Benchmark: find vs loop array test

Tests:

array loop
var arr = [ { code: 1, title: "titel1" }, { code: 2, title: "titel2" }, { code: 3, title: "titel3" }, { code: 4, title: "titel4" }, { code: 5, title: "titel5" }, { code: 6, title: "titel6" }, { code: 7, title: "titel7" }, { code: 8, title: "titel8" }, { code: 9, title: "titel9" }, ]; let item; for(let i=0; i<arr.length; i++){ const arrItem = arr[i]; if(arrItem.code === 1){ item = arrItem; break; } }
array find
var arr = [ { code: 1, title: "titel1" }, { code: 2, title: "titel2" }, { code: 3, title: "titel3" }, { code: 4, title: "titel4" }, { code: 5, title: "titel5" }, { code: 6, title: "titel6" }, { code: 7, title: "titel7" }, { code: 8, title: "titel8" }, { code: 9, title: "titel9" }, ]; const item = arr.find(it=>it.code === 1);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array loop
array find

Fastest: N/A

Slowest: N/A

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

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Let's break down the benchmark and its test cases.

**Benchmark Definition**

The benchmark measures the performance of two approaches to finding an item in an array:

1. **Array Loop**: Iterating through the array using a for loop, accessing each element individually, and checking if it matches the target code.
2. **Array Find**: Using the `find()` method, which returns the first element that satisfies the provided callback function.

**Options Compared**

The benchmark compares these two approaches to find an item in an array:

Pros of Array Loop:

* Low-level, fine-grained control over the iteration process
* Can be optimized for specific use cases or hardware architectures

Cons:

* More verbose and error-prone compared to using `find()`
* May require more CPU cycles due to unnecessary iterations

Pros of Array Find:

* Concise and expressive code
* Less prone to errors, as it leverages the optimized `find()` implementation under the hood
* Can be faster for large datasets, as it avoids unnecessary iterations

Cons:

* Less control over the iteration process
* May not work correctly if the array is very small or has specific properties

**Library Used**

The benchmark uses the JavaScript `Array` and `String` APIs, specifically the `find()` method.

**Special JS Feature/Syntax**

None mentioned in this specific benchmark, but note that some other features like `let`, `const`, `arrow functions`, and template literals might be used in more complex benchmarks.

**Other Alternatives**

For similar use cases, you could consider using:

1. **Native Array methods**: Other array methods like `indexOf()`, `includes()`, or `every()` might offer different performance profiles.
2. **Third-party libraries**: Libraries like Lodash or Ramda provide additional utility functions for working with arrays and finding specific elements.
3. **Alternative programming languages**: Depending on the specific problem, you might consider using a different language that provides more efficient or concise solutions.

Keep in mind that the choice of approach depends on the specific requirements of your use case.

Related benchmarks:

find vs loop array test (version: 0)

performance find item in loop vs find item with array.find

Comparing performance of: array loop vs array find

Created: 4 years ago by: Guest

Jump to the latest result

array loop

array 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):