As said in bugzilla (1) real(16) is an order of magnitude slower than real(8) for the codes I have tested (a long time ago). So its real utility is quite low.
(2) I think your time would be better used by dealing with your assigned PRs. But now the wasted time is done, I don’t have further objection. Dominique Note: Using -fdefault-* for "production" is a very bad idea.
