How is Elgg 2x running on php 7 ?

How is Elgg 2x running on php 7 ? Do anyone have a  demo link with a fairly large amount of concurrent users?
http://andigutmans.com/2015/12/03/the-web-is-about-to-get-2x-faster-engineering-heroism-at-its-best/
Is Elgg 2x code actually taking benefit of php7? Thanks.

Feedback and Planning

Feedback and Planning

Discussions about the past, present, and future of Elgg and this community site.