Everyone wants the Linux distribution they are using to be fast. This is practically a content-free statement, of course: who would want their distro to be slow? But at the same time, what does it mean for your distribution to be fast? For example, Ubuntu 21.10 switched the default compression for packages to zstd, which […]
It seems multiple Linux distributions are considering to update their x86-64 baseline architecture. This could improve performance, at the cost of hardware compatibility.
It seems multiple Linux distributions are considering to update their x86-64 baseline architecture. This could improve performance, at the cost of hardware compatibility.
https://discourse.nixos.org/t/pre-rfc-gradual-transition-of-nixos-x86-64-baseline-to-x86-64-v3-with-an-intermediate-step-to-x86-64-v2/
Gentoo with
-march=native -mtune=nativeon x86(-64) or-mcpu=nativeeverywhere elseDoesn’t march=native imply mtune=native ?
No. march is avaliable instructions and mtune is timings. mcpu does, but it is not used on x86 for some reason
march=native does imply mtune=native, at least on gcc