Run results for: array copy set vs block vs per item

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
set	39651528.0 Ops/sec
block	25414050.0 Ops/sec
per item	94770600.0 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

AخA
 
<!--your preparation HTML code goes here-->

Script Preparation code:

const arr1 = new Float64Array([1,2,3,4,5,6,7,8,9]);
const arr2 = new Float64Array([1,2,3,4,5,6,7,8,9]);

 
const arr1 = new Float64Array([1,2,3,4,5,6,7,8,9]);const arr2 = new Float64Array([1,2,3,4,5,6,7,8,9]);

Tests:

set
arr1.set(arr2)
arr1.set(arr2)

block

[
      arr1[0], arr1[1], arr1[2],
      arr1[3], arr1[4], arr1[5],
      arr1[6], arr1[7], arr1[8],
    ]=arr2

 
[      arr1[0], arr1[1], arr1[2],      arr1[3], arr1[4], arr1[5],      arr1[6], arr1[7], arr1[8],    ]=arr2

per item

arr1[0] = arr2[0];
arr1[1] = arr2[1];
arr1[2] = arr2[2];
arr1[3] = arr2[3];
arr1[4] = arr2[4];
arr1[5] = arr2[5];
arr1[6] = arr2[6];
arr1[7] = arr2[7];
arr1[8] = arr2[8];

 
arr1[0] = arr2[0];arr1[1] = arr2[1];arr1[2] = arr2[2];arr1[3] = arr2[3];arr1[4] = arr2[4];arr1[5] = arr2[5];arr1[6] = arr2[6];arr1[7] = arr2[7];arr1[8] = arr2[8];