Talk:Espresso (processor)

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Removal of "Category:PowerPC implementations"
As far as I know, all implementations of the PowerPC/Power ISA instruction sets are single-chip microprocessors, so having those two categories is redundant. @CoolingGibbon, is that your rationale for removing that category?

(If one only considers single-chip microprocessors to be "microprocessors", then POWER1 and POWER2 would be non-microprocessor implementations of the IBM POWER architecture instruction set; neither of them implement PowerPC, as they don't include the stuff added to POWER when PowerPC was created. I don't require that a microprocessor be single-chip, however; I wouldn't be inclined to count a bit-sliced processor as a microprocessor, but I'd count a processor without floating-point support, with an add-on FPU, as a microprocessor, as well as microprocessors with off-chip caches, and that'd put POWER1 and POWER2 into the "microprocessor" category.

Note also that the RISC Single Chip isn't a PowerPC implememtation, it's a POWER implememtnation; the PowerPC 601 added most PowerPC implementations to the RISC Single Chip design.) Guy Harris (talk) 23:00, 31 December 2022 (UTC)


 * Hi there, you're correct. I came across multiple categories such as Category:PowerPC implementations and Category:PowerPC-based products which in my opinion are completely redundant. Hence I've transferred the arrticles to Category:PowerPC microprocessors in line with other ISA categories. Best regards. - CoolingGibbon (talk) 07:32, 1 January 2023 (UTC)