Benchmark: Array VS. TypedArray Sort 2

Script Preparation code:

var length = 100000;
var a= new Array(length);
var ta = new Int32Array(length);
var a2= new Array(length);
var ta2 = new Int32Array(length);
for(let i=0;i<length;i++){
  let num = Math.floor(Math.random()*100000);
  a[i]=num;
  ta[i]=num;
  a2[i]=num;
  ta2[i]=num;
}

Tests:

Array Sort
a.sort();
TypedArray Sort
ta.sort();
Array Sort Custom Comparer
a2.sort((a,b)=>a-b);
TypedArray Sort Custom Comparer
ta2.sort((a,b)=>a-b);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array Sort
TypedArray Sort
Array Sort Custom Comparer
TypedArray Sort Custom Comparer

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0

Browser/OS: Chrome 129 on Windows

View result in a separate tab

Test name	Executions per second
Array Sort	707.3 Ops/sec
TypedArray Sort	17404.3 Ops/sec
Array Sort Custom Comparer	957.1 Ops/sec
TypedArray Sort Custom Comparer	166.9 Ops/sec

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided benchmark measures the performance of three different sorting algorithms on arrays and TypedArrays in JavaScript:

1.  **Native Array Sort**: Uses the built-in `sort()` method on an array (`a`).
2.  **TypedArray Sort**: Uses the built-in `sort()` method on a TypedArray (`ta`).
3.  **Custom Sort with Callback Function**: Uses the `sort()` method with a custom comparator function that compares two elements using their difference (`a-b`).

**Options Compared**

The benchmark compares the performance of these three sorting algorithms:

*   **Native Array Sort** (using `array.sort()`)
*   **TypedArray Sort** (using `typedArray.sort()`)
*   **Custom Sort with Callback Function** (using `array.sort((a, b) => a - b)`)

These options are compared to determine which one is the fastest.

**Pros and Cons of Each Approach**

1.  **Native Array Sort**:
    *   Pros: Built-in functionality, easy to implement.
    *   Cons: May be slower than optimized implementations or custom sorting algorithms.
2.  **TypedArray Sort**:
    *   Pros: TypedArrays are more efficient in terms of memory usage and access patterns compared to regular arrays. Optimized for performance.
    *   Cons: Limited support for certain features, may not work with all browsers or platforms.
3.  **Custom Sort with Callback Function**:
    *   Pros: Allows for customization of the sorting algorithm based on specific requirements.
    *   Cons: May be slower than optimized implementations or built-in functions.

**Library and Purpose**

No libraries are explicitly mentioned in the benchmark definition, but TypedArrays are a feature introduced by the ECMAScript standard to improve performance in certain situations. They are used as an array-like data structure with additional features such as better memory locality and faster indexing.

**Special JS Features or Syntax**

This benchmark uses the following special JavaScript features:

*   **TypedArray**: Introduced in ECMAScript 5, it provides a way to create arrays optimized for performance.
*   **Custom comparator function**: Used in the custom sort option to compare two elements based on their difference. This is a more advanced feature that allows for customization of the sorting algorithm.

**Other Alternatives**

Other alternatives for sorting arrays and TypedArrays include:

*   Using a sorting library like Lodash or Ramda
*   Implementing a custom sorting algorithm using a different data structure, such as a heap or balanced binary search tree.
*   Using parallel processing techniques to sort large datasets concurrently.

Related benchmarks:

Array VS. TypedArray Sort 2 (version: 2)

Comparing performance of: Array Sort vs TypedArray Sort vs Array Sort Custom Comparer vs TypedArray Sort Custom Comparer

Created: 2 years ago by: Registered User

Jump to the latest result

Array Sort

TypedArray Sort

Array Sort Custom Comparer

TypedArray Sort Custom Comparer

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):