Run results for: TypedArray set() vs setter performance

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
TypedArray set()	123.0 Ops/sec
TypedArray setter	20042.5 Ops/sec

Script Preparation code:

var typedArray = new Uint8Array(100000).fill(0);

​x
 
var typedArray = new Uint8Array(100000).fill(0);​

Tests:

TypedArray set()
for (let i=0; i<typedArray.length; i++) { typedArray.set(typedArray[i] + 1, i); }
for (let i=0; i<typedArray.length; i++) {
typedArray.set(typedArray[i] + 1, i);
}
TypedArray setter
for (let i=0; i<typedArray.length; i++) { typedArray[i] = typedArray[i] + 1; }
for (let i=0; i<typedArray.length; i++) {
typedArray[i] = typedArray[i] + 1;
}