Sujet : Re: "undefined behavior"?
De : Keith.S.Thompson+u (at) *nospam* gmail.com (Keith Thompson)
Groupes : comp.lang.cDate : 14. Jun 2024, 01:47:30
Autres entêtes
Organisation : None to speak of
Message-ID : <87cyok5rsd.fsf@nosuchdomain.example.com>
References : 1 2 3 4
User-Agent : Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)
David Brown <
david.brown@hesbynett.no> writes:
[...]
Certainly "-O3" is rarely worth it unless you are also using a
"-march=" flag (such as "-fmarch=native") to tune for a particular
processor and enable stuff like vectorisation. Getting the fastest
code is more of an art than a science!
Typo: it's "-march=native".
-- Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.comvoid Void(void) { Void(); } /* The recursive call of the void */