Run results for: read write ArrayBuffer: DataView vs Float64Array.set

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36

Browser: Chrome 101

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
DataView	67.3 Ops/sec
Float64Array	66.6 Ops/sec

Script Preparation code:

var size = 50000;
var buf = new ArrayBuffer(size*8);
var view = new DataView(buf);
var data = new Float64Array(size);

​x
 
var size = 50000;var buf = new ArrayBuffer(size*8);var view = new DataView(buf);var data = new Float64Array(size);​​

Tests:

for (let i=0; i < size; i++) {
	view.setFloat64(i*8, 992.2258);
}
for (let i=0; i < size; i++) {
	const res = view.getFloat64(i*8);
}

 
for (let i=0; i < size; i++) {    view.setFloat64(i*8, 992.2258);}for (let i=0; i < size; i++) {    const res = view.getFloat64(i*8);}

for (let i=0; i < size; i++) {
	data[i] =  992.2258;
}
for (let i=0; i < size; i++) {
	const res = data[i];
}

 
for (let i=0; i < size; i++) {    data[i] =  992.2258;}for (let i=0; i < size; i++) {    const res = data[i];}