Benchmark: Object Function vs Free Function

Script Preparation code:

var Klass = function() {}

Klass.prototype.foo = function(p) {
  console.log('foo ' + p);
}

function free(p) {
  console.log('foo ' + p);
}

Tests:

Object Function
var i = 100000, klass = new Klass(); while(i--) { klass.foo(i); }
Free Function
var i = 100000; while(i--) { free(i); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object Function
Free Function

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's dive into the benchmark and explore what's being tested.

**Benchmark Definition**

The benchmark is defined by two JavaScript functions: `Klass` (an object function) and `free` (a free function, also known as a standalone function). Both functions have a single method `foo`, which logs a message to the console.

**Options Compared**

Two options are compared:

1. **Object Function**: The `Klass` class is used to create an instance of the object function. The `foo` method is called on this instance, passing a parameter `p`.
2. **Free Function**: The `free` standalone function is called directly, without creating any context or instance. It also takes a single parameter `p`.

**Pros and Cons**

**Object Function (Klass)**

Pros:

* Can be more efficient if the object function needs to maintain state between calls.
* Can provide encapsulation and access control through methods.

Cons:

* Requires the creation of an instance, which can lead to overhead in terms of memory allocation and garbage collection.
* May require additional setup or configuration.

**Free Function (free)**

Pros:

* Eliminates the need for creating an instance, reducing memory allocation and garbage collection overhead.
* Can be more straightforward and simple to implement.

Cons:

* Lacks encapsulation and access control through methods.
* May lead to tighter coupling between functions, making it harder to reason about code behavior.

**Library/Utility**

In this benchmark, the `Klass` class is used as a utility function to create an object instance. It's likely that `Klass` is designed to be a lightweight, minimalistic class factory, rather than a full-fledged class library.

**Special JS Feature/Syntax**

This benchmark does not explicitly use any special JavaScript features or syntax beyond the two functions being compared. However, it's worth noting that using classes and functions in this way can take advantage of modern JavaScript features like closures and prototypes, which are still widely supported across browsers.

**Alternatives**

Other alternatives to compare these options might include:

* **Closures**: Instead of using a class, you could define `Klass` as a closure, creating an instance on the fly.
* **Proxies**: You could use proxies to create a dynamic, flexible object function that doesn't require explicit instantiation.
* **Higher-order functions**: You could pass a callback or a function reference as an argument to a higher-order function, allowing you to control the behavior of `foo` without creating an instance.

Keep in mind that these alternatives would likely change the nature of the benchmark and the trade-offs involved.

Related benchmarks:

Object Function vs Free Function (version: 0)

Comparing performance of: Object Function vs Free Function

Created: 9 years ago by: Registered User

Jump to the latest result

Object Function

Free Function

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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