3 ms·
Apple has deep pockets, but using an existing ISA gives you a lot of OSS porting and optimization work for free. They could just use RISC-V if they wanted to an
by justahuman74 5y ago
Apple has deep pockets, but using an existing ISA gives you a lot of OSS porting and optimization work for free. They could just use RISC-V if they wanted to and still have all the flexibility they want.
- gumby 5y agoGiven the amount of software they write from scratch, and that they have their own tool chains, the actual ISA is below Apple’s noise floor. I’m sure they spend more on optimizing for the quirks (cache size, instruction timing, etc) of each generation of chip.