Is ACE (C++ library) still used for high performance computing?

Question

Being interested in high frequency trading/High performance computing I came across \'ACE\':

http://www.cs.wustl.edu/~schmidt/ACE-overview.html

However, I notice

Answer 1

I know it is a old post but for those who want to know ACE is still in development :

https://github.com/DOCGroup/ATCD/tree/master/ACE