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Not much is left of the great IBM, but their Z architecture is still superior when it comes to reliability at scale. In fact, "what happened to IBM?", they wer

Not much is left of the great IBM, but their Z architecture is still superior when it comes to reliability at scale. In fact, "what happened to IBM?", they were in the news recently: https://wccftech.com/ibm-worlds-first-dual-architecture-processor-dual-isa-core-natively-executes-z-arm-software/ https://wccftech.com/ibm-worlds-first-dual-architecture-proc... Creating the world's first dual instruction set CPU.

guenthert 21d ago
> Creating the world's first dual instruction set CPU. World's first? What about the VIA C3 (or earlier NEC V20)? I'm sure there are more / earlier ones. https://en.wikipedia.org/wiki/Alternate_Instruction_Set https://en.wikipedia.org/wiki/Alternate_Instruction_Set
- INTPenis 21d ago
  That's not the same thing, it's more like a hidden feature than the ISA of an entirely different CPU.
- Angostura 21d ago
  There was also the semi-mythical PowerPC 615 that was meant to have both PowerPC and x86 instruction sets. W