Benchmark: TC-DOHSIM find vs for...of

HTML Preparation code:

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

Tests:

for..of
var res = 850; var val = res; var arr = [1000, 600, 800]; for (var value of arr.sort((a, b) => a - b)) { val = res > value ? value : val; break; }
Array.find()
var res = 850; var val = res; var arr = [1000, 600, 800]; val = arr.sort((a, b) => b - a).find(value => res > value) || res;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for..of
Array.find()

Fastest: N/A

Slowest: N/A

Latest run results:

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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 test.

**What is tested?**

The test compares the performance of two approaches to find the maximum value in an array:

1. **For...of loop**: This is a traditional JavaScript looping construct that uses the `for...of` keyword to iterate over an iterable object (in this case, the sorted array).
2. **Array.prototype.find() method**: This is a modern JavaScript method introduced in ECMAScript 2015 (ES6) that returns the first element of an array that satisfies the provided testing function.

**Options compared**

The two options are:

* **For...of loop**: iterates over the sorted array and updates the `val` variable until the condition is met.
* **Array.find() method**: sorts the array in-place, filters out elements that don't meet the condition, and returns the first matching element.

**Pros and cons of each approach**

**For...of loop:**

Pros:

* Generally faster for small to medium-sized arrays, as it doesn't require an extra sorting step.
* Can be more intuitive for simple use cases.

Cons:

* Requires manual iteration over the array elements.
* May not be as efficient for large arrays due to the overhead of iterating over each element.

**Array.find() method:**

Pros:

* More concise and expressive code, making it easier to understand and maintain.
* Can handle larger datasets more efficiently, as it uses a optimized sorting algorithm internally.

Cons:

* Requires an extra step of sorting the array in-place, which can be costly for large arrays.
* May not be suitable for very small arrays due to the overhead of the method call.

**Library usage**

None of the test cases use any external libraries or frameworks.

**Special JS features/syntax**

The test case uses ES6 syntax (e.g., `=>` in the arrow function, `const`/`let` declarations). This is a feature of modern JavaScript and requires at least Node.js 14.7.0 or newer to run.

**Other alternatives**

Other approaches could include:

* **Linear search**: iterating over the array from the beginning until finding the matching element.
* **Binary search**: using a more efficient algorithm for large arrays, which would require sorting the array first (similar to Array.prototype.find()).
* **Using Math.max() and spread operator**: `Math.max(...arr)`, which is likely to be slower than both For...of loop and Array.prototype.find() due to its overhead.

In summary, the test compares two approaches for finding the maximum value in an array: a traditional For...of loop and the modern Array.prototype.find() method. The choice between these options depends on the specific use case, dataset size, and performance requirements.

Related benchmarks:

TC-DOHSIM find vs for...of (version: 0)

Testing DOHSIM performance of find vs for

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

Created: 3 years ago by: Guest

Jump to the latest result

for..of

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):