Benchmark: Math.min vs if1 - MeasureThat.net

Script Preparation code:

var a = Math.random() * 1000
var b = Math.random() * 1000
var c = Math.random() * 1000

Tests:

Math.min()
return Math.min(a, b, c)
if
if (a < b && a < c) return a else if (b < c) return b else return c

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.min()
if

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 14 on iOS 14.0

View result in a separate tab

Test name	Executions per second
Math.min()	2279535.2 Ops/sec
if	2119073.0 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The provided benchmark compares two approaches for finding the smallest of three numbers: using the built-in `Math.min()` function versus writing a custom conditional statement (an "if" statement).

**Options Compared**

1. **Math.min()**: The first option uses the `Math.min()` function, which takes multiple arguments and returns the smallest value.
2. **Custom If Statement**: The second option writes a custom conditional statement that checks if each number is smaller than the others, returning the smallest one.

**Pros and Cons of Each Approach**

1. **Math.min()**:
	* Pros: concise, efficient, and widely supported across browsers.
	* Cons: may not be as readable or maintainable for complex logic.
2. **Custom If Statement**:
	* Pros: can be more flexible and easier to understand for complex logic, but may be slower due to the need for multiple checks.
	* Cons: less concise, potentially slower, and less supported by older browsers.

**Library Usage**

None of the provided benchmark code uses any external libraries. The `Math.min()` function is a built-in JavaScript method that comes with the language itself.

**Special JS Feature or Syntax**

The benchmark uses regular expressions in the script preparation code (`var c = Math.random() * 1000`), but this is not a special feature or syntax specific to modern browsers. It's simply a way to generate random numbers for testing purposes.

**Other Considerations**

When writing performance benchmarks, it's essential to consider factors like:

* **Randomization**: The use of `Math.random()` in the script preparation code introduces randomness, which can affect benchmark results.
* **Browser Support**: Different browsers may handle JavaScript code differently. The provided benchmark only covers Mobile Safari 14 on iOS 14.0.
* **Test Environment**: Factors like CPU speed, memory, and operating system can impact benchmark results.

**Alternatives**

Other approaches for finding the smallest of three numbers could include:

* Using a simple sorting algorithm (e.g., `a = Math.min(a, b, c)`).
* Utilizing a library or function specifically designed for finding minimum values (e.g., Lodash's `min` function).

Keep in mind that these alternatives may not be as efficient or readable as the original `Math.min()` approach.

Related benchmarks:

Math.min vs if1 (version: 0)

Comparing performance of: Math.min() vs if

Created: 4 years ago by: Guest

Jump to the latest result

Math.min()

if

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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