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kamilner
9 months ago
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Why are Apple Silicon VMs so different?
I'm not sure how OrbStack does it, but it can run a fully x64 Linux using Rosetta with quite good performance.
AkshitGarg
9 months ago
[–]
IIRC that runs a x86_64 userland (using Rosetta) on a arm64 kernel.
kamilner
9 months ago
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Interesting. uname -a reports x86_64, and lscpu also reports x86_64, although perhaps that's just the kernel being patched to lie about the architecture.
saagarjha
9 months ago
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Not the kernel, but yes: the runtime lies about its architecture.
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