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The ISA is roughly equivalent to an API. It specifies how to talk to the chip but does not define how it is implemented. Apple has done a lot of custom design o
by Tagbert 5y ago
The ISA is roughly equivalent to an API. It specifies how to talk to the chip but does not define how it is implemented. Apple has done a lot of custom design of their chips to optimize them for use with Mac OS and Mac software. This is not just Apple copying a chip design.