Function depth

benchmark/timers/immediate.js:33–44

(N)

// setImmediate tail recursion, 0 arguments
function depth(N) {
  let n = 0;
  bench.start();
  setImmediate(cb);
  function cb() {
    n++;
    if (n === N)
      bench.end(n);
    else
      setImmediate(cb);
  }
}

// setImmediate tail recursion, 1 argument
function depth1(N) {