Benchmark: Implicit native comparison vs explicit comparison

Script Preparation code:

var v = { foo: "42" }

Tests:

Implicit native
Math.max(10, v["foo"])
Explicit
Math.max(10, +v["foo"])

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Implicit native
Explicit

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; rv:122.0) Gecko/20100101 Firefox/122.0

Browser/OS: Firefox 122 on Windows

View result in a separate tab

Test name	Executions per second
Implicit native	79209696.0 Ops/sec
Explicit	2639187712.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**Overview of the Benchmark**

The provided benchmark measures the performance difference between implicit native comparison and explicit comparison in JavaScript.

**What are being compared?**

Two approaches are being compared:

1. **Implicit Native Comparison**: This approach uses the `Math.max()` function to compare a value with another value, without explicitly converting the second value to a number using the unary plus operator (`+`).
2. **Explicit Comparison**: This approach uses the unary plus operator (`+`) to convert the second value to a number before comparing it with the first value.

**Pros and Cons of Each Approach**

1. **Implicit Native Comparison**:
	* Pros: Can be faster since the comparison is done directly on the values, without the overhead of converting one of them to a number.
	* Cons: May not work as expected if the second value is not a numeric type, leading to unexpected results or errors.
2. **Explicit Comparison**:
	* Pros: Always works correctly, even with non-numeric types, since it explicitly converts the second value to a number.
	* Cons: May be slower due to the overhead of converting one of the values to a number.

**Library Usage**

None of the benchmark code uses any external libraries. However, it does utilize the `Math` object, which is a built-in JavaScript library that provides mathematical functions.

**Special JS Features/Syntax**

There are no special JavaScript features or syntax used in this benchmark.

**Other Alternatives**

If you want to create similar benchmarks for other comparison operators (e.g., `Math.min()`, equality checks using `===`), you can modify the `Benchmark Definition` json to include different expressions. For example:

```json
{
    "Name": "Implicit native addition vs explicit addition",
    "Description": null,
    "Script Preparation Code": "var v = { foo: 10 }",
    "Html Preparation Code": null
}
```

And then define two test cases, similar to the original benchmark:

```json
[
    {
        "Benchmark Definition": "Math.max(0, v[\"foo\"] + 5)",
        "Test Name": "Implicit native"
    },
    {
        "Benchmark Definition": "(v[\"foo\"] + 5) > 10",
        "Test Name": "Explicit"
    }
]
```

This would compare the performance of implicit and explicit addition operations in JavaScript.

Related benchmarks:

Implicit native comparison vs explicit comparison (version: 0)

Comparing performance of: Implicit native vs Explicit

Created: 2 years ago by: Guest

Jump to the latest result

Implicit native

Explicit

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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