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Given that all x86 processors spend non-trivial energy translating the x86 ISA to an internal RISC format, it would be a competitive advantage to expose the "ra
by hythloday 14y ago
Given that all x86 processors spend non-trivial energy translating the x86 ISA to an internal RISC format, it would be a competitive advantage to expose the "raw" internal ISA, which game developers would target if it could buy them 2% more performance. Standardization does not really work for games in the same way that it works in most industries.
- CrLf 14y agoBut it's that translation that makes x86 so successfull. If you remove that layer, you also lock yourself in to whatever internal instruction set is used. Even this being a console, it's still useful to be able to change the internal ISA in a future revision, without breaking compatibility.