Benchmark: multiple vs divide

HTML Preparation code:

<html>
  <body>
    <div id="test"></div>
  </body>
</html>

Tests:

div
let a = document.getElementById("test"); a.innerText = String(10 / 100);
multiple
let a = document.getElementById("test"); a.innerText = String(100 * 0.1);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
div
multiple

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/124.0.0.0 Safari/537.36

Browser/OS: Chrome 124 on Windows

View result in a separate tab

Test name	Executions per second
div	1072942.0 Ops/sec
multiple	1095856.6 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided JSON and explain what's being tested, compared, and analyzed.

**Benchmark Overview**

The benchmark is comparing two approaches: division by 100 (`10 / 100`) and multiplication by 0.1 (`100 * 0.1`).

**Test Cases**

There are two test cases:

1. **"div"`**: This test case uses the `document.getElementById()` method to retrieve an HTML element with the id "test". The benchmark measures how long it takes to set the inner text of this element using `String(10 / 100)`.
2. **"multiple"`**: Similar to the first test case, but it uses the multiplication operator (`*`) instead of division.

**Libraries and Features**

Neither of these test cases requires any specific JavaScript library or feature beyond basic DOM manipulation and string concatenation.

**Comparison Options**

The benchmark is comparing two approaches:

1. **Division by 100**: `10 / 100`
2. **Multiplication by 0.1**: `100 * 0.1`

**Pros and Cons of Each Approach**

Both approaches have some similarities, but they differ in how the calculation is performed:

* Division by 100 (`10 / 100`):
	+ Pros:
		- Typically executed more quickly due to the simplicity of division.
		- Less chance of integer overflow (since both operands are small integers).
	+ Cons:
		- May involve floating-point operations, which can be slower on some platforms.
* Multiplication by 0.1 (`100 * 0.1`):
	+ Pros:
		- Can be faster due to the simplicity of multiplication and the smaller multiplier value.
		- Less chance of integer overflow (since one operand is a small number).
	+ Cons:
		- May involve floating-point operations, which can be slower on some platforms.

**Other Considerations**

The benchmark also considers the DOM element retrieval time (`document.getElementById()`) as part of the overall calculation. However, this operation seems to be relatively fast compared to the arithmetic calculations themselves.

**Alternative Benchmarks**

Some possible alternative benchmarks could include:

* Adding or subtracting small numbers (e.g., `10 + 5` vs. `10 * 0.1`)
* Performing more complex mathematical operations (e.g., exponentiation, trigonometric functions)
* Using different data types (e.g., integers vs. floating-point numbers)

Related benchmarks:

multiple vs divide (version: 0)

tests

Comparing performance of: div vs multiple

Created: one year ago by: Guest

Jump to the latest result

div

multiple

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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