Run results for: async for vs promise.all

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36 OPR/82.0.4227.33

Browser: Opera 82

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
asyncFor	515885.2 Ops/sec
asyncPromiseAll	217254.0 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))
    ));
}

Tests:

asyncFor
asyncFor()
asyncPromiseAll
asyncPromiseAll()