But this project isn't using simd-everywhere. I'd like to reproduce the results as documented in the README

Look at the parent dir. I agree it is a bit confusing

Ah! Yup, that works, I can compile the binary. I get an "Illegal instruction" error when I run it but that's probably just because M1 doesn't support some of the NEON instructions. I retract my implicit AI-slop accusations.

Results from M1 Pro (after setting CPU=native in the makefile): https://gist.github.com/DavidBuchanan314/e3cde76e4dab2758ec4...