Benchmark: Some vs. includes TEST1

Script Preparation code:

var hasZero = [];
var withoutZero = [];
for (var i = 0; i < 10000; i++) {
  hasZero.push(Math.floor(Math.random() * 1000));
  withoutZero.push(Math.floor(Math.random() * 1000) + 1)
}

Tests:

Array.some
var a = hasZero.some(v => v === 0); var b = withoutZero.some(v => v === 0);
Array.includes
var a = hasZero.includes(0); var b = withoutZero.includes(0);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.some
Array.includes

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Linux; Android 12; Surface Duo) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 108 on Android

View result in a separate tab

Test name	Executions per second
Array.some	54138.7 Ops/sec
Array.includes	3717738.2 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition, test cases, and latest benchmark result to explain what's being tested.

**Benchmark Definition JSON**

The benchmark definition is an object that contains information about the script preparation code and HTML preparation code (which is empty in this case). The script preparation code defines two arrays: `hasZero` and `withoutZero`, both containing 10,000 random integers. The purpose of these arrays is to test the performance difference between using the `some()` method and the `includes()` method.

**Test Cases**

There are two individual test cases:

1. **Array.some**: This test case uses the `hasZero` array and checks if any element in the array is equal to 0 using the `some()` method.
2. **Array.includes**: This test case also uses the `withoutZero` array but checks if the integer 0 is included in the array using the `includes()` method.

**Library: null**

Since there are no libraries mentioned in the benchmark definition, it's likely that the tests are designed to isolate JavaScript language features and built-in methods.

**Special JS Feature/ Syntax**

There isn't any specific JavaScript feature or syntax being tested here. The use of `some()` and `includes()` is a standard part of the JavaScript language.

**Pros and Cons of Different Approaches**

The benchmark is testing two common array manipulation methods: `some()` and `includes()`. Here are some pros and cons of each approach:

* **`some()`**: Pros:
	+ More flexible and powerful, as it allows stopping the iteration as soon as a condition is met.
	+ Can be more efficient for large arrays, as it doesn't require creating an index array or checking all elements in sequence.
Cons:
	+ May have a higher overhead due to its more complex implementation.
* **`includes()`**: Pros:
	+ Simpler and more intuitive, making it easier to read and understand.
	+ Often faster than `some()`, especially for small arrays or when the element is not present.
Cons:
	+ Requires creating an index array, which can be slower for large arrays.

**Other Alternatives**

If you were to write a similar benchmark, you might consider testing other methods, such as:

* `every()` vs. `includes()`: Testing the performance difference between checking if all elements in an array meet a condition versus simply checking if a specific element is included.
* `forEach()` vs. `some()`: Comparing the execution time of iterating over an array using `forEach()` versus stopping the iteration as soon as a certain condition is met with `some()`.
* Other library-based approaches: Depending on your goals, you might consider testing performance with different libraries or frameworks that implement these methods, such as React's `useEvery` hook.

Keep in mind that writing a good benchmark requires careful consideration of the factors being measured and the specific use cases being tested.

Related benchmarks:

Some vs. includes TEST1 (version: 0)

Comparing performance of: Array.some vs Array.includes

Created: one year ago by: Guest

Jump to the latest result

Array.some

Array.includes

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):