Benchmark: Array.sort vs Math.min+Math.max123

Script Preparation code:

var v1 = 12345678.12345;
var v2 = 23456789.01234;
var v3 = 54325321.01234;
var v4 = 39487599.01234;
var v5 = 50239093.01234;
var v6 = 65248528.01234;


var arr = [v2, v1,v6,v4,v3,v5]

Tests:

Array.sort
var a = arr.sort(); var min = a[0]; var max = a[1];
Math min and max
var min = Math.min(v2, v1); var max = Math.max(v2, v1);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.sort
Math min and max

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided JSON represents a JavaScript microbenchmark test case, specifically comparing the performance of two approaches to find the minimum and maximum values in an array: `Array.sort()` vs `Math.min` + `Math.max`.

**Options Compared**

Two options are compared:

1. **Array.sort()**: This method sorts the array in ascending order and returns a new sorted array. To get the minimum and maximum values, you need to access the first and last elements of the sorted array (`a[0]` and `a[1]`, respectively).
2. **Math.min** + **Math.max**: This approach uses built-in functions to find the minimum and maximum values in a single step.

**Pros and Cons**

**Array.sort()**:

Pros:

* Can be used to sort an array in ascending or descending order.
* Allows for more flexible comparison logic (e.g., comparing objects with nested properties).

Cons:

* Requires additional memory access to retrieve the first and last elements of the sorted array.
* May have slower performance compared to `Math.min` + `Math.max`, especially for large arrays.

**Math.min** + **Math.max**:

Pros:

* Fastest approach, as it only requires a single function call.
* Most straightforward to implement and understand.

Cons:

* Only suitable for finding the minimum and maximum values in an array; not useful for sorting or comparing objects.

**Library Used**

In this benchmark, none of the libraries are explicitly mentioned. However, some JavaScript engines (like V8) provide built-in functions like `Array.prototype.sort()` and `Math.min`/`Math.max`. These implementations are part of the engine's core library and do not require external dependencies.

**Special JS Feature or Syntax**

None are used in this benchmark.

**Other Alternatives**

If you need to compare values in an array, other approaches might be considered:

* Using a third-party sorting library like Lodash (`_ _.sortBy`) or Array.prototype.sort() with a custom comparison function.
* Utilizing the `Array.prototype.map()` and `Array.prototype.reduce()` methods to find the minimum and maximum values.
* Employing a more advanced algorithm, such as the "quickselect" method, for finding the k-th smallest element in an array.

Keep in mind that these alternatives might have varying performance characteristics and may not be suitable for every use case.

Related benchmarks:

Array.sort vs Math.min+Math.max123 (version: 0)

Comparing performance of: Array.sort vs Math min and max

Created: 4 years ago by: Guest

Jump to the latest result

Array.sort

Math min and max

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):