Benchmark: Access to Proxy vs Object vs Signal 2.1ffkikyy

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

Latest run results:

Run details: (Test run date: 15 days ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 135 on Android

View result in a separate tab

Test name	Executions per second
proxyReflect access	23597108.0 Ops/sec
Signal access	104605544.0 Ops/sec
object define properties	106094960.0 Ops/sec
proxy get	30699996.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):

LLMs can make mistakes. Check important info.

Measuring JavaScript performance is a complex task, and `MeasureThat.net` provides a valuable resource for benchmarking various approaches. Let's break down the provided JSON, which represents a benchmark for accessing different types of data: objects, signals, and proxies.

**Benchmark Definition**

The benchmark consists of three types of data access:

1. **Signal**: A signal is an object that holds a value and provides methods to get and set this value.
2. **Object**: An object with defined properties, using `Object.defineProperty` to create getters and setters for the `value` property.
3. **Proxy**: A proxy is an object that wraps another object, providing access to its properties through getter and setter functions.

**Options Compared**

The benchmark compares three approaches:

* Signal: Using a signal object (`sigData`) with getter and setter methods.
* Object: Using an object with defined properties (`mObject`) and getters/setters for the `value` property.
* Proxy: Using two types of proxies, `proxyReflect` and `proxyGet`. The first one uses `Reflect.get` to access the value, while the second one uses a simple getter function.

**Pros and Cons**

Here's a brief summary of each approach:

* **Signal**: Pros:
	+ Easy to implement and understand.
	+ Provides explicit control over getters and setters.
Cons:
	+ May introduce additional overhead due to method calls.
* **Object**: Pros:
	+ Native support in JavaScript, with built-in getters and setters.
	+ Less overhead compared to using methods or proxies.
Cons:
	+ Requires more setup and configuration.
* **Proxy**: Pros:
	+ Provides fine-grained control over property access.
	+ Can be used for more complex scenarios.

However, the use of `Reflect.get` in `proxyReflect` introduces an additional layer of indirection, which might impact performance. The simple getter function in `proxyGet` reduces this overhead but may not provide the same level of flexibility as using a signal or object.

**Library and Purpose**

* **Signal**: This is a custom implementation, and its purpose is to demonstrate the use of signals for accessing data.
* **Object.defineProperty**: This is a native JavaScript function that creates getters and setters for an object's properties. Its purpose is to provide a simple way to manage property access in objects.

**Special JS Feature or Syntax**

The benchmark uses `Proxy` which is a built-in feature in modern JavaScript, introduced in ES6 (ECMAScript 2015). It provides a way to create proxy objects that can intercept and modify access to their properties. The use of `Reflect.get` within the proxy is also a relatively new feature, available since ES2022.

**Other Alternatives**

If you need to benchmark other approaches for accessing data, consider exploring:

* **Observer Pattern**: A pattern used to notify observers when changes occur in an object.
* **Event-driven programming**: Using events and event listeners to handle data access and updates.
* **Functional Programming**: Using pure functions and immutability to manage data access.

Keep in mind that each approach has its trade-offs, and the choice ultimately depends on your specific use case and requirements.

Related benchmarks:

Access to Proxy vs Object vs Signal 2.1ffkikyy (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 6 months ago):