Benchmark: Access to Proxy vs Object2

Script Preparation code:

object = { value: 'data' };
proxy = new Proxy(object, {})
proxyWithHandler = new Proxy(object, {
	get(target, prop, receiver) {
    	return Reflect.get(target, prop, receiver)
    }
})

Tests:

Object access
object.value;
Proxy access
proxy.value
Proxy with get handler access
proxyWithHandler.value

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object access
Proxy access
Proxy with get handler access

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36 Edg/106.0.1370.34

Browser/OS: Chrome 106 on Windows

View result in a separate tab

Test name	Executions per second
Object access	4255987.5 Ops/sec
Proxy access	3195405.2 Ops/sec
Proxy with get handler access	1731371.5 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the explanation of the provided benchmark.

**Benchmark Definition**

The benchmark definition is a JSON object that represents the code to be executed during the test. The script preparation code defines an object `object` with a single property `value`, and two proxy objects: `proxy` and `proxyWithHandler`. These proxies are created using the `Proxy` constructor, which allows you to define custom behavior for accessing properties on the underlying object.

**Options Compared**

The benchmark compares three different approaches:

1. **Direct Object Access**: The first test case accesses the `value` property of the original object `object`.
2. **Proxy Access**: The second test case accesses the `value` property of the proxy object `proxy`. This allows you to see how the proxy's behavior affects the performance.
3. **Proxy with Get Handler Access**: The third test case uses a custom get handler for the `proxyWithHandler` proxy. This handler returns the result of the original object's `get` method, allowing you to analyze the impact of the get handler on performance.

**Pros and Cons**

* Direct Object Access:
	+ Pros: Simple and straightforward.
	+ Cons: May not accurately reflect real-world scenarios where objects are accessed through proxies.
* Proxy Access:
	+ Pros: Helps identify performance issues related to proxying, such as the overhead of creating and accessing proxies.
	+ Cons: May not be representative of all use cases, as some browsers may optimize proxy access.
* Proxy with Get Handler Access:
	+ Pros: Provides a more realistic representation of how objects are accessed in real-world scenarios.
	+ Cons: Requires careful tuning of the get handler to avoid introducing additional performance overhead.

**Library and Purpose**

The `Proxy` constructor is a built-in JavaScript function that creates a proxy object. A proxy object allows you to control access to an underlying object's properties, methods, or behaviors. In this benchmark, the proxy objects are used to demonstrate how accessing properties through a proxy can impact performance.

**Special JS Feature or Syntax**

This benchmark does not use any special JavaScript features or syntax that would affect its understanding for developers without deep knowledge of JavaScript. The code is straightforward and uses built-in functions and constructors.

**Alternatives**

For measuring JavaScript performance, alternative benchmarks might include:

* `Benchmark.js`: A popular benchmarking library for Node.js.
* `jsperf.com`: A web-based benchmarking platform that allows users to compare the performance of different JavaScript implementations.
* `Google's V8 Benchmark Suite`: A comprehensive set of benchmarks designed to measure the performance of the V8 JavaScript engine.

These alternatives might provide more features, customization options, or focus on specific aspects of JavaScript performance. However, MeasureThat.net offers a user-friendly interface and easy-to-understand documentation, making it accessible to developers without deep knowledge of JavaScript performance optimization techniques.

Related benchmarks:

Access to Proxy vs Object2 (version: 0)

Comparing performance of: Object access vs Proxy access vs Proxy with get handler access

Created: 2 years ago by: Guest

Jump to the latest result

Object access

Proxy access

Proxy with get handler access

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):