Atomics.pause()

Atomics.pause()
Atomics.pause(durationHint)

// 
const sab = new SharedArrayBuffer(1024);
const i32 = new Int32Array(sab);

// : CPU 
let spin = 0;
do {
  if (Atomics.compareExchange(i32, 0, 0, 1) === 0) {
    break;
  }
  Atomics.pause();
  spin++;
} while (spin < 10);

// 
// 
// 
Atomics.wait(i32, 0, 1);

// 
for (let hint = 1; hint < 1000; hint *= 2) {
  Atomics.pause(hint);
}

// 
for (let hint = 1; hint < 100; hint++) {
  Atomics.pause(hint);
}