AMD, ARM, Imagination, Samsung alliance publish official shared GPU-CPU blueprints

[Pottsey]

That's only viable for Android applications written in their flavour of Java (which are not going to win any performance awards). Anything needing best performance will be written as a native app, which will only work on the CPU type is was compiled for. Write once run anywhere code is always going to have a performance trade off.

That's what HSA helps towards. It makes various devices more compatible from a programmer's perspective. The goals are

• Removing the CPU / GPU programmability barrier.
• Reducing CPU / GPU communication latency.
• Opening the programming platform to a wider range of applications by enabling existing programming models.
• Creating a basis for the inclusion of additional processing elements beyond the CPU and GPU.

HSA is a unified computing framework.

 

[Ayahuasca]

This just sounds like more guff that looks good on paper but never becomes much in the real world.