Benchmark: Number between/ Number in range

Script Preparation code:

var min = 100;
var max = 600000;
var num = 300001;
var between = (x, min, max) => {
	return x >= min && x <= max;
}
var inRange = (x, min, max) => {
	return ((x-min)*(x-max) <= 0);
}

Tests:

Using greater than and less than
let i = 0; while (i < 10000) { i++; between(num, min, max) }
Using a single comparison
let i = 0; while (i < 10000) { i++; inRange(num, min, max) }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Using greater than and less than
Using a single comparison

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser/OS: Chrome 128 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Using greater than and less than	321.1 Ops/sec
Using a single comparison	320.1 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Overview**

The provided benchmark measures how efficiently different browsers can execute two approaches to check if a number is within a specified range:

1. Using greater than and less than operators (`>=` and `<`)
2. Using a single comparison with mathematical operations (`(x-min)*(x-max) <= 0`)

**Options Compared**

There are two options being compared:

### Option 1: Using greater than and less than operators

This approach involves using the `>=` and `<` operators to check if the input number `x` is within the range `[min, max]`. This method is straightforward and easy to understand.

Pros:

* Easy to implement and understand
* Fast and efficient for most use cases

Cons:

* May not be suitable for all edge cases (e.g., very large or small numbers)
* Can lead to unnecessary comparisons if the range is large

### Option 2: Using a single comparison with mathematical operations

This approach involves using the expression `(x-min)*(x-max) <= 0` to check if `x` is within the range `[min, max]`. This method is more efficient than the first option because it eliminates the need for separate comparisons.

Pros:

* More efficient than Option 1, especially for large ranges
* Can be faster due to reduced number of operations

Cons:

* May require additional mathematical understanding or expertise
* Less intuitive and easier to implement than Option 1

**Library Used**

There is no specific library used in this benchmark. The code is self-contained, with the `between` and `inRange` functions defined directly within the script.

**Special JS Features/Syntax**

None are mentioned. The code uses standard JavaScript features, such as variables, conditional statements, and loops.

**Other Considerations**

When evaluating these options, consider the trade-offs between:

* Code simplicity vs. performance
* Intuitiveness of the approach vs. potential for errors
* Ease of maintenance and modification

For most use cases, Option 1 (using greater than and less than operators) is a good choice due to its ease of implementation and understanding. However, if performance is critical, especially for large ranges, Option 2 (using a single comparison with mathematical operations) may be the better choice.

**Alternatives**

Other approaches to check if a number is within a specified range could include:

* Using bitwise operators (e.g., `x >= min && (x & max)`)
* Employing approximation techniques (e.g., using a tolerance value)
* Utilizing specialized libraries or functions designed for this specific task

Keep in mind that the performance differences between these alternatives may be negligible, and the choice of approach should ultimately depend on the specific requirements and constraints of your use case.

Related benchmarks:

Number between/ Number in range (version: 0)

Check if a number is in the range of numbers. ie. is 5 between 1 and 10/ in range of 1 to 10

Comparing performance of: Using greater than and less than vs Using a single comparison

Created: one year ago by: Registered User

Jump to the latest result

Using greater than and less than

Using a single comparison

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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