Benchmark: find vs for..break

HTML Preparation code:

<div id='test'></div>

Tests:

for .. break
class InventoryCategory { constructor(name, lines) { this._name = name; this._lines = lines || []; } getName() { return this._name; } getLines() { return this._lines; } } let categories = [ new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('last', [{ name: 'Line 13' }, { name: 'Line 14' }, { name: 'Line 15' }])] for (const category of categories) { if (category.getName() === name) { return category; } } return null
find()
class InventoryCategory { constructor(name, lines) { this._name = name; this._lines = lines || []; } getName() { return this._name; } getLines() { return this._lines; } } let categories = [ new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('Category 1', [{ name: 'Line 1' }, { name: 'Line 2' }, { name: 'Line 3' }]), new InventoryCategory('Category 2', [{ name: 'Line 4' }, { name: 'Line 5' }, { name: 'Line 6' }]), new InventoryCategory('Category 3', [{ name: 'Line 7' }, { name: 'Line 8' }, { name: 'Line 9' }]), new InventoryCategory('Category 4', [{ name: 'Line 10' }, { name: 'Line 11' }, { name: 'Line 12' }]), new InventoryCategory('last', [{ name: 'Line 13' }, { name: 'Line 14' }, { name: 'Line 15' }])] return categories.find(c => c.getName() === 'last') || null;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for .. break
find()

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

A nice benchmarking dataset!

To answer your question, I'll analyze the JavaScript code in the `find()` method and provide some insights.

The `find()` method is called on an array of `InventoryCategory` objects with multiple consecutive instances of the same category name. The method returns the first occurrence of a category that matches a specific criteria (in this case, the "last" category).

Here's a brief analysis:

* The code has 3 iterations of creating and pushing `InventoryCategory` objects to an array.
* Each iteration creates two more consecutive instances of the same category name ("Category 1", "Category 2", etc.). This will likely lead to a lot of duplicate data in the array, which can slow down the performance of the `find()` method.

To improve performance, you could consider:

* Using an object instead of an array to store the categories. Objects have faster lookup times than arrays.
* Removing duplicates by using a Set or an object with unique category names.
* Optimizing the `find()` method itself by avoiding unnecessary iterations over the array.

Here's a possible optimized version:
```javascript
const categories = [];
for (let i = 0; i < 16; i++) {
  const catName = `Category ${i % 4 + 1}`;
  if (catName === 'last') {
    categories.push({ name: catName });
  } else {
    categories.push(new InventoryCategory(catName));
  }
}
const result = categories.find(c => c.getName() === 'last');
```
Note that this is just a suggestion, and the actual optimization will depend on your specific use case and requirements.

As for the benchmarking results, I can see that Chrome 115 has slightly better performance than Chrome 115 (with Safari). However, without more context or information about the testing environment, it's difficult to provide more meaningful insights.

Related benchmarks:

find vs for..break (version: 0)

Comparing performance of: for .. break vs find()

Created: 2 years ago by: Guest

Jump to the latest result

for .. break

find()

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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