incur some overhead.
2. **`10*10`**:
	* Pros: Simple and straightforward, no extra function calls or array operations required.
	* Cons: Might be slower due to the need for repeated multiplication (10 + 10 + ...).
3. **`[10,10].reduce((acc, v) => acc * v, 1)`**:
	* Pros: Uses a functional programming approach and avoids explicit loops or recursive functions.
	* Cons: Requires an array initialization (`[10,10]`) and the `reduce()` method, which might be slower than a simple multiplication.

**Library and Syntax Considerations**

The benchmark does not use any specific libraries beyond the standard JavaScript library. However, it's worth noting that the `reduce()` method is part of the ECMAScript 2015 (ES6) specification, so it may not be supported in older browsers or environments.

There are no special JavaScript features or syntaxes used in this benchmark other than the examples mentioned above.

**Alternatives**

Some possible alternatives for each option could be:

* Instead of `Math.pow(10,2)`, you could use the exponentiation operator (`**`) if it's supported by the target browser or environment.
* For `10*10`, you could consider using a more efficient multiplication algorithm, such as Karatsuba multiplication or binary multiplication.
* For `[10,10].reduce((acc, v) => acc * v, 1)`, you could explore other reduction algorithms, such as folding or accumulator-based approaches.

Overall, the benchmark provides a simple and straightforward way to compare the performance of three different mathematical operations in JavaScript.

Related benchmarks:

math pow vs multiply vs reduce (version: 0)

Comparing performance of: pow vs mult vs reduce

Created: 4 years ago by: Guest

Jump to the latest result

pow

mult

reduce

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):