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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Array.reverse()

82K/s

TypedArray.reverse()

78K/s

TypedArray[i] (sequential)

77K/s

Array[i] (sequential)

67K/s

Array[i] (random)

26K/s

TypedArray[i] (random)

26K/s

TypedArray.sort()

10K/s

TypedArray.toSorted()

10K/s

Array.sort()

558/s

Array.toSorted()

273/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]