Benchmark: sonve vs find - MeasureThat.net

Tests:

find
let a = ['a','b','c']; let b = ['c','d','e']; a.find((item) => b.includes(item)) !== undefined;
some
let a = ['a','b','c']; let b = ['c','d','e']; a.some((item) => b.includes(item)) !== undefined;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
find
some

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):

LLMs can make mistakes. Check important info.

I'd be happy to explain the provided benchmark.

**What is being tested?**

MeasureThat.net is testing two JavaScript methods: `Array.prototype.find()` and `Array.prototype.some()`. The benchmark is comparing the performance of these two methods when searching for an element in a string array. Specifically, it's checking if the method can find the presence of an item in another array.

**Options compared**

The two options being compared are:

1. `find()`: This method returns the first element in the array that satisfies the provided testing function. If no elements satisfy the testing function, -1 is returned.
2. `some()`: This method returns true if at least one element in the array satisfies the provided testing function.

**Pros and cons of each approach**

* `find()`:
	+ Pros: It's more concise and readable than using `some()` with a conditional check.
	+ Cons: If no elements satisfy the testing function, it will return -1, which might be considered "failure" in some contexts. In this case, the test is checking for the presence of an item, so returning -1 might not be desirable.
* `some()`:
	+ Pros: It returns true as soon as it finds a matching element, which can be faster than `find()` if multiple elements satisfy the testing function.
	+ Cons: The check is performed on each element individually, which can lead to more iterations and slower performance.

**Library usage**

None of the provided test cases use any external libraries. Both methods are built-in to the JavaScript language.

**Special JS features or syntax**

There are no special JavaScript features or syntax used in these test cases.

**Other alternatives**

For finding an element in an array, other approaches might include:

* Using `indexOf()` method: This method returns the index of the first occurrence of the specified value, or -1 if it's not found.
* Using a for loop to iterate over the array: This approach would require manually checking each element against the testing function.

Keep in mind that these alternatives might not be as concise or readable as using `find()` and `some()`, but they can still achieve the same result.

I hope this explanation helps software engineers understand what's being tested in the provided benchmark!

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36

Browser/OS: Chrome 91 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
find	5847699.5 Ops/sec
some	6268765.5 Ops/sec

Related benchmarks:

sonve vs find (version: 0)

Comparing performance of: find vs some

Created: 3 years ago by: Guest

Jump to the latest result

find

some

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 25 days ago):