Benchmark: proxy get trap benchmark

Script Preparation code:

object = {
    variant: data => ({
        variant: data
    })
};
proxy = new Proxy({}, {
    get(target, prop) {
        return data => ({
            [prop]: data
        })
    }
})

Tests:

vanilla
object.variant("data")
proxy
proxy.variant("data")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
vanilla
proxy

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36

Browser/OS: Chrome 106 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
vanilla	15974401.0 Ops/sec
proxy	12799925.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and its test cases.

**Benchmark Overview**

The benchmark measures the performance of JavaScript microbenchmarks on different architectures, specifically comparing vanilla JavaScript and a Proxy-based implementation.

**Script Preparation Code**

The script preparation code defines an object `variant` that returns another object with a single property. It also creates a proxy object using the `Proxy` constructor, which intercepts all property accessors.

```javascript
object = {
  variant: data => ({ variant: data })
};
proxy = new Proxy({}, {
  get(target, prop) {
    return data => ({ [prop]: data });
  }
});
```

The `get` trap function returns a new object with the accessed property as a key. This allows us to measure the performance of accessing properties on the proxy object.

**Test Cases**

There are two test cases:

1. **Vanilla**: Measures the execution time of accessing properties using vanilla JavaScript.
2. **Proxy**: Measures the execution time of accessing properties using the Proxy-based implementation.

**Pros and Cons**

* **Vanilla**:
	+ Pros: Simpler, more straightforward implementation.
	+ Cons: May be slower due to additional overhead from property accessors.
* **Proxy**:
	+ Pros: Can handle complex property access scenarios with ease.
	+ Cons: More complex implementation, which may introduce additional overhead.

In general, the Proxy-based implementation is more flexible but can be slower. The choice between vanilla and proxy depends on the specific use case and performance requirements.

**Other Considerations**

* **Library Usage**: There are no libraries used in this benchmark. However, other benchmarks might use libraries like `lodash` or `Ramda` to simplify common tasks.
* **Special JS Features/Syntax**: This benchmark does not mention any special JavaScript features or syntax beyond the use of Proxy.

**Alternative Approaches**

Other approaches to measuring performance differences between vanilla and proxy-based implementations might include:

1. Using a different data structure, such as an array or object with complex nested properties.
2. Adding additional complexity to the property accessors, like using functions or regular expressions.
3. Measuring performance under different loads or concurrency scenarios.

Keep in mind that these alternatives would require significant changes to the benchmark script and may not accurately reflect real-world use cases.

I hope this explanation helps!

Related benchmarks:

proxy get trap benchmark (version: 0)

Comparing performance of: vanilla vs proxy

Created: 3 years ago by: Guest

Jump to the latest result

vanilla

proxy

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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