I guess this is a real thing? https://www.neowin.net/news/intel-w...sed-64-bit-only-cpu-architecture-called-x86s/ I guess so... here's the white paper on Intel's site ...
RISC-V is an open-source Instruction Set Architecture (ISA) that rapidly transforms the CPU design and development landscape. Unlike proprietary ISAs, RISC-V allows free access to architecture ...
Discussions about CPUs often frame one instruction set architecture (ISA) against another—x86 vs. Arm, Arm vs. RISC-V, and so on. However, it’s common to use multiple CPU architectures in a single ...