https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51119
--- Comment #31 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- From comment 27 > > I agree that inline should be faster, if the compiler is reasonably smart, > > if the matrix dimensions are known at compile time (i.e. should be able to > > generate the same kernel). I haven't checked yet. > > If the compiler turns out not to be reasonably smart, file a bug report :-) PR68600.