Benchmark: Access to Proxy vs Object vs Signal 2.1ffkik

Script Preparation code:

class Signal {
  constructor(state) {
    this.value = state;
  }

  get() {
    return this.value; 
  }
  set(newValue) {
    if (newValue !== this.value) {
      this.value = newValue;
    }
  }
}

function createSignal(value) {
  const v = new Signal(value);
  return [v.get.bind(v), v.set.bind(v)];
}
var [sigData, setData] = createSignal({
    value: 'data'
});


var mObject = {_value:'data'};
Object.defineProperty(mObject, 'value', {
    set: function (nv) {
        this._value = nv;
    },
    get: function() {
        return this._value;
    }
});

 
var proxy = new Proxy({
    value: 'data'
}, {get() {
    return this.value; 
  }})

Tests:

Proxy access
proxy.value
Signal access
sigData().value
object define properties
mObject.value

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Proxy access
Signal access
object define properties

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what is tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark tests three different approaches to access a value stored in an object:

1. **Proxy**: A Proxy object is created with a target object (`{value: 'data'}`) and a handler object `{get() { return this.value; }}`. The `proxy.value` property allows accessing the original value.
2. **Object Define Properties (mObject)**: An object `mObject` is defined with a private property `_value` and an accessor function for the `value` property, which updates the `_value` property.
3. **Signal**: A Signal object is created with an initial state (`{ value: 'data' }`) and two methods: `get()` to retrieve the current value, and `set(newValue)` to update the value.

**Options Compared**

The benchmark compares the execution times of accessing the value using each approach:

1. Proxy
2. Object Define Properties (mObject)
3. Signal

**Pros and Cons**

Here's a brief summary of the pros and cons for each approach:

1. **Proxy**:
	* Pros: Efficient, as it only updates the value when `get()` is called.
	* Cons: Can be slower due to the additional indirection.
2. **Object Define Properties (mObject)**:
	* Pros: Simple and efficient, with minimal overhead.
	* Cons: May not be suitable for large objects or complex data structures.
3. **Signal**:
	* Pros: Provides a clear separation of concerns between value storage and retrieval.
	* Cons: Can introduce additional complexity due to the Signal object's design.

**Library/Other Special JS Features**

In this benchmark, no external libraries are used. However, the `Proxy` API is supported by modern browsers, which provides a built-in way to create proxy objects.

**Test Case Analysis**

The test cases focus on accessing the value stored in each object:

1. **Signal access**: Tests how quickly the signal's `get()` method retrieves and returns the current value.
2. **Object define properties**: Verifies that updating the `value` property of `mObject` triggers the update correctly.
3. **Proxy access**: Measures the time it takes to access the `value` property on the Proxy object.

**Other Alternatives**

If you need alternative approaches, consider:

1. **Using a getter and setter**: Similar to Object Define Properties, but without the accessor function.
2. **Implementing a custom getter or setter**: Instead of using an existing method (like Signal's `get()`), create your own implementation for accessing the value.

These alternatives can provide different performance characteristics or trade-offs in terms of complexity and maintainability.

Related benchmarks:

Access to Proxy vs Object vs Signal 2.1ffkik (version: 0)

Comparing performance of: Proxy access vs Signal access vs object define properties

Created: 2 years ago by: Guest

Jump to the latest result

Proxy access

Signal access

object define properties

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):