This kind of benchmark can show off what v8 is capable of (when used with a library that has been carefully tuned for performance)<p>Code is pretty-much copy pasted from .NET Async version with bluebird promises instead of Tasks. Ends up being almost 2 times faster:<p><a href="https:&#x2F;&#x2F;github.com&#x2F;atemerev&#x2F;skynet&#x2F;pull&#x2F;16" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;atemerev&#x2F;skynet&#x2F;pull&#x2F;16</a><p>(Only 50% faster if we return Promise.resolve(num) though)