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> All these CPUs will be Arm compatible At base ISA level perhaps. But there will also be extensions for AI, DSP, media encoding, etc which will be incompatibl
by m0zg 5y ago
> All these CPUs will be Arm compatible
At base ISA level perhaps. But there will also be extensions for AI, DSP, media encoding, etc which will be incompatible. You nominally wouldn't have to use those, but the CPU will be nothing special without all that. This problem is already quite pervasive in the ARM ecosystem, and it'll get worse over time. There's no way around this. In a power-sensitive environment the only realistic way out currently is specialized co-processing and ISA extensions.
- klelatti 5y agoYou’re getting completely confused between ISA extensions (very rare) and other functionality on the SoC such as GPUs which are obviously universal and very diverse.