docs(blog): Leaving Rosetta behind — FEX x86 emulation - #28
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SukkaW
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Jun 22, 2026
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Looks good in general at the galance, but not interested and appealing. May wanna chose a few different wording and re-arrange paragraphs/sentences to "sounds more human" and a bit informal, actually make it a fun to read.
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In "Because ArcBox owns the guest (our kernel, our init, our VirtioFS share)", change the "arcbox" to "we" |
lucas77778
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Jun 22, 2026
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New engineering blog post: how ArcBox replaced Rosetta with FEX for
linux/amd64containers on Apple Silicon.What's here
content/blog/leaving-rosetta-behind.mdx— the post. Arc: started on Virtualization.framework (Rosetta for free) → moved to our own Hypervisor.framework VMM for I/O-datapath control → Rosetta is gated to VZ, so it became the blocker (with OrbStack's creator as the foil) → evaluated box64/QEMU/FEX → made FEX a trueqemu-user-staticdrop-in → benchmarks (M4 Pro) + honest gaps (software TSO today, Govgetrandomcaveat).pnpm-workspace.yaml— reject all dependency build scripts (unblockspnpm dev/install on the build-scripts gate).Notes
published: true,category: "Engineering",author: ["peron"].7z/kernel commands, machine config) is in footnotes; no links to personal repos.pnpm prepare; previewed locally.