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The stingray engine seems to be data-oriented using the Entity Component Systems pattern. Their blog is an excellent read - http://bitsquid.blogspot.in/. This is the first post in a really good series about data oriented entity systems - http://bitsquid.blogspot.in/2014/08/building-data-oriented-e...

Not really. Although I heard Mike Acton was asked to fix Ogre3D Node class, and it resulted in a 5x speedup (in a video linked on HN).

I don't know what Ogre3D 2.0 will look like, I did not try the RC, I don't know if it's usable without a scenemanager or scenenodes. I wish it was.

The ones I know of are proprietary and used on AAA console games.

Do any of the companies have blogs or GDC talks where they discuss bits of it?

This talk from Naughty Dog was really good. http://www.gdcvault.com/play/1022186/Parallelizing-the-Naugh...

tldw: High performance C++ is converging on something that strongly resembles Erlang. Multiprocessing and issues with memory coherency between cores is driving this.