https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55916
Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Joost.VandeVondele at mat dot ethz | |.ch --- Comment #12 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- (In reply to Jouko Orava from comment #8) > These issues affect probably all versions of gfortran, > I have a patch under testing against trunk that modifies > libgfortran internal xmalloc() and xcalloc() calls, as well > as the intrinsic malloc() calls, to use GNU libc specific > memalign() call. I will attach it as soon as I verify it > works correctly. I'm wondering if you had a working patch at some point. There are other PRs that can only be solved if some alignment better than malloc is used in gfortran. PR64247 and PR68101 that talk about non-reproducible results and slow performance with avx/vector instructions respectively.