Benchmark: async for vs promise.all2

Script Preparation code:

async function asyncFor(){
    for (const x of [1, 2, 3]) {
        await new Promise(resolve => setTimeout(resolve(x > 0), 100));
    }
}

async function asyncPromiseAll() {
    await Promise.all([1, 2, 3].map(x =>
        new Promise(resolve => setTimeout(resolve(x > 0), 100))
    ));
}

Tests:

asyncFor
asyncFor()
asyncPromiseAll
asyncPromiseAll()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
asyncFor
asyncPromiseAll

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser/OS: Chrome 108 on Windows

View result in a separate tab

Test name	Executions per second
asyncFor	28403.0 Ops/sec
asyncPromiseAll	9846.3 Ops/sec

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async for vs promise.all2 (version: 0)

Comparing performance of: asyncFor vs asyncPromiseAll

Created: 4 years ago by: Guest

Jump to the latest result

asyncFor

asyncPromiseAll

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A