Benchmark: Array Map alternatives

Tests:

For loop bracket notation
var array1 = [1, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16], map1 = [], arrayLength = array1.length; for (var i = 0; i < arrayLength; i++) { map1[i] = array1[i] * 2; }
Map new notation
var array1 = [1, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16]; var map1 = array1.map(x => x * 2);
Map old notation
var array1 = [1, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16]; var map1 = array1.map(function (x) {return x * 2});
For loop push
var array1 = [1, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16, 4, 9, 16], map1 = [], arrayLength = array1.length; for (var i = 0; i < arrayLength; i++) { map1.push(array1[i] * 2); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
For loop bracket notation
Map new notation
Map old notation
For loop push

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2024 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser/OS: Chrome 63 on Windows

View result in a separate tab

Test name	Executions per second
For loop bracket notation	776118.9 Ops/sec
Map new notation	1597519.0 Ops/sec
Map old notation	1587810.0 Ops/sec
For loop push	718434.8 Ops/sec

Array Map alternatives (version: 0)

Comparing performance of: For loop bracket notation vs Map new notation vs Map old notation vs For loop push

Created: 6 years ago by: Guest

Jump to the latest result

For loop bracket notation

Map new notation

Map old notation

For loop push

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A