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IME the only thing -march=native does is it makes it impossible to boot your system on an older microarchitecture (which is trivial with Linux otherwise — I rea
by 5e92cb50239222b 5y ago
IME the only thing -march=native does is it makes it impossible to boot your system on an older microarchitecture (which is trivial with Linux otherwise — I really don't understand those who bring their bad Windows habits and do a reinstall when moving between systems).
- taeric 5y agoI mean, it would do that. But, I also have never just moved the hard drive between machines. I've only owned two machines in the last decade. So, not even something I have had a lot of opportunity to do. Back to the point, though, I'm assuming that libc dynamically does most of the optimizations that native enables?