Benchmark: arr.sort() vs. Math.min()

Tests:

arr.sort()
const arr = [6,5,3,2,8,10,9]; return arr.sort((a, b) => a - b)[0];
Math.min()
const arr = [6,5,3,2,8,10,9]; return Math.min(...arr);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
arr.sort()
Math.min()

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 YaBrowser/23.7.5.704 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 23 on Windows

View result in a separate tab

Test name	Executions per second
arr.sort()	4175117.8 Ops/sec
Math.min()	6623587.0 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark is designed to compare the performance of two different approaches: sorting an array using `sort()` function and finding the minimum value in an array using `Math.min()` function.

**Test Cases**

There are two test cases:

1. **arr.sort()**: This test case creates an array `[6,5,3,2,8,10,9]` and sorts it using the `sort()` function. The `sort()` function takes a comparison function as an argument, which defines how elements should be compared during sorting. In this case, the comparison function is `(a, b) => a - b`, which sorts the array in ascending order.
2. **Math.min()**: This test case creates the same array `[6,5,3,2,8,10,9]` and finds the minimum value using the `Math.min()` function with spread operator (`...`) to pass all elements of the array as arguments.

**Library Used**

There is no specific library used in these test cases. However, it's worth noting that `sort()` function uses a sorting algorithm called Timsort, which is a hybrid sorting algorithm derived from merge sort and insertion sort.

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax used in these test cases. The syntax is standard and widely supported by most modern browsers.

**Options Compared**

The options compared are:

* `sort()` function with a comparison function
* `Math.min()` function with spread operator (`...`)

**Pros and Cons of Each Approach**

1. **arr.sort()**
	* Pros:
		+ Can be used to sort arrays in place (i.e., modify the original array)
		+ Can be used to implement custom sorting logic
	* Cons:
		+ Has a higher overhead due to the need to iterate over the entire array
		+ May not perform well on very large datasets
2. **Math.min()**
	* Pros:
		+ Fast and efficient, especially for small to medium-sized arrays
		+ Does not require iterating over the entire array
	* Cons:
		+ Only finds the minimum value, not sorts the entire array
		+ May not be suitable for sorting multiple values

**Other Considerations**

When choosing between these two approaches, consider the following:

* If you need to sort an entire array, `sort()` function might be a better choice. However, if you only need to find the minimum value in an array, `Math.min()` function is likely a better option.
* If performance is critical and you're working with very large datasets, you may want to consider alternative sorting algorithms like QuickSort or Merge Sort.

**Alternatives**

Some alternative approaches for finding the minimum value in an array include:

* Using the `reduce()` method: `arr.reduce((min, current) => min < current ? min : current)`
* Using a loop with conditional statements: `for (let i = 0; i < arr.length; i++) { if (arr[i] < arr[0]) arr[0] = arr[i]; }`

However, these alternatives may not be as efficient or convenient to use as the `Math.min()` function.

Related benchmarks:

arr.sort() vs. Math.min() (version: 0)

Comparing performance of: arr.sort() vs Math.min()

Created: 5 years ago by: Guest

Jump to the latest result

arr.sort()

Math.min()

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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