Benchmark: foomsdffdsaadfsdfas

Script Preparation code:

var all = []
for(let j = 0; j < 10; j++){
var data = []

for (let i = 0; i < 5000; ++i) data.push({ username: 'toto' })
data.push({ username: 'titi' })
for (let i = 0; i < 2500; ++i) data.push({ username: 'toto' })
all.push(data)
  }

Tests:

find
all.forEach(d => d.find(e => e.username === 'titi'))
some
all.forEach(d => d.some(e => e.username === 'titi'))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
find
some

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

Browser/OS: Chrome 86 on Mac OS X 10.14.3

View result in a separate tab

Test name	Executions per second
find	3030.4 Ops/sec
some	1873.1 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data and explain what's being tested.

**Benchmark Definition**

The benchmark definition is a JavaScript code snippet that defines a function to be executed by MeasureThat.net. In this case, there are two test cases:

1. `all.forEach(d => d.find(e => e.username === 'titi'))`
2. `all.forEach(d => d.some(e => e.username === 'titi'))`

These two functions perform the same operation: finding the first element in each array (`d`) that matches a specific condition (`e.username === 'titi'`). The only difference is that one uses `find()` and the other uses `some()`.

**Options Compared**

MeasureThat.net compares different options to determine which one performs better:

1. **`forEach`**: Iterates over the arrays using a traditional `for` loop.
2. **`find`**: Returns the first element in an array that satisfies a specified condition.
3. **`some`**: Returns `true` if at least one element in an array satisfies a specified condition.

**Pros and Cons**

Here's a brief summary of each option:

*   **`forEach`**:
    *   Pros: Simple, straightforward implementation; suitable for arrays with many elements.
    *   Cons: May have higher overhead due to the traditional `for` loop; can be less efficient than `find()` or `some()` for large datasets.
*   **`find`**: 
    *   Pros: Efficient and scalable; returns the first matching element, which can reduce iterations.
    *   Cons: Can throw an error if no elements match the condition; may not be suitable for arrays with many false positives.
*   **`some`**:
    *   Pros: Returns `true` as soon as a condition is met, making it efficient for large datasets.
    *   Cons: May return too early and trigger unnecessary iterations; can be less intuitive than `find()`.

**Other Considerations**

When choosing between these options, consider the specific requirements of your use case:

*   If you need to find a single matching element and don't mind potentially returning an error if none is found, `find()` might be the best choice.
*   If you want to stop iterating as soon as a condition is met, regardless of whether it's true or false, `some()` could be more suitable.

**Library Used**

In this benchmark, no libraries are explicitly mentioned. However, `forEach`, `find`, and `some` are built-in JavaScript methods that don't require any additional imports.

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax used in these test cases. They rely on standard JavaScript methods and basic syntax.

I hope this explanation helps software engineers understand the test being run by MeasureThat.net!

Related benchmarks:

foomsdffdsaadfsdfas (version: 0)

asdf

Comparing performance of: find vs some

Created: 4 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 6 months ago):