Efraim Flashner schreef op do 31-03-2022 om 15:18 [+0300]: > > Arun Isaac schreef op do 31-03-2022 om 12:58 [+0530]: > > > +                       (("-march=native") "")) > > > > This is also wrong for x86 systems because it makes the build non- > > reproducible.  Also, has upstream been informed about some of the > > compiler flags being architecture-specific? > > I'm pretty sure upstream is aware of it, and the -mcx16 flag. That > whole phase doesn't need to be non-x86_64 only, upstream prefers it > that way to get fater results wfmash could be written to detect CPU features at runtime and there is also --tune. Also, upstream preferring march=native does not make the build reproducible. > but IMO it would be fine to move it into a snippet. It does not have to be in a snippet, it just needs to be reproducible (so no march=native, whether on x86 or not). Upstream seems to be aware of the non-x86 (https://github.com/ekg/wfmash/issues/125) but they do not seem to be aware of the problems with march=native. Greetings, Maxime