How does this compare to Apple&#x27;s GCD [1]?<p>1 - <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Grand_Central_Dispatch" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Grand_Central_Dispatch</a>