https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91030
--- Comment #31 from David Edelsohn <dje at gcc dot gnu.org> --- What is the PAGESIZE on the Ryzen system? On the POWER systems, the PAGESIZE is 64K. Maybe the optimal buffer size (write size) allows the filesystem to perform double-buffering at the PAGESIZE.
