Run results for: array vs Float64Array vs Float32Array

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser: Firefox 124

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

array reverse

115K/s

Float64Array i/o

93K/s

Float32Array reverse

88K/s

Float64Array reverse

86K/s

Float32Array i/o

51K/s

array i/o

49K/s

View exact numbers

Test name	Executions per second
✓ array reverse	115,014 Ops/sec
Float64Array i/o	93,331 Ops/sec
Float32Array reverse	87,783 Ops/sec
Float64Array reverse	85,669 Ops/sec
Float32Array i/o	51,466 Ops/sec
array i/o	48,796 Ops/sec

Script Preparation code:

var a = [...Array(10000)].map(_ => Math.random());
var ta = (new Float64Array(10000)).map(_ => Math.random());
var tb = (new Float32Array(10000)).map(_ => Math.random());

Tests:

array reverse
a.reverse();
Float64Array reverse
ta.reverse();
array i/o
for (let i = 0; i < 10000; ++i) a[i] = a[i] + 1;
Float64Array i/o
for (let i = 0; i < 10000; ++i) ta[i] = ta[i] + 1;
Float32Array reverse
tb.reverse();
Float32Array i/o
for (let i = 0; i < 10000; ++i) tb[i] = tb[i] + 1;