this post was submitted on 06 Aug 2024
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I didn't say hardware accelerated virtualization on qemu was slow. In fact, it's one of the best performing hypervisors out there. When used as an emulator, however, its performance leaves something to be desired.
Even as a emulator it is very solid. Name one emulator that is faster. (Rosetta is a translator not an emulator)
...the difference being? JIT transpilers still count as emulators.
They really don't. A emulator is doing all of the hardware in software. A translator is just converting instructions.
By that definition, qemu-[architecture] is a translator. qemu-system-[architecture] is an emulator.
And it's still a worse translator than Rosetta. Because Rosetta cheats.