Benchmark: Zero vs One Compare

Script Preparation code:

var array=[1,2];

Tests:

Zero
array.length == 0
One
array.length < 1

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Zero
One

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**What is being tested?**

The benchmark measures the performance difference between two conditions: `array.length == 0` and `array.length < 1`. In essence, it tests how fast the browser can execute a simple condition check on an array. The array is initialized with two elements in both cases (`var array=[1,2];`).

**Comparison of options**

There are several approaches to compare these conditions:

1. **Comparison using `===` operator**: This method uses the strict equality operator (`===`) to check if the length of the array is exactly 0 or less than 1. The browser will execute a conditional statement that checks for both cases.
	* Pros: Simple and straightforward implementation, easy to understand.
	* Cons: May be slower due to the overhead of checking both conditions.
2. **Comparison using `<=` operator**: This method uses the less-than-or-equal-to operator (`<=`) to check if the length of the array is less than or equal to 1. The browser will execute a conditional statement that checks for both cases.
	* Pros: May be faster since it only needs to check one condition.
	* Cons: Some browsers might not support this operator in comparison contexts, and it can lead to unexpected results if used incorrectly.
3. **Using a custom function**: A third approach would involve writing a custom function that checks the array length and returns a boolean value indicating whether it's 0 or less than 1.

**Pros and Cons of each approach**

* **Comparison using `===` operator**: Pros - easy to implement, well-supported by most browsers. Cons - may be slower due to overhead.
* **Comparison using `<=` operator**: Pros - potentially faster, but depends on browser support and usage context. Cons - may lead to unexpected results if used incorrectly or in certain browsers.

**Library usage**

There is no explicit library mentioned in the benchmark definition, but the use of JavaScript's built-in comparison operators (`===`, `<=`) implies that the browser's standard library is being utilized.

**Special JS feature or syntax**

None are mentioned in this specific benchmark. However, it's worth noting that some JavaScript engines might optimize certain expressions or conditions differently due to their implementation specifics (e.g., tail recursion optimization).

**Other alternatives**

If you wanted to create a custom benchmark, you could consider the following approaches:

* Using a library like Benchmark.js, which provides a simple and standardized way to write benchmarks.
* Implementing a custom comparison function using a binary search algorithm or similar technique for optimal performance.
* Utilizing WebAssembly (WASM) for high-performance benchmarking.

Keep in mind that this is just an example of what could be done differently. The current implementation is straightforward and easy to understand, making it suitable for its intended purpose.

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36

Browser/OS: Chrome 86 on Windows

View result in a separate tab

Test name	Executions per second
Zero	11556604.0 Ops/sec
One	11548697.0 Ops/sec

Related benchmarks:

Zero vs One Compare (version: 0)

Comparing performance of: Zero vs One

Created: 4 years ago by: Guest

Jump to the latest result

Zero

One

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):