With default build settings it actually might be, because Zig's release mode builds with the equivalent of `-march=native` by default ;)
(disclaimer: not sure if that's actually still the case, last I checked in detail was probably 2 years ago).
Also Zig always builds the entire project as a single compilation unit, which allows more optimization options because the compiler sees all function bodies. The closest equivalent in the C world is LTO, but this is usually also not enabled by default.
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With default build settings it actually might be, because Zig's release mode builds with the equivalent of `-march=native` by default ;)
(disclaimer: not sure if that's actually still the case, last I checked in detail was probably 2 years ago).
Also Zig always builds the entire project as a single compilation unit, which allows more optimization options because the compiler sees all function bodies. The closest equivalent in the C world is LTO, but this is usually also not enabled by default.