->Memory Hierarchy having a say in design/implementation of programming models/systemsoftware/compilers.
for eg in SmartMemories if cache is reconfigured from 2-way to direct mapped , passing
runtime options to the compiler for it to optimise the program more efficiently.
Basically exposing some key Arch features which have a significant impact on performance,
okay we sacrifice a lil on abstraction, but if the Arch is already implemented, might as well exploit it.
* OS and compilers are normally highly optimised for their specific Architectures.
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