Benchmark: yoda condition (just for fun)

Script Preparation code:

var count = 5;

Tests:

normal
if (count === 5) { // do some stuff }
yoda
if (5 === count) { // stuff some do }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
normal
yoda

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/128.0.6613.98 Mobile/15E148 Safari/604.1

Browser/OS: Chrome Mobile iOS 128 on iOS 17.6

View result in a separate tab

Test name	Executions per second
normal	23981808.0 Ops/sec
yoda	23600502.0 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition and test cases, explaining what's being tested, the pros and cons of different approaches, and other considerations.

**Benchmark Definition**

The benchmark definition is a JSON object that defines the characteristics of the test:
```json
{
    "Name": "yoda condition (just for fun)",
    "Description": null,
    "Script Preparation Code": "var count = 5;",
    "Html Preparation Code": null
}
```
In this case, the benchmark definition specifies:

1. **Name**: A descriptive name for the benchmark.
2. **Description**: An empty description, likely because there's no specific reason to describe this particular test.
3. **Script Preparation Code**: A JavaScript statement that sets a variable `count` to 5. This code is executed before running the actual benchmarking loop.
4. **Html Preparation Code**: Empty, which means no additional HTML preparation is needed.

**Individual Test Cases**

The individual test cases are an array of objects, each defining a specific variation of the benchmark:
```json
[
    {
        "Benchmark Definition": "if (count === 5) {\r\n  // do some stuff\r\n}",
        "Test Name": "normal"
    },
    {
        "Benchmark Definition": "if (5 === count) {\r\n  // stuff some do\r\n}",
        "Test Name": "yoda"
    }
]
```
There are two test cases:

1. **Normal**: A test that uses the traditional equality operator `===` to compare `count` with 5.
2. **Yoda**: A test that uses a reversed comparison, where `5 === count` is equivalent to `count === 5`.

**Library Used**

There's no explicit library mentioned in the benchmark definition or individual test cases. However, it appears that the benchmarking framework uses some underlying JavaScript engine or interpreter that provides features like equality comparisons.

**Special JS Feature/ Syntax**

The "Yoda" test case employs a non-standard comparison syntax, where `5 === count` is equivalent to `count === 5`. This syntax is often used in programming languages to reverse the order of variables, but it's not a standard JavaScript feature. This might be a creative way for Yoda fans (or enthusiasts) to compare values.

**Pros and Cons of Different Approaches**

The "normal" test case uses traditional equality comparisons (`===`), which are widely supported across most modern browsers and JavaScript engines.

The "Yoda" test case, on the other hand, employs non-standard comparison syntax. While this might be an interesting variation for creative types, it could lead to issues in:

* Browser compatibility: Some older or less-compliant browsers might not support this syntax.
* Code maintainability: Using non-standard syntax can make code harder to read and understand.

**Other Considerations**

The benchmarking framework likely uses a combination of factors to determine which test case performs better, such as:

* The JavaScript engine's optimization capabilities
* Cache hits/misses (e.g., if the `count` variable is already cached)
* Loop unrolling or other micro-optimization techniques

**Alternatives**

Other alternatives for benchmarking JavaScript code might include:

1. **V8 Benchmark Suite**: A widely-used benchmarking suite specifically designed for V8 JavaScript engine.
2. **JSTester**: An open-source benchmarking framework that supports multiple JavaScript engines and browsers.
3. **Benchmark.js**: A lightweight, popular benchmarking library for web applications.

Keep in mind that the specific test case you're comparing might require a custom benchmarking solution to accurately measure performance differences.

Related benchmarks:

yoda condition (just for fun) (version: 0)

Comparing performance of: normal vs yoda

Created: 4 years ago by: Guest

Jump to the latest result

normal

yoda

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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