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array vs int32array3
(version: 0)
Benchmark.js
.
Comparing performance of:
array vs int32array
Created:
5 years ago
by:
Guest
Go to the latest result
Tests:
array
const array = []; for(let i = 0; i < 100; i++){ array.push(i); }
int32array
const array = new Int32Array(100); for(let i = 0; i < 100; i++){ array[i] = i; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
array
int32array
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
7 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0
Browser/OS:
Firefox 147 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=624519" width="100%" height="500px"></iframe>
int32array
1.9M/s
array
1.2M/s
View exact numbers
Test name
Executions per second
✓
int32array
1,886,524 Ops/sec
array
1,169,752 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **Benchmark Purpose** The provided benchmark is designed to compare the performance of two approaches: using an ordinary array and using the `Int32Array` data type in JavaScript. The test cases aim to push a large amount of data (100 integers) onto each data structure, simulating a scenario where many elements need to be added. **Comparison Options** The benchmark compares two options: 1. **Ordinary Array**: Using an array to store and manipulate integers. 2. **Int32Array**: A typed array that stores 32-bit integers in row-major format. **Pros and Cons of Each Approach:** * Ordinary Array: * Pros: * Easy to use and understand for most developers. * Supports various methods like `push()`, `shift()`, etc. for manipulating arrays. * Can be used with other data types, not just numbers. * Cons: * Performance can be slower due to dynamic typing and overhead from JavaScript's garbage collection mechanism. * Int32Array: * Pros: * Provides better performance compared to ordinary arrays since it uses a typed array, which reduces overhead from JavaScript's dynamic typing. * Uses less memory for storing integers, making it more efficient for large datasets. **Other Considerations** When using `Int32Array`, keep in mind: * It is limited to storing 32-bit integers and does not support other data types like floats or strings. * It requires creating an instance of the array with a specific size before using it, unlike ordinary arrays which can grow dynamically. **Library Usage (None)** There are no libraries explicitly mentioned in this benchmark. However, if you're interested in exploring JavaScript libraries for performance optimization, some popular ones include: * V8: The primary JavaScript engine used by Google Chrome. * SpiderMonkey: The JavaScript engine used by Mozilla Firefox. * JScript: The JavaScript engine used by Microsoft Edge and Internet Explorer. **Special JS Feature/Syntax (None)** This benchmark does not use any special JavaScript features or syntax. However, if you're interested in exploring advanced topics like: * Promises and async/await for handling asynchronous code * Closures and higher-order functions for function manipulation * Arrow functions and template literals for concise coding
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