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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
syncFor	12798734.0 Ops/sec
asyncPromiseAll	288129.1 Ops/sec
asyncFor	1681272.8 Ops/sec

Script Preparation code:

function syncFor() {
    let y = 0;
    for (const x of [1, 2, 3, 4, 5, 6, 7, 8, 9]) {
        y += x;
    }
}

async function asyncFor() {
    let y = 0;
    for (const x of [1, 2, 3, 4, 5, 6, 7, 8, 9]) {
        await new Promise((resolve) => {
            y += x;
            resolve(y);
        });
    }
}

async function asyncPromiseAll() {
  let y = 0;
  await Promise.all([1, 2, 3, 4, 5, 6, 7, 8, 9].map(x =>
    new Promise((resolve) => {
      y += x;
      resolve(y);
    }),
  ));
}

Tests:

syncFor
syncFor()
asyncPromiseAll
asyncPromiseAll()
asyncFor
asyncFor()