code: function computeInner(iterations) {
      var dummy = 0;
      for (var n = 0; n < iterations; n++) {
        // We don't have to worry about this being entirely removed (yet), as
        // JITs don't seem to consider now() as not having side-effects.
        dummy += wtf.now();
      }
      return dummy;
    }
docs: This is in a function so that v8 can JIT it easier. We then run it a few times to try to factor out the JIT time.