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Debian distributes compiled binaries. Thus, they have to either turn processor features on in all their binaries, or off (or distribute two sets of binaries).
by cmeacham98 3y ago
Debian distributes compiled binaries. Thus, they have to either turn processor features on in all their binaries, or off (or distribute two sets of binaries).
- sanxiyn 3y agoDebian does distribute SSE-using binaries (with fallback) on i386 which detects presence of SSE at runtime using CPUID.
- IntelMiner 3y agoYou're thinking of optimizing the code for a specific processor. Run-time codepaths that detect CPU features have existed since MMX and SSE
- pabs3 3y agoThere are options for runtime instruction selection: https://wiki.debian.org/InstructionSelection https://wiki.debian.org/InstructionSelection