Benchmark: Access to Proxy vs Object vs Signal 2.1ffkikyydgdfg

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 proxyReflect = new Proxy({
    value: 'data'
}, {
    get(target, prop, receiver) {
        return Reflect.get(target, prop, receiver)
    }
})

var proxyGet = new Proxy({
    _value: 'data'
}, {
    get(target, prop, receiver) {
        return target._value
    }
})

Tests:

proxyReflect access
proxyReflect.value
Signal access
sigData().value
object define properties
mObject.value
proxy get
proxyGet.value

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
proxyReflect access
Signal access
object define properties
proxy get

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided JSON represents a JavaScript benchmark that compares the performance of accessing different types of proxy objects: `Proxy`, `Object.defineProperty()`, and a custom `Signal` class.

**Benchmark Definition**

The benchmark is defined as an array of individual test cases, each with a unique name and a "Benchmark Definition" property. This property specifies the exact line of code that will be executed to measure performance. The test cases are:

1. `proxyReflect.access`: Accessing the `value` property of the `Proxy` object.
2. `Signal.access`: Calling the `get()` method on the `Signal` object.
3. `object.defineProperties.access`: Accessing the `value` property of an object defined using `Object.defineProperty()`.
4. `proxyGet.access`: Accessing the `value` property of a `Proxy` object with a custom getter.

**Library Used**

The benchmark uses the following libraries:

1. `Proxy`: A built-in JavaScript function that creates a proxy object, which allows you to intercept and manipulate access to an object's properties.
2. `Object.defineProperty()`: A built-in JavaScript method that defines a property on an object.

**Special JavaScript Feature/Syntax**

The benchmark utilizes a custom `Signal` class, which is not part of the standard JavaScript library. The `Signal` class has a `get()` and `set()` method to provide access to its internal state. This allows us to compare the performance of accessing a signal's value using this custom class versus the built-in `Proxy` object.

**Options Compared**

The benchmark compares the following options:

1. Accessing the `value` property of a `Proxy` object (`proxyReflect.access`).
2. Calling the `get()` method on a `Signal` object (`Signal.access`).
3. Accessing the `value` property of an object defined using `Object.defineProperty()` (`object.defineProperties.access`).
4. Accessing the `value` property of a `Proxy` object with a custom getter (`proxyGet.access`).

**Pros and Cons**

Here are some pros and cons for each option:

1. **Proxy**: Pros:
	* Provides fine-grained control over access to an object's properties.
	* Can be used to implement complex behavior, such as validation or caching.
	* Cons:
		+ Can introduce additional overhead due to the proxying mechanism.
		+ May not provide the same level of performance as native JavaScript methods.
2. **Object.defineProperty()**: Pros:
	* Provides a simple and efficient way to define properties on an object.
	* Is optimized for performance, making it suitable for large-scale applications.
	* Cons:
		+ Limited control over access to defined properties (e.g., no ability to implement custom getters or setters).
3. **Signal**: Pros:
	* Provides a simple and intuitive API for accessing a signal's internal state.
	* Can be used to implement complex behavior, such as validation or caching.
	* Cons:
		+ Is not part of the standard JavaScript library, which may affect compatibility and performance.

**Other Considerations**

When choosing between these options, consider the following factors:

1. **Performance**: If high-performance is a critical requirement, `Object.defineProperty()` might be the best choice due to its optimized implementation.
2. **Complexity**: If you need fine-grained control over access to an object's properties or want to implement complex behavior, `Proxy` might be the better option.
3. **Code readability**: If simplicity and readability are important, `Signal` could be a good choice due to its intuitive API.

**Alternatives**

Other alternatives for accessing different types of proxy objects include:

1. **Native Web Workers**: Can provide isolated execution environments with access to shared resources.
2. **Native WebAssembly**: Provides a low-level, compiled interface for executing code in the browser.
3. **Third-party libraries**: Such as `Proxy`-like libraries (e.g., `proxy-promise`) or other custom implementations of proxy objects.

Keep in mind that each alternative has its own pros and cons, and the choice ultimately depends on your specific use case and requirements.

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/118.0.0.0 Safari/537.36

Browser/OS: Chrome 118 on Windows

View result in a separate tab

Test name	Executions per second
proxyReflect access	6117919.0 Ops/sec
Signal access	21666068.0 Ops/sec
object define properties	21802194.0 Ops/sec
proxy get	16585081.0 Ops/sec

Related benchmarks:

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

Comparing performance of: proxyReflect access vs Signal access vs object define properties vs proxy get

Created: one year ago by: Guest

Jump to the latest result

proxyReflect access

Signal access

object define properties

proxy get

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):