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Pemalite said:

Even Anandtech's statement mirrored my own sentiment.
That rapid packed math will not be a *thing* for a very long time as there isn't enough industry support for it.

It will be interesting to see how Vega ages though, especially when Rapid Packed Math gains more industry support.

My point was is that you don't sell promises about your product no matter how far away they are in the future even if it's just a day away from launch! (It is unnacceptable If you hypothetically have to wait for a day if you want to see current games and benchmarks patched to use rapid packed math or wait for a game to release to use this feature.) 

Gamers want to see a finished product on LAUNCH DAY, not an unfinished product ... (Your customers don't want to deal with your crap about your bets in the future.)

Depending on how you define 'very long time', I give it about a year before the feature takes off since the biggest AAA western developers already have DX12 backends ... (AMD's outlook for their graphics chip should vastly improve once devs get on board with transitioning to the new shader model 6 bytecode and half precision support.) 

BTW rapid packed math is more than just double rate FP16, it's also about double rate INT16 data types too which is useful for rendering with deep learning ...