Run results for: Array vs Uint32Array (TypedArray) (part 2)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

TypedArray.reverse()

140K/s

Array.reverse()

40K/s

TypedArray.sort()

37K/s

TypedArray.map()

2K/s

Array.map()

2K/s

TypedArray[i] (sequential)

732/s

Array[i] (sequential)

698/s

Array.sort()

425/s

TypedArray[i] (random)

234/s

Array[i] (random)

233/s

View exact numbers

Script Preparation code:

var arr32 = new Uint32Array(16384)
crypto.getRandomValues(arr32)
var array = Array.from(arr32)

Tests:

Array.reverse()
array.reverse()
TypedArray.reverse()
arr32.reverse()
Array.toSorted()
array.toSorted()
TypedArray.toSorted()
arr32.toSorted()
Array.sort()
array.sort(); array.reverse(); // fast "un-sort"
TypedArray.sort()
arr32.sort(); arr32.reverse(); // fast "un-sort"
Array[i] (sequential)
for (let i = 0; i < 16384; i++) array[i]++
TypedArray[i] (sequential)
for (let i = 0; i < 16384; i++) arr32[i]++
Array[i] (random)
for(let i = 0; i < 16384; i++) array[i * 11003 % 16384] = array[i * 12011 % 16384] + array[i * 13001 % 16384]
TypedArray[i] (random)
for(let i = 0; i < 16384; i++) arr32[i * 11003 % 16384] = arr32[i * 12011 % 16384] + arr32[i * 13001 % 16384]