Run results for: async for vs promise.all vs promise.allSettled

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

Benchmark engine: Benchmark.js

asyncFor

382K/s

promiseAllSettled

112K/s

asyncPromiseAll

103K/s

View exact numbers

Test name	Executions per second
✓ asyncFor	381,706 Ops/sec
promiseAllSettled	111,585 Ops/sec
asyncPromiseAll	103,135 Ops/sec

Script Preparation code:

async function asyncFor(){
    for (const x of [1, 2, 3]) {
        await new Promise(resolve => resolve(x > 0));
    }
}

async function asyncPromiseAll() {
    await Promise.all([1, 2, 3].map(x =>
        new Promise(resolve => resolve(x > 0))
    ));
}

async function asyncPromiseAllSettled() {
    await Promise.allSettled([1, 2, 3].map(x =>
        new Promise(resolve => resolve(x > 0))
    ));
}

Tests:

asyncFor
asyncFor()
asyncPromiseAll
asyncPromiseAll()
promiseAllSettled
asyncPromiseAllSettled()